Kawasaki disease differential diagnosis: Difference between revisions

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__NOTOC__
__NOTOC__
{{Kawasaki disease}}
{{Kawasaki disease}}
{{CMG}}; {{AE}} {{SH}}
{{CMG}}; {{AE}} {{SH}} {{EG}}


==Overview==
==Overview==
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Different [[rash]]-like conditions can be confused with [[Kawasaki disease]] and are thus included in its differential diagnosis. The various conditions that should be differentiated from [[Kawasaki disease]] include:<ref name="pmid25250996">{{cite journal| author=Hartman-Adams H, Banvard C, Juckett G| title=Impetigo: diagnosis and treatment. | journal=Am Fam Physician | year= 2014 | volume= 90 | issue= 4 | pages= 229-35 | pmid=25250996 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25250996  }} </ref><ref name="pmid27265069">{{cite journal| author=Mehta N, Chen KK, Kroumpouzos G| title=Skin disease in pregnancy: The approach of the obstetric medicine physician. | journal=Clin Dermatol | year= 2016 | volume= 34 | issue= 3 | pages= 320-6 | pmid=27265069 | doi=10.1016/j.clindermatol.2016.02.003 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27265069  }} </ref><ref name="MooreSeward2006">{{cite journal|last1=Moore|first1=Zack S|last2=Seward|first2=Jane F|last3=Lane|first3=J Michael|title=Smallpox|journal=The Lancet|volume=367|issue=9508|year=2006|pages=425–435|issn=01406736|doi=10.1016/S0140-6736(06)68143-9}}</ref><ref name="pmid26612370">{{cite journal| author=Ibrahim F, Khan T, Pujalte GG| title=Bacterial Skin Infections. | journal=Prim Care | year= 2015 | volume= 42 | issue= 4 | pages= 485-99 | pmid=26612370 | doi=10.1016/j.pop.2015.08.001 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26612370  }} </ref><ref name="pmid26566601">{{cite journal| author=Ramoni S, Boneschi V, Cusini M| title=Syphilis as "the great imitator": a case of impetiginoid syphiloderm. | journal=Int J Dermatol | year= 2016 | volume= 55 | issue= 3 | pages= e162-3 | pmid=26566601 | doi=10.1111/ijd.13072 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26566601  }} </ref><ref name="pmid25855021">{{cite journal| author=Kimura U, Yokoyama K, Hiruma M, Kano R, Takamori K, Suga Y| title=Tinea faciei caused by Trichophyton mentagrophytes (molecular type Arthroderma benhamiae ) mimics impetigo : a case report and literature review of cases in Japan. | journal=Med Mycol J | year= 2015 | volume= 56 | issue= 1 | pages= E1-5 | pmid=25855021 | doi=10.3314/mmj.56.E1 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25855021  }} </ref><ref name="pmid23176858">{{cite journal| author=CEDEF| title=[Item 87--Mucocutaneous bacterial infections]. | journal=Ann Dermatol Venereol | year= 2012 | volume= 139 | issue= 11 Suppl | pages= A32-9 | pmid=23176858 | doi=10.1016/j.annder.2012.01.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23176858  }} </ref>
Different [[rash]]-like conditions can be confused with [[Kawasaki disease]] and are thus included in its differential diagnosis. The various conditions that should be differentiated from [[Kawasaki disease]] include:<ref name="pmid25250996">{{cite journal| author=Hartman-Adams H, Banvard C, Juckett G| title=Impetigo: diagnosis and treatment. | journal=Am Fam Physician | year= 2014 | volume= 90 | issue= 4 | pages= 229-35 | pmid=25250996 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25250996  }} </ref><ref name="pmid27265069">{{cite journal| author=Mehta N, Chen KK, Kroumpouzos G| title=Skin disease in pregnancy: The approach of the obstetric medicine physician. | journal=Clin Dermatol | year= 2016 | volume= 34 | issue= 3 | pages= 320-6 | pmid=27265069 | doi=10.1016/j.clindermatol.2016.02.003 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27265069  }} </ref><ref name="MooreSeward2006">{{cite journal|last1=Moore|first1=Zack S|last2=Seward|first2=Jane F|last3=Lane|first3=J Michael|title=Smallpox|journal=The Lancet|volume=367|issue=9508|year=2006|pages=425–435|issn=01406736|doi=10.1016/S0140-6736(06)68143-9}}</ref><ref name="pmid26612370">{{cite journal| author=Ibrahim F, Khan T, Pujalte GG| title=Bacterial Skin Infections. | journal=Prim Care | year= 2015 | volume= 42 | issue= 4 | pages= 485-99 | pmid=26612370 | doi=10.1016/j.pop.2015.08.001 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26612370  }} </ref><ref name="pmid26566601">{{cite journal| author=Ramoni S, Boneschi V, Cusini M| title=Syphilis as "the great imitator": a case of impetiginoid syphiloderm. | journal=Int J Dermatol | year= 2016 | volume= 55 | issue= 3 | pages= e162-3 | pmid=26566601 | doi=10.1111/ijd.13072 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26566601  }} </ref><ref name="pmid25855021">{{cite journal| author=Kimura U, Yokoyama K, Hiruma M, Kano R, Takamori K, Suga Y| title=Tinea faciei caused by Trichophyton mentagrophytes (molecular type Arthroderma benhamiae ) mimics impetigo : a case report and literature review of cases in Japan. | journal=Med Mycol J | year= 2015 | volume= 56 | issue= 1 | pages= E1-5 | pmid=25855021 | doi=10.3314/mmj.56.E1 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25855021  }} </ref><ref name="pmid23176858">{{cite journal| author=CEDEF| title=[Item 87--Mucocutaneous bacterial infections]. | journal=Ann Dermatol Venereol | year= 2012 | volume= 139 | issue= 11 Suppl | pages= A32-9 | pmid=23176858 | doi=10.1016/j.annder.2012.01.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23176858  }} </ref>


{| class="wikitable"
<span style="font-size:85%">'''Abbreviations:'''
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Disease}}
ABG= [[Arterial blood gas]], ANA= [[Antinuclear antibody]], ANP= [[Atrial natriuretic peptide]], ASO= [[Antistreptolysin O|Antistreptolysin O antibody]], BNP= [[Brain natriuretic peptide]], CBC= [[Complete blood count]], COPD= [[Chronic obstructive pulmonary disease]], CRP= [[C-reactive protein]], CT= [[Computed tomography]], CXR= [[Chest X-ray]], DVT= [[Deep vein thrombosis]], ESR= [[Erythrocyte sedimentation rate]], HRCT= [[High Resolution CT]], IgE= [[Immunoglobulin E]], LDH= [[Lactate dehydrogenase]], PCWP= [[Pulmonary capillary wedge pressure]], PCR= [[Polymerase chain reaction]], PFT= [[Pulmonary function test]].</span>
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Features}}
<small>
{| style="border: 0px; font-size: 90%; margin: 3px;" align="center"
! colspan="3" rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Diseases
| colspan="8" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations'''
! colspan="9" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Para-clinical findings
| colspan="1" rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Gold standard'''
! rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Kawasaki disease]]
| colspan="5" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Symptoms'''
|Commonly presents with high and persistent [[fever]], red [[mucous membranes]] in mouth, "[[strawberry tongue]]", [[swollen lymph nodes]] and [[skin rash]] in early disease, with peeling off of the [[skin]] of the [[hands]], [[feet]] and [[genital area]].
! colspan="3" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" | Physical examination
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Impetigo]] 
! colspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Lab Findings
|It commonly presents with pimple-like lesions surrounded by [[erythematous]] [[skin]]. Lesions are [[pustules]], filled with [[pus]], which then break down over 4-6 days and form a thick crust. Impetigo is often associated with insect bites, cuts, and other forms of [[trauma]] to the [[skin]].
! colspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Histopathology
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Insect bite]]s
! style="background:#4479BA; color: #FFFFFF;" align="center" |Headache
|The insect injects [[formic acid]], which can cause an immediate [[skin]] reaction often resulting in a [[rash]] and swelling in the injured area with the formation of [[vesicles]].
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Fever
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! style="background:#4479BA; color: #FFFFFF;" align="center" |Arthralgia
! style="background:#4479BA; color: #FFFFFF;" align="center" |Claudication
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bruit
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |HTN
! style="background:#4479BA; color: #FFFFFF;" align="center" |Focal neurological disorder
! style="background:#4479BA; color: #FFFFFF;" align="center" |Biomarker
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |ESR
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
! style="background:#4479BA; color: #FFFFFF;" align="center" |Angiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ultrasound/ Echocardiography
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Measles]]  
! rowspan="18" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Medium-Vessel Vasculitis
|Commonly presents with high [[fever]], [[coryza]] and [[conjunctivitis]], with observation of [[oral mucosa|oral mucosal]] lesions ([[Koplik's spots]]), followed by widespread [[skin rash]].
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Polyarteritis nodosa]]<ref name="pmid25770638">{{cite journal| author=Howard T, Ahmad K, Swanson JA, Misra S| title=Polyarteritis nodosa. | journal=Tech Vasc Interv Radiol | year= 2014 | volume= 17 | issue= 4 | pages= 247-51 | pmid=25770638 | doi=10.1053/j.tvir.2014.11.005 | pmc=4363102 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25770638  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[LAMP2|LAMP-2 protein autoantibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normochromic anemia]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],  
[[ALT]] or [[AST]], [[Proteinuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal regions of [[infarction]] or [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Multiple [[Aneurysm|microaneurysms]],  [[Hemorrhage]] due to focal [[rupture]], [[Occlusion]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]] and [[renal]] [[arteriovenous fistula]] in [[Doppler sonography|color Doppler sonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotizing]] [[inflammatory]] lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sudden [[weight loss]], [[Abdominal pain]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Monkeypox|Monkey pox]]
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hepatitis B virus]]-associated [[polyarteritis nodosa]]<ref name="pmid25755502">{{cite journal |vauthors=Sharma A, Sharma K |title=Hepatotropic viral infection associated systemic vasculitides-hepatitis B virus associated polyarteritis nodosa and hepatitis C virus associated cryoglobulinemic vasculitis |journal=J Clin Exp Hepatol |volume=3 |issue=3 |pages=204–12 |date=September 2013 |pmid=25755502 |pmc=4216827 |doi=10.1016/j.jceh.2013.06.001 |url=}}</ref>
|The presentation is similar to [[Smallpox|small pox]], although it is often a milder form, with [[fever]], [[headache]], [[myalgia]], [[back pain]], [[swollen lymph nodes]], a general feeling of discomfort, and exhaustion. Within 1 to 3 days (sometimes longer) after the appearance of [[fever]], the patient develops a papular [[rash]], often first on the face. The lesions usually develop through several stages before crusting and falling off.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hepatitis B surface antigen|HBsAg]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Normochromic anemia]], [[Thrombocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑ [[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Focal regions of [[infarction]] or [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms|Microaneurysms]] in [[mesenteric artery]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Aneurysms]] and [[renal]] [[arteriovenous fistula]] in [[Doppler sonography|color Doppler sonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotizing]] [[inflammatory]] lesions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Peripheral neuropathy]], [[Livedo reticularis]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Rubella]]
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Kawasaki disease]]<ref name="pmid21447126">{{cite journal| author=Takahashi K, Oharaseki T, Yokouchi Y| title=Pathogenesis of Kawasaki disease. | journal=Clin Exp Immunol | year= 2011 | volume= 164 Suppl 1 | issue=  | pages= 20-2 | pmid=21447126 | doi=10.1111/j.1365-2249.2011.04361.x | pmc=3095860 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21447126  }}</ref>
|Commonly presents with a facial [[rash]] which then spreads to the [[trunk]] and [[limbs]], fading after 3 days, low grade [[fever]], swollen [[glands]], [[joint pain]]s, [[headache]] and [[conjunctivitis]]. The [[rash]] disappears after a few days with no staining or peeling of the [[skin]]. ''[[Forchheimer's sign]]'' occurs in 20% of cases, and is characterized by small, red [[papules]] on the area of the [[soft palate]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[NT-proBNP]], [[Meprin A]], [[Filamin A interacting protein 1 like|Filamin C]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normochromic anemia]], ↑[[WBC]] with a [[left shift]], [[Thrombocytosis]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acute phase reactant|Acute-phase reactants]], ↓[[Cholesterol]], [[HDL]], ↓[[Apolipoprotein A1|ApolipoA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery]] [[Calcification|calcifications]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery aneurysm|Coronary artery aneurysms]], [[Coronary artery stenosis|stenosis]] or [[Coronary artery anomaly|occlusion]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Coronary artery anomaly]] in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Electron beam tomography|Electron beam CT (EBCT)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Acute destruction of the [[Tunica media|media]] by [[neutrophils]], with loss of [[elastic fibers]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Diarrhea]], [[Vomiting]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |Atypical [[measles]]
! rowspan="10" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Infectious disease]]
|The symptoms commonly begin about 7-14 days after infection and present as [[fever]], [[cough]], [[coryza]] and [[conjunctivitis]]. Observation of [[Koplik's spots]] is also a characteristic finding in measles.
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Parvovirus B19 infection]]<ref name="pmid12097253">{{cite journal| author=Heegaard ED, Brown KE| title=Human parvovirus B19. | journal=Clin Microbiol Rev | year= 2002 | volume= 15 | issue= 3 | pages= 485-505 | pmid=12097253 | doi= | pmc=118081 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12097253  }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Parvovirus B19|B19]] [[DNA]], [[Reticulocyte count]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |anti–[[parvovirus B19]] [[IgM]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hydrops]] in fetal [[ultrasonography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Parvovirus B19|B19]] [[DNA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Purpura|Purpuric rash]], [[Erythema multiforme]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Coxsackie virus]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Scarlet fever]]<ref name="pmid29081840">{{cite journal| author=Basetti S, Hodgson J, Rawson TM, Majeed A| title=Scarlet fever: a guide for general practitioners. | journal=London J Prim Care (Abingdon) | year= 2017 | volume= 9 | issue= 5 | pages= 77-79 | pmid=29081840 | doi=10.1080/17571472.2017.1365677 | pmc=5649319 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29081840  }}</ref>
|The most commonly caused disease is the [[Coxsackie A]] disease, presenting as ''hand, foot and mouth disease''. It may be [[asymptomatic]] or cause mild [[symptoms]], or it may produce [[fever]] and painful [[blisters]] in the mouth ([[herpangina]]), on the palms and fingers of the hand, or on the soles of the feet. There can also be [[blisters]] in the [[throat]] or above the [[tonsils]]. Adults can also be affected. The [[rash]], which can appear several days after a high temperature and painful sore throat, can be itchy and painful, especially on the hands/fingers and bottom of feet.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antistreptococcal antibodies|Antistreptolysin-O (ASO) titers]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Thickened [[pulmonary]] markings if [[pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sparse [[Neutropenia|neutrophilic]] [[Perivascular cell|perivascular infiltrate]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |History and [[physical examination]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Sand-paper rashes, [[Sore throat]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Acne]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Toxic shock syndrome]]<ref name="pmid22180682">{{cite journal| author=Vostral SL| title=Rely and Toxic Shock Syndrome: a technological health crisis. | journal=Yale J Biol Med | year= 2011 | volume= 84 | issue= 4 | pages= 447-59 | pmid=22180682 | doi= | pmc=3238331 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22180682  }}</ref>
|Acne is typical of teenagers, usually appears on the [[face]] and upper neck, but the [[chest]], [[human back|back]] and [[shoulder]]s may have [[acne]] as well. The upper [[arm]]s can also have [[acne]], but lesions found there are often [[keratosis pilaris]], not [[acne]]. The typical [[acne]] lesions are [[comedones]] and [[inflammatory]] [[papules]], [[pustules]], and [[nodules]]. Some of the large [[nodules]] were previously called "[[cyst]]s"
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Procalcitonin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[left shift]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Myoglobinuria]], [[Pyuria|Sterile pyuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acute respiratory distress syndrome]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrosis|Necrolysis]] of [[keratinocytes]] in [[epidermis]], Perivascular [[lymphocytic]] infiltrate
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical criteria
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Peeling or [[rashes]], Organ dysfunction
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Syphilis]]  
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Mononucleosis]]<ref name="pmid25774295">{{cite journal| author=Balfour HH, Dunmire SK, Hogquist KA| title=Infectious mononucleosis. | journal=Clin Transl Immunology | year= 2015 | volume= 4 | issue= 2 | pages= e33 | pmid=25774295 | doi=10.1038/cti.2015.1 | pmc=4346501 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25774295  }}</ref>
|Syphilis commonly presents with gneralized systemic [[symptoms]] such as [[malaise]], [[fatigue]], [[headache]] and [[fever]]. [[Skin]] eruptions may be subtle and [[asymptomatic]]. Syphilis is classically characterized by:
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
* Non-pruritic bilateral symmetrical mucocutaneous [[rash]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
* Non-tender regional [[lymphadenopathy]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
* Condylomata lata
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
* Patchy [[alopecia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epstein Barr virus|EBV]] [[DNA]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atypical lymphocyte]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heterophile antibody test|Heterophile antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CNS Disease|CNS involvement]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Splenomegaly]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Encephalitis]] in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphoproliferative response]] in [[oropharynx]], [[Lymphocytic|Lymphocytic infiltration]] in [[spleen]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Heterophile antibody test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Splenomegaly]], [[Palatal]] [[petechiae]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Molluscum contagiosum]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Leptospirosis]]<ref name="pmid11292640">{{cite journal |vauthors=Levett PN |title=Leptospirosis |journal=Clin. Microbiol. Rev. |volume=14 |issue=2 |pages=296–326 |date=April 2001 |pmid=11292640 |pmc=88975 |doi=10.1128/CMR.14.2.296-326.2001 |url=}}</ref>
|Molluscum contagiosum lesions are commonly flesh-colored, dome-shaped, and pearly in appearance. They are often 1-5 millimeters in diameter, with a dimpled center. Generally not painful, but they may itch or become irritated. Picking or scratching the lesions may lead to further [[infection]] or scarring. In about 10% of the cases, [[eczema]] develops around the lesions. They may occasionally be complicated by secondary [[bacterial infections]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Interleukin 6|IL-6]], [[IL-8]] and [[IL-10]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Anemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Creatinine|Cr]] or [[Blood urea nitrogen|BUN]],
↑[[ALT]] or [[AST]], [[Proteinuria]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" | Diffuse [[alveolar]] [[hemorrhage]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Toxin]]-mediated break down of [[endothelial cell]] membranes of [[capillaries]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Culture and the [[Agglutination|microscopic agglutination test]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Red eyes]], [[Skin rash]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Mononucleosis|Infectious mononucleosis]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Lyme disease|Lyme Disease]]<ref name="pmid23319969">{{cite journal| author=Biesiada G, Czepiel J, Leśniak MR, Garlicki A, Mach T| title=Lyme disease: review. | journal=Arch Med Sci | year= 2012 | volume= 8 | issue= 6 | pages= 978-82 | pmid=23319969 | doi=10.5114/aoms.2012.30948 | pmc=3542482 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23319969  }}</ref>
|Common [[symptoms]] of [[infectious mononucleosis]] include low-grade [[fever]] without [[chills]], [[sore throat]], white patches on [[tonsils]] and back of the throat, [[muscle weakness]] and occasionally, extreme [[fatigue]], tender [[lymphadenopathy]], [[petechial hemorrhage]] and [[skin rash]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[CXCL9|CXCL9 (MIG)]], [[CXCL10|CXCL10 (IP-10)]] and [[CCL19|CCL19 (MIP3B)]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukopenia]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Microscopic hematuria]], [[Proteinuria]], [[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Punctate lesions in periventricular [[white matter]] in [[brain]] [[SPECT]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Acrodermatitis chronica atrophicans]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Serological testing|Serologic '''tests''']]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythema migrans]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |Toxic [[erythema]]  
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Measles]]<ref name="pmid22510638">{{cite journal| author=White SJ, Boldt KL, Holditch SJ, Poland GA, Jacobson RM| title=Measles, mumps, and rubella. | journal=Clin Obstet Gynecol | year= 2012 | volume= 55 | issue= 2 | pages= 550-9 | pmid=22510638 | doi=10.1097/GRF.0b013e31824df256 | pmc=3334858 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22510638  }}</ref>
|Toxic [[erythema]] is a common [[rash]] in infants, with clustered and [[vesicular]] appearance.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Measles]] [[Immunoglobulin M|IgM]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukopenia]], [[Lymphocytosis]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[ALT]] or [[AST]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Spongiosis and vesiculation in the [[epidermis]] with scattered dyskeratotic [[keratinocytes]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[PCR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rash|Generalized rash]], [[Cough]], [[Coryza]], or [[Conjunctivitis]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Rat-bite fever]]  
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Rocky Mountain Spotted Fever]]<ref name="pmid2504480">{{cite journal| author=Walker DH| title=Rocky Mountain spotted fever: a disease in need of microbiological concern. | journal=Clin Microbiol Rev | year= 1989 | volume= 2 | issue= 3 | pages= 227-40 | pmid=2504480 | doi= | pmc=358117 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2504480  }}</ref>
|[[Rat-bite fever]] commonly presents with [[fever]], [[chills]], open sore at the site of the bite and [[rash]], which may show red or purple plaques.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |''[[Rickettsia rickettsii infection|R rickettsii]]'' [[serology]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombocytopenia]], [[Anemia]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[ALT]] or [[AST]], [[Hyponatremia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Infarction]], [[edema]], and [[meningeal]] enhancement
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Myocardial]] or conduction abnormalities in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Immunofluorescent]] or [[immunoperoxidase]] staining of ''[[Rickettsia rickettsii infection|R rickettsii]]''
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical criteria and [[tick]] exposure
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Rash on the [[Palms of the hands|palms]] and [[soles]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Parvovirus B19]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Staphylococcal scalded skin syndrome|Staphylococcal Scalded Skin Syndrome]]<ref name="pmid27651848">{{cite journal| author=Mishra AK, Yadav P, Mishra A| title=A Systemic Review on Staphylococcal Scalded Skin Syndrome (SSSS): A Rare and Critical Disease of Neonates. | journal=Open Microbiol J | year= 2016 | volume= 10 | issue=  | pages= 150-9 | pmid=27651848 | doi=10.2174/1874285801610010150 | pmc=5012080 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27651848  }}</ref>
|The [[rash]] of [[fifth disease]] is typically described as "slapped cheeks," with [[erythema]] across the cheeks and sparing the nasolabial folds, forehead, and mouth.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Anti exfoliatin and [[Alpha toxin|anti alpha-toxin antibodies]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[left shift]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood culture]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pneumonia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epidermal bullosa simplex|Intraepidermal blister]], dense superficial perivascular lymphohistiocytic infiltrate 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood culture]] and clinical findings
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythroderma|'''Widespread''' skin erythema]], [[Blisters|fluid-filled '''blisters''']]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Cytomegalovirus]] (CMV)
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Toxic Epidermal Necrolysis]]<ref name="pmid27239294">{{cite journal| author=Hoetzenecker W, Mehra T, Saulite I, Glatz M, Schmid-Grendelmeier P, Guenova E et al.| title=Toxic epidermal necrolysis. | journal=F1000Res | year= 2016 | volume= 5 | issue=  | pages=  | pmid=27239294 | doi=10.12688/f1000research.7574.1 | pmc=4879934 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27239294  }}</ref>
|The common [[symptoms]] of CMV include [[sore throat]], swollen [[lymph nodes]], [[fever]], [[headache]], [[fatigue]], [[weakness]], [[muscle pain]] and [[loss of appetite]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[MicroRNA|MicroRNA-124]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Normocytic normochromic anemia|Normochromic normocytic anemia]], [[Eosinophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fluid loss]] and [[electrolyte abnormalities]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tracheobronchial]] [[inflammation]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Necrotic]] [[keratinocytes]] with full-thickness [[epithelial]] [[necrosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Histopathology]] and clinical findings
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Erythematous rash|Erythematous macular rash]] with [[purpuric]] centers
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Scarlet fever]]  
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cardiovascular disease]]
|[[Scarlet fever]] commonly includes [[fever]], punctate red [[macules]] on the hard and soft [[palate]] and [[uvula]] ([[Forchheimer's spots]]), bright red [[tongue]] with a "strawberry" appearance, [[sore throat]], [[headache]] and [[lymphadenopathy]].
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Atrial Myxoma]]<ref name="pmid8407260">{{cite journal |vauthors=MacGowan SW, Sidhu P, Aherne T, Luke D, Wood AE, Neligan MC, McGovern E |title=Atrial myxoma: national incidence, diagnosis and surgical management |journal=Ir J Med Sci |volume=162 |issue=6 |pages=223–6 |date=June 1993 |pmid=8407260 |doi= |url=}}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Calretinin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Mild [[anemia]], [[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑[[Interleukin 6|IL-6]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atrial]] filling defect larger than a [[thrombus]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tumor]] location, size, attachment, and mobility in [[echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Size, shape, and surface characteristics in [[MRI]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lipid|Lipidic]] cells embedded in a [[vascular]] myxoid stroma
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Dyspnea on exertion]], [[Syncope]]
|-
|-
| style="background: #DCDCDC; padding: 5px;" |[[Rocky Mountain spotted fever|Rocky mountain spotted fever]]  
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cholesterol Embolism]]<ref name="pmid21886725">{{cite journal| author=Avci G, Akoz T, Gul AE| title=Cutaneous cholesterol embolization. | journal=J Dermatol Case Rep | year= 2009 | volume= 3 | issue= 2 | pages= 27-9 | pmid=21886725 | doi=10.3315/jdcr.2009.1031 | pmc=3157794 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21886725  }}</ref>
|[[Rocky Mountain spotted fever|Rocky mountain spotted fever]] [[symptoms]] may include [[maculopapular rash]], [[petechial rash]], [[abdominal pain]] and [[joint pain]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
| style="background: #DCDCDC; padding: 5px;" |[[Stevens-Johnson syndrome]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|[[Stevens-Johnson syndrome]] [[symptoms]] may include [[fever]], [[sore throat]]  and [[fatigue]]. Commonly presents with [[ulcers]] and other lesions in the [[mucous membranes]], almost always in the [[mouth]] and lips but also in the genital and anal regions. Those in the mouth are usually extremely painful and reduce the patient's ability to eat or drink. [[Conjunctivitis]] of the eyes occurs in about 30% of children. A [[rash]] consisting of round lesions about an inch across, may arise on the face, trunk, arms and legs, and soles of the feet, but usually not on the scalp.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
| style="background: #DCDCDC; padding: 5px;" |[[Varicella-zoster virus]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|[[Herpes zoster|Varicella-zoster virus]] commonly starts as a painful [[rash]] on one side of the face or body. The [[rash]] forms blisters that typically scab over in 7-10 days and clear up within 2-4 weeks.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
| style="background: #DCDCDC; padding: 5px;" |[[Chicken pox]]  
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Interleukin 5|IL-5]]
|[[Chicken pox]] commonly starts with [[conjunctival]] and catarrhal [[symptoms]] and then characteristic spots appear in two or three waves, mainly on the body and head, rather than the hands, becoming itchy raw pox (small open sores which heal mostly without scarring). Touching the fluid from a [[chickenpox]] blister can also spread the disease.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophilia]], [[Leukocytosis]]  
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="background: #DCDCDC; padding: 5px;" |[[Meningococcemia]]  
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Eosinophiluria]]
|[[Meningococcemia]] commonly presents with [[rash]], [[petechiae]], [[headache]], [[confusion]], and [[stiff neck]], high [[fever]], mental status changes, [[nausea]] and [[vomiting]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thoracic aorta|Thoracic]] and [[Abdominal aorta|abdominal aortic]] sources of [[embolism]]
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Atheroembolism]] in [[abdominal aorta]] and the [[lower extremity]] [[arteries]]
| style="background: #DCDCDC; padding: 5px;" |[[Rickettsialpox|Rickettsial pox]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Excluding an [[intracardiac]] source of [[embolism]] with [[echocardiography]] 
|The first [[symptom]] of [[Rickettsialpox|rickettsial pox]] is commonly a bump formed by a mite bite, eventually resulting in a black, crusty scab. Many of the [[symptoms]] are [[flu]]-like including [[fever]], [[chills]], [[weakness]] and [[muscle pain|muscle pain,]] but the most distinctive [[symptom]] is the [[rash]] that breaks out, spanning the person's entire body.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Birefringent]] crystals or biconvex needle-shaped ghostly clefts within the [[arterial]] [[lumen]]
| style="background: #DCDCDC; padding: 5px;" |[[Meningitis]]  
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]] 
|Meningitis commonly presents with [[headache]], [[nuchal rigidity]], [[fever]], [[petechiae]] and [[altered mental status]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Livedo reticularis]],  
|}


{| class="wikitable"
[[Ischemic|Ischemic patches]]
|+
! rowspan="2" |Disease
! rowspan="2" |Epidemiology
! rowspan="2" |Predisposing factors
! colspan="2" |'''Clinical features'''
! rowspan="2" |'''Lab abnormalities'''
|-
|-
|'''Signs'''
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Segmental arteries|Segmental arterial]] mediolysis<ref name="Chao2009">{{cite journal|last1=Chao|first1=Christine|title=Segmental Arterial Mediolysis|journal=Seminars in Interventional Radiology|volume=26|issue=03|year=2009|pages=224–232|issn=0739-9529|doi=10.1055/s-0029-1225666}}</ref>
|'''Symptoms'''
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Visceral]] artery [[aneurysm]] in [[CT angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Alternating [[aneurysms]] and [[stenoses]] (beading)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Retroperitoneal hematoma]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Disruption of the [[smooth muscle]] in the [[Tunica media|media]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Angiography]] 
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hematuria]], [[Ischemic colitis]]
|-
|-
|[[Kawasaki disease|Kawasaki]]  
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Systemic disease]]
[[Kawasaki disease|disease]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Antiphospholipid syndrome|Antiphospholipid Syndrome]]<ref name="pmid26637701">{{cite journal| author=Chaturvedi S, McCrae KR| title=The antiphospholipid syndrome: still an enigma. | journal=Hematology Am Soc Hematol Educ Program | year= 2015 | volume= 2015 | issue= | pages= 53-60 | pmid=26637701 | doi=10.1182/asheducation-2015.1.53 | pmc=4877624 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26637701  }}</ref>
|Occurs in children, usually age 1-4 years
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
|Interaction of genetic and environmental factors, possibly including an infection in combination with genetic predisposition to an autoimmune mechanism ([[Vasculitis|autoimmune vasculitis]])
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
|Non-[[suppurative]], painless bilateral conjunctival [[inflammation]] ([[conjunctivitis]]), strawberry tongue (marked redness with prominent [[Papillae of the tongue|gustative papillae]]), deep transverse grooves across the nails may develop (Beau’s lines), [[lymphadenopathy]] present(acute, non-[[purulent]], cervical), may lead to [[Coronary arteries|coronary artery]] [[Aneurysm|aneurysms]].
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|High and persistent fever that is not very responsive to normal treatment with [[acetaminophen]] or [[Non-steroidal anti-inflammatory drug|NSAIDs]],  diffuse [[Maculopapular|macular-papular]] [[erythematous]] rash
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|Liver function tests may show evidence of hepatic [[inflammation]] and low serum [[albumin]] levels, low hemoglobulin and age-adjusted hemoglobulin concentrations, '''[[thrombocytosis]]''', [[anemia]].  [[Echocardiography|Echocardiographic]] abnormalities, such as [[valvulitis]] ([[Mitral valve|mitral]] or [[Tricuspid valve|tricuspid]] [[Regurgitation (circulation)|regurgitation]]) and [[Coronary arteries|coronary artery]] lesions, are significantly more common in [[Kawasaki disease]]. <ref name="pmid26222065">{{cite journal |vauthors=Lin YJ, Cheng MC, Lo MH, Chien SJ |title=Early Differentiation of Kawasaki Disease Shock Syndrome and Toxic Shock Syndrome in a Pediatric Intensive Care Unit |journal=Pediatr. Infect. Dis. J. |volume=34 |issue=11 |pages=1163–7 |year=2015 |pmid=26222065 |doi=10.1097/INF.0000000000000852 |url=}}</ref> [[Pyuria]] of uretheral origin.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|[[Toxic shock syndrome]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|Occurs in  both adults and children (9:1 female predominance)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
|Occurs in association with [[vaginitis]] during [[menstruation]] following tampon use (S. aureus); as a complication of soft tissue infections ([[Streptococcus pyogenes|S. pyogenes]] or GAS) or in females undergoing medical [[abortion]] ([[Clostridium sordellii|C. sordellii]]).
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Antiphospholipid antibodies]]
|[[Hypotension]], [[tachycardia]], [[mucous membrane]] [[Hyperaemia|hyperemia]] (vaginal, oral, [[Conjunctiva|conjunctival]])
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombocytopenia]], [[Hemolytic anemia]]
|Fever, diarrhea, vomiting, diffuse scarlantiform rash
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
|[[Hyponatremia]] and [[uremia]]. Hepatic dysfunction (total [[bilirubin]], serum asparate aminotransferase or serum alanine aminotransferase levels >2 times upper normal limit), [[leukocytosis]] with a [[Polymorphonuclear cells|polymorphonuclear shift]] to the left. [[Platelet|Platelets]] < 100,000 per mm<sup>3</sup> ([[thrombocytopenia]]), [[pyuria]] of [[renal]] origin.
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lupus anticoagulant|Lupus anticoagulant (LA)]]
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stroke]],
|[[Scarlet fever]]
|Distributed equally among both genders. Most commonly affects children between five and fifteen years of age.
|Occurs after streptococcal [[pharyngitis]]/[[tonsillitis]]
|Pastia's sign (puncta and skin crease accentuation of the [[erythema]]), strawberry tongue, cervical [[lymphadenopathy]] may be present. [[Scarlet fever]] appears similar to [[Kawasaki disease|Kawasaki's disease]] in some aspects, but lacks the eye signs or the swollen, red fingers and toes
|Characteristic sandpaper-like rash which appears days after the illness begins (although the rash can appear before illness or up to 7 days later), rash may first appear on the neck, underarm, and groin
|[[Leukocytosis]] with [[left shift]] and possibly [[eosinophilia]] a few weeks after convalescence. Anti-deoxyribonuclease B, [[Antistreptolysin O titer|antistreptolysin-O]] titers (antibodies to streptococcal [[extracellular]] products), antihyaluronidase, and antifibrinolysin may be positive.
|}
Kawasaki disease must be differentiated from other causes of fever and rash in infants
{|


|}
[[Pulmonary embolism]], [[Budd-Chiari syndrome]]
{| style="border: 2px solid #DCDCDC; font-size: 90%; width: 83%;"
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thrombus]] in major [[vessels]]
|+ '''Differential Diagnosis of Measles.''' Table adapted from CDC Pinkbook.<ref name="CDC90">{{cite web | title = Epidemiology and Prevention of Vaccine-Preventable Diseases | url = http://www.cdc.gov/vaccines/pubs/pinkbook/table-of-contents.html }}</ref>
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Valve thickening, vegetations, or  insufficiency in [[echocardiography]]
|-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Disease}}
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Noninflammatory bland [[thrombosis]] without perivascular [[inflammation]]
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Agent}}
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Hx of [[thrombosis]] and [[antiphospholipid antibodies]]
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Typical Season}}
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Miscarriage]], [[Pulmonary hypertension]]
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Typical Age}}
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Prodrome}}
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Fever}}
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Duration of the rash (days)}}
! style="width: 500px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Rash}}
! style="width: 200px; background: #4479BA; text-align: center;" | {{fontcolor|#FFF|Other Signs & Symptoms}}
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Kawasaki disease]]'''
| style="background: #DCDCDC; padding: 5px;" | Unknown
| style="background: #F5F5F5; padding: 5px;" | Winter - Spring
| style="background: #DCDCDC; padding: 5px;" | < 5 years
| style="background: #F5F5F5; padding: 5px;" | 3 days of abrupt [[fever]]
| style="background: #DCDCDC; padding: 5px;" | High; [[fever]] of 5 days is a diagnostic criteria
| style="background: #F5F5F5; padding: 5px;" | 5 - 7
| style="background: #DCDCDC; padding: 5px;" | Erythematous, morbilliform, maculopapular or scarlatiniform, central distribution; erythematous, indurated palms and soles
| style="background: #F5F5F5; padding: 5px;" | Acute: dry, fissured and injected lips, [[strawberry tongue]]; [[irritability]]; cervical [[lymphadenopathy]]; [[conjunctival injection]]; peripheral [[edema]]; Subacute: finger-tip desquamation; Complications: [[arthritis]], [[carditis]]  
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Measles]]'''
| style="background: #DCDCDC; padding: 5px;" | [[Paramyxovirus]]<br>Measles virus
| style="background: #F5F5F5; padding: 5px;" | Winter - Spring
| style="background: #DCDCDC; padding: 5px;" | 1 to 20 years
| style="background: #F5F5F5; padding: 5px;" | 2-4 days of [[cough]], [[conjunctivitis]], and [[coryza]]
| style="background: #DCDCDC; padding: 5px;" | High
| style="background: #F5F5F5; padding: 5px;" | 5 - 6
| style="background: #DCDCDC; padding: 5px;" | Erythematous, irregular size, maculopapular; starts on temples and behind ears; progresses down from face; fades to brownish
| style="background: #F5F5F5; padding: 5px;" | Koplik's spots: C blue-white papules (salt grains) on bright red [[mucosa]] opposite premolar [[teeth]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''Roseola Infantum (exanthem subitum)'''
| style="background: #DCDCDC; padding: 5px;" | Human [[herpes virus]] type 6
| style="background: #F5F5F5; padding: 5px;" | Any season
| style="background: #DCDCDC; padding: 5px;" | 6 months to 2 years
| style="background: #F5F5F5; padding: 5px;" | None
| style="background: #DCDCDC; padding: 5px;" | High
| style="background: #F5F5F5; padding: 5px;" | 1-2; it follows defervescence
| style="background: #DCDCDC; padding: 5px;" | Discrete erythematous macules, rarely involves face, begins as fever ends
| style="background: #F5F5F5; padding: 5px;" | [[Lymphadenopathy]], [[irritability]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Rubella]]'''
| style="background: #DCDCDC; padding: 5px;" | [[Togavirus]]
| style="background: #F5F5F5; padding: 5px;" | Spring
| style="background: #DCDCDC; padding: 5px;" | 7 months to 29 years
| style="background: #F5F5F5; padding: 5px;" | 0 - 4 days; mild malaise, fever; absent in children
| style="background: #DCDCDC; padding: 5px;" | Low grade
| style="background: #F5F5F5; padding: 5px;" | 1 - 3
| style="background: #DCDCDC; padding: 5px;" | Discrete, rose-pink, diffuse, maculopapular; progresses downward from face, may change quickly
| style="background: #F5F5F5; padding: 5px;" | [[Arthralgia]] (usually in adults), tender posterior cervical and suboccipital [[lymphadenopathy]], [[malaise]], [[petechiae]] on [[soft palate]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Scarlet Fever]]'''
| style="background: #DCDCDC; padding: 5px;" | ß-hemolytic [[streptococci]]
| style="background: #F5F5F5; padding: 5px;" | Winter
| style="background: #DCDCDC; padding: 5px;" | > 2 years
| style="background: #F5F5F5; padding: 5px;" | 0 - 6 day, marked
| style="background: #DCDCDC; padding: 5px;" | Low to high
| style="background: #F5F5F5; padding: 5px;" | 2 - 7
| style="background: #DCDCDC; padding: 5px;" | Scarlet "sunburn" with punctate papules "sandpaper", circumoral pallor, increased intensity in [[skin]] folds, blanches stars face/head, upper trunk and progresses downward
| style="background: #F5F5F5; padding: 5px;" | [[Sore throat]], exudative [[tonsillitis]], [[vomiting]], [[abdominal pain]], [[lmphadenopathy]], white then red [[strawberry tongue]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Erythema Infectiosum]] ([[Fifth Disease]])'''
| style="background: #DCDCDC; padding: 5px;" | [[Human parvovirus]] type B19
| style="background: #F5F5F5; padding: 5px;" | Spring
| style="background: #DCDCDC; padding: 5px;" | 5 - 10 years
| style="background: #F5F5F5; padding: 5px;" | None, usually in children, may occur in adults
| style="background: #DCDCDC; padding: 5px;" | None to low-grade
| style="background: #F5F5F5; padding: 5px;" | 2 - 4
| style="background: #DCDCDC; padding: 5px;" | Starts as “slapped cheek”, maculopapular; progresses to reticular (lacy) pattern; can recur with environmental changes such as sunlight exposure
| style="background: #F5F5F5; padding: 5px;" | [[Arthralgia]]/[[arthritis]] in adults, [[adenopathy]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Enterovirus]]'''
| style="background: #DCDCDC; padding: 5px;" | [[Echovirus]]<br>[[Coxsackie virus]]
| style="background: #F5F5F5; padding: 5px;" | Summer - Fall
| style="background: #DCDCDC; padding: 5px;" | Mainly childhood
| style="background: #F5F5F5; padding: 5px;" | 0 - 1 day fever and myalias
| style="background: #DCDCDC; padding: 5px;" | Low to high
| style="background: #F5F5F5; padding: 5px;" | 1 - 5
| style="background: #DCDCDC; padding: 5px;" | Fine, pink, always affects face; variant is Boston exanthem (large ~ 1 cm, discrete maculopapules)
| style="background: #F5F5F5; padding: 5px;" | [[Sore throat]], [[headache]], [[malaise]], no [[lymphadenopathy]], [[gastroenteritis]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Dengue Fever]]'''
| style="background: #DCDCDC; padding: 5px;" | [[Flavivirus]]<br>[[Dengue virus]] types 1 - 4
| style="background: #F5F5F5; padding: 5px;" |
| style="background: #DCDCDC; padding: 5px;" |
| style="background: #F5F5F5; padding: 5px;" | None
| style="background: #DCDCDC; padding: 5px;" | High
| style="background: #F5F5F5; padding: 5px;" |1 - 5
| style="background: #DCDCDC; padding: 5px;" | Generalized maculopapular rash after defervescence; spares palms and soles
| style="background: #F5F5F5; padding: 5px;" | [[Headache]], [[myalgia]], [[abdominal pain]], [[pharyngitis]], [[vomiting]]
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Drug induced rash]]'''
| style="background: #DCDCDC; padding: 5px;" | Many
| style="background: #F5F5F5; padding: 5px;" | Any
| style="background: #DCDCDC; padding: 5px;" | Any
| style="background: #F5F5F5; padding: 5px;" | Possible due to underlying [[illness]]
| style="background: #DCDCDC; padding: 5px;" | Possible
| style="background: #F5F5F5; padding: 5px;" | Varies
| style="background: #DCDCDC; padding: 5px;" | Typically diffuse but may be concentrated in diaper area, typically no progression, erythema multiform rash can progress over a few days
| style="background: #F5F5F5; padding: 5px;" | Possibly due to underlying [[illness]] or [[complications]]  
|-
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Infectious Mononucleosis]]'''
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Juvenile Idiopathic Arthritis]]<ref name="pmid22753788">{{cite journal |vauthors=Espinosa M, Gottlieb BS |title=Juvenile idiopathic arthritis |journal=Pediatr Rev |volume=33 |issue=7 |pages=303–13 |date=July 2012 |pmid=22753788 |doi=10.1542/pir.33-7-303 |url=}}</ref>
| style="background: #DCDCDC; padding: 5px;" | [[Epstein-Barr Virus]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
| style="background: #F5F5F5; padding: 5px;" | None
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
| style="background: #DCDCDC; padding: 5px;" | 10 - 30 years
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
| style="background: #F5F5F5; padding: 5px;" | 2 - 5 days of [[malaise]] and [[fatigue]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+
| style="background: #DCDCDC; padding: 5px;" | Low to high
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |+/-
| style="background: #F5F5F5; padding: 5px;" | 2 - 7
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
| style="background: #DCDCDC; padding: 5px;" | Trunk and proximal extremities. Rash common if [[Ampicillin]] given
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
| style="background: #F5F5F5; padding: 5px;" | [[Pharyngitis]], [[lymphadenopathy]], [[splenomegaly]], [[malaise]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rheumatoid factor|Rheumatoid factor (RF)]], [[S100A12]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Lymphocytosis]], [[Thrombocytopenia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Myeloid-related proteins 8/14 (MRP8/14)
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Synovial]] [[hypertrophy]], Joint effusions
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral vasculitis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Inflamed [[synovium]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bone scan|Bone scanning]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Vascular congestion]], [[Extravasation|RBC extravasation]], Venular lumen occlusion
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |Conventional [[radiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rash|Evanescent rash]], [[Dactylitis]] 
|-
|-
| style="background: #F5F5F5; padding: 5px; text-align: center;" | '''[[Pharyngoconjunctival Fever]]'''
| style="background: #DCDCDC; padding: 5px;" | [[Adenovirus]] types 2, 3, 4, 7, 7a
| style="background: #F5F5F5; padding: 5px;" | Winter - Spring
| style="background: #DCDCDC; padding: 5px;" | < 5 years
| style="background: #F5F5F5; padding: 5px;" |
| style="background: #DCDCDC; padding: 5px;" | Low to high
| style="background: #F5F5F5; padding: 5px;" | 3 - 5
| style="background: #DCDCDC; padding: 5px;" | Starts on face and spreads down to trunk and extremities
| style="background: #F5F5F5; padding: 5px;" | [[Sore throat]], [[conjunctivitis]], [[headache]], [[anorexia]]
|}
|}
</small>


==References==
==References==
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[[Category:Up-To-Date]]
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Revision as of 16:17, 26 April 2018

Kawasaki disease Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dildar Hussain, MBBS [2] Eiman Ghaffarpasand, M.D. [3]

Overview

Kawasaki disease must be differentiated from other diseases that cause different rash-like conditions and can be confused with Kawasaki disease. The various conditions that should be differentiated from Kawasaki disease include; infantile polyarteritis nodosa, juvenile idiopathic arthritis, leptospirosis, lyme disease, measles, mercury toxicity, pediatric rocky mountain spotted fever, toxic epidermal necrolysis, staphylococcal scalded skin syndrome, rheumatic fever, impetigoinsect bites, monkey pox, rubella, atypical measles, coxsackie virus, acne, syphilis, molluscum contagiosum, toxic erythema, rat-bite fever, parvovirus B19, cytomegalovirus, scarlet fever, Stevens-Johnson syndrome, varicella-zoster virus, chicken pox, meningococcemia, rickettsial pox, meningitis, toxic shock syndrome, roseola infantum (exanthem subitum), erythema infectiosum (fifth disease), enterovirus, dengue fever, drug - induced rash, infectious mononucleosis, pharyngoconjunctival fever, herpangina, and primary herpetic gingivostomatitis.

Differentiating Kawasaki disease from other diseases

Different rash-like conditions can be confused with Kawasaki disease and are thus included in its differential diagnosis. The various conditions that should be differentiated from Kawasaki disease include:[1][2][3][4][5][6][7]

Abbreviations: ABG= Arterial blood gas, ANA= Antinuclear antibody, ANP= Atrial natriuretic peptide, ASO= Antistreptolysin O antibody, BNP= Brain natriuretic peptide, CBC= Complete blood count, COPD= Chronic obstructive pulmonary disease, CRP= C-reactive protein, CT= Computed tomography, CXR= Chest X-ray, DVT= Deep vein thrombosis, ESR= Erythrocyte sedimentation rate, HRCT= High Resolution CT, IgE= Immunoglobulin E, LDH= Lactate dehydrogenase, PCWP= Pulmonary capillary wedge pressure, PCR= Polymerase chain reaction, PFT= Pulmonary function test.

Diseases Clinical manifestations Para-clinical findings Gold standard Additional findings
Symptoms Physical examination
Lab Findings Imaging Histopathology
Headache Fever Weight loss Arthralgia Claudication Bruit HTN Focal neurological disorder Biomarker CBC ESR Other CT scan Angiography Ultrasound/ Echocardiography Other
Medium-Vessel Vasculitis Polyarteritis nodosa[8] + + + + + + +/- +/- LAMP-2 protein autoantibodies Leukocytosis, Normochromic anemia, Thrombocytosis Cr or BUN,

ALT or AST, Proteinuria

Focal regions of infarction or hemorrhage Multiple microaneurysms, Hemorrhage due to focal rupture, Occlusion Aneurysms and renal arteriovenous fistula in color Doppler sonography - Necrotizing inflammatory lesions Angiography Sudden weight loss, Abdominal pain
Hepatitis B virus-associated polyarteritis nodosa[9] +/- +/- + + +/- +/- + - HBsAg Leukocytosis, Normochromic anemia, Thrombocytosis ALT or AST Focal regions of infarction or hemorrhage Microaneurysms in mesenteric artery Aneurysms and renal arteriovenous fistula in color Doppler sonography - Necrotizing inflammatory lesions Angiography Peripheral neuropathy, Livedo reticularis
Kawasaki disease[10] - + +/- + + - +/- - NT-proBNP, Meprin A, Filamin C Normochromic anemia, ↑WBC with a left shift, Thrombocytosis  Acute-phase reactants, ↓Cholesterol, ↓HDL, ↓ApolipoA Coronary artery calcifications Coronary artery aneurysms, stenosis or occlusion Coronary artery anomaly in echocardiography Electron beam CT (EBCT) Acute destruction of the media by neutrophils, with loss of elastic fibers History and physical examination Diarrhea, Vomiting
Infectious disease Parvovirus B19 infection[11] + + + + - - - +/- B19 DNA, ↓Reticulocyte count Anemia anti–parvovirus B19 IgM - - Hydrops in fetal ultrasonography - - B19 DNA Purpuric rash, Erythema multiforme
Scarlet fever[12] + + +/- + - - - - Antistreptolysin-O (ASO) titers Leukocytosis CRP Thickened pulmonary markings if pneumonia - - - Sparse neutrophilic perivascular infiltrate History and physical examination Sand-paper rashes, Sore throat
Toxic shock syndrome[13] + + + + - - - +/- Procalcitonin Leukocytosis with left shift Myoglobinuria, Sterile pyuria Acute respiratory distress syndrome - - - Necrolysis of keratinocytes in epidermis, Perivascular lymphocytic infiltrate Clinical criteria Peeling or rashes, Organ dysfunction
Mononucleosis[14] + + + + - - - - EBV DNA Atypical lymphocyte Heterophile antibodies CNS involvement - Splenomegaly Encephalitis in MRI Lymphoproliferative response in oropharynx, Lymphocytic infiltration in spleen Heterophile antibody test Splenomegaly, Palatal petechiae
Leptospirosis[15] + + + + +/- - - - IL-6, IL-8 and IL-10 Anemia - Cr or BUN,

ALT or AST, Proteinuria

 Diffuse alveolar hemorrhage - - - Toxin-mediated break down of endothelial cell membranes of capillaries Culture and the microscopic agglutination test Red eyes, Skin rash
Lyme Disease[16] +/- + +/- + +/- - - - CXCL9 (MIG), CXCL10 (IP-10) and CCL19 (MIP3B) Leukopenia, Thrombocytopenia - Microscopic hematuria, Proteinuria, ↑ALT or AST Punctate lesions in periventricular white matter in brain SPECT - - - Acrodermatitis chronica atrophicans Serologic tests Erythema migrans
Measles[17] +/- + +/- + - - - - Measles IgM Leukopenia, Lymphocytosis, Thrombocytopenia - ALT or AST Pneumonia - - CXR Spongiosis and vesiculation in the epidermis with scattered dyskeratotic keratinocytes PCR Generalized rash, Cough, Coryza, or Conjunctivitis
Rocky Mountain Spotted Fever[18] + + + + - - - - R rickettsii serology Thrombocytopenia, Anemia  - ALT or AST, Hyponatremia Infarction, edema, and meningeal enhancement - Myocardial or conduction abnormalities in echocardiography - Immunofluorescent or immunoperoxidase staining of R rickettsii Clinical criteria and tick exposure Rash on the palms and soles
Staphylococcal Scalded Skin Syndrome[19] + + + + - - +/- +/- Anti exfoliatin and anti alpha-toxin antibodies Leukocytosis with left shift Blood culture Pneumonia - - - Intraepidermal blister, dense superficial perivascular lymphohistiocytic infiltrate  Blood culture and clinical findings Widespread skin erythema, fluid-filled blisters
Toxic Epidermal Necrolysis[20] - + + - - - - +/- MicroRNA-124 Normochromic normocytic anemia, Eosinophilia Fluid loss and electrolyte abnormalities Tracheobronchial inflammation - - - Necrotic keratinocytes with full-thickness epithelial necrosis Histopathology and clinical findings Erythematous macular rash with purpuric centers
Cardiovascular disease Atrial Myxoma[21] - - +/- - - - - +/- Calretinin Mild anemia, Leukocytosis IL-6 Atrial filling defect larger than a thrombus - Tumor location, size, attachment, and mobility in echocardiography Size, shape, and surface characteristics in MRI Lipidic cells embedded in a vascular myxoid stroma Echocardiography Dyspnea on exertion, Syncope
Cholesterol Embolism[22] +/- +/- - - + - - + IL-5 Eosinophilia, Leukocytosis   Eosinophiluria Thoracic and abdominal aortic sources of embolism Atheroembolism in abdominal aorta and the lower extremity arteries Excluding an intracardiac source of embolism with echocardiography  - Birefringent crystals or biconvex needle-shaped ghostly clefts within the arterial lumen Angiography  Livedo reticularis,

Ischemic patches

Segmental arterial mediolysis[23] + - - - + + + +/- - Leukocytosis - - Visceral artery aneurysm in CT angiography Alternating aneurysms and stenoses (beading) Retroperitoneal hematoma - Disruption of the smooth muscle in the media Angiography  Hematuria, Ischemic colitis
Systemic disease Antiphospholipid Syndrome[24] + + - - - - - +/- Antiphospholipid antibodies Thrombocytopenia, Hemolytic anemia - Lupus anticoagulant (LA) Stroke,

Pulmonary embolism, Budd-Chiari syndrome

Thrombus in major vessels Valve thickening, vegetations, or insufficiency in echocardiography - Noninflammatory bland thrombosis without perivascular inflammation Hx of thrombosis and antiphospholipid antibodies Miscarriage, Pulmonary hypertension
Juvenile Idiopathic Arthritis[25] - - - + +/- - - - Rheumatoid factor (RF), S100A12 Lymphocytosis, Thrombocytopenia Myeloid-related proteins 8/14 (MRP8/14) Synovial hypertrophy, Joint effusions Cerebral vasculitis Inflamed synovium Bone scanning Vascular congestion, RBC extravasation, Venular lumen occlusion Conventional radiography Evanescent rash, Dactylitis 

References

  1. Hartman-Adams H, Banvard C, Juckett G (2014). "Impetigo: diagnosis and treatment". Am Fam Physician. 90 (4): 229–35. PMID 25250996.
  2. Mehta N, Chen KK, Kroumpouzos G (2016). "Skin disease in pregnancy: The approach of the obstetric medicine physician". Clin Dermatol. 34 (3): 320–6. doi:10.1016/j.clindermatol.2016.02.003. PMID 27265069.
  3. Moore, Zack S; Seward, Jane F; Lane, J Michael (2006). "Smallpox". The Lancet. 367 (9508): 425–435. doi:10.1016/S0140-6736(06)68143-9. ISSN 0140-6736.
  4. Ibrahim F, Khan T, Pujalte GG (2015). "Bacterial Skin Infections". Prim Care. 42 (4): 485–99. doi:10.1016/j.pop.2015.08.001. PMID 26612370.
  5. Ramoni S, Boneschi V, Cusini M (2016). "Syphilis as "the great imitator": a case of impetiginoid syphiloderm". Int J Dermatol. 55 (3): e162–3. doi:10.1111/ijd.13072. PMID 26566601.
  6. Kimura U, Yokoyama K, Hiruma M, Kano R, Takamori K, Suga Y (2015). "Tinea faciei caused by Trichophyton mentagrophytes (molecular type Arthroderma benhamiae ) mimics impetigo : a case report and literature review of cases in Japan". Med Mycol J. 56 (1): E1–5. doi:10.3314/mmj.56.E1. PMID 25855021.
  7. CEDEF (2012). "[Item 87--Mucocutaneous bacterial infections]". Ann Dermatol Venereol. 139 (11 Suppl): A32–9. doi:10.1016/j.annder.2012.01.002. PMID 23176858.
  8. Howard T, Ahmad K, Swanson JA, Misra S (2014). "Polyarteritis nodosa". Tech Vasc Interv Radiol. 17 (4): 247–51. doi:10.1053/j.tvir.2014.11.005. PMC 4363102. PMID 25770638.
  9. Sharma A, Sharma K (September 2013). "Hepatotropic viral infection associated systemic vasculitides-hepatitis B virus associated polyarteritis nodosa and hepatitis C virus associated cryoglobulinemic vasculitis". J Clin Exp Hepatol. 3 (3): 204–12. doi:10.1016/j.jceh.2013.06.001. PMC 4216827. PMID 25755502.
  10. Takahashi K, Oharaseki T, Yokouchi Y (2011). "Pathogenesis of Kawasaki disease". Clin Exp Immunol. 164 Suppl 1: 20–2. doi:10.1111/j.1365-2249.2011.04361.x. PMC 3095860. PMID 21447126.
  11. Heegaard ED, Brown KE (2002). "Human parvovirus B19". Clin Microbiol Rev. 15 (3): 485–505. PMC 118081. PMID 12097253.
  12. Basetti S, Hodgson J, Rawson TM, Majeed A (2017). "Scarlet fever: a guide for general practitioners". London J Prim Care (Abingdon). 9 (5): 77–79. doi:10.1080/17571472.2017.1365677. PMC 5649319. PMID 29081840.
  13. Vostral SL (2011). "Rely and Toxic Shock Syndrome: a technological health crisis". Yale J Biol Med. 84 (4): 447–59. PMC 3238331. PMID 22180682.
  14. Balfour HH, Dunmire SK, Hogquist KA (2015). "Infectious mononucleosis". Clin Transl Immunology. 4 (2): e33. doi:10.1038/cti.2015.1. PMC 4346501. PMID 25774295.
  15. Levett PN (April 2001). "Leptospirosis". Clin. Microbiol. Rev. 14 (2): 296–326. doi:10.1128/CMR.14.2.296-326.2001. PMC 88975. PMID 11292640.
  16. Biesiada G, Czepiel J, Leśniak MR, Garlicki A, Mach T (2012). "Lyme disease: review". Arch Med Sci. 8 (6): 978–82. doi:10.5114/aoms.2012.30948. PMC 3542482. PMID 23319969.
  17. White SJ, Boldt KL, Holditch SJ, Poland GA, Jacobson RM (2012). "Measles, mumps, and rubella". Clin Obstet Gynecol. 55 (2): 550–9. doi:10.1097/GRF.0b013e31824df256. PMC 3334858. PMID 22510638.
  18. Walker DH (1989). "Rocky Mountain spotted fever: a disease in need of microbiological concern". Clin Microbiol Rev. 2 (3): 227–40. PMC 358117. PMID 2504480.
  19. Mishra AK, Yadav P, Mishra A (2016). "A Systemic Review on Staphylococcal Scalded Skin Syndrome (SSSS): A Rare and Critical Disease of Neonates". Open Microbiol J. 10: 150–9. doi:10.2174/1874285801610010150. PMC 5012080. PMID 27651848.
  20. Hoetzenecker W, Mehra T, Saulite I, Glatz M, Schmid-Grendelmeier P, Guenova E; et al. (2016). "Toxic epidermal necrolysis". F1000Res. 5. doi:10.12688/f1000research.7574.1. PMC 4879934. PMID 27239294.
  21. MacGowan SW, Sidhu P, Aherne T, Luke D, Wood AE, Neligan MC, McGovern E (June 1993). "Atrial myxoma: national incidence, diagnosis and surgical management". Ir J Med Sci. 162 (6): 223–6. PMID 8407260.
  22. Avci G, Akoz T, Gul AE (2009). "Cutaneous cholesterol embolization". J Dermatol Case Rep. 3 (2): 27–9. doi:10.3315/jdcr.2009.1031. PMC 3157794. PMID 21886725.
  23. Chao, Christine (2009). "Segmental Arterial Mediolysis". Seminars in Interventional Radiology. 26 (03): 224–232. doi:10.1055/s-0029-1225666. ISSN 0739-9529.
  24. Chaturvedi S, McCrae KR (2015). "The antiphospholipid syndrome: still an enigma". Hematology Am Soc Hematol Educ Program. 2015: 53–60. doi:10.1182/asheducation-2015.1.53. PMC 4877624. PMID 26637701.
  25. Espinosa M, Gottlieb BS (July 2012). "Juvenile idiopathic arthritis". Pediatr Rev. 33 (7): 303–13. doi:10.1542/pir.33-7-303. PMID 22753788.

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