Langerhans cell histiocytosis differential diagnosis: Difference between revisions

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| style="padding: 7px 7px; background: #F5F5F5;" |The disease usually manifests in the skeleton and solitary bone lesions are encountered twice as often as multiple bone lesions.<br>The tumours can develop in any bone, but most commonly originate in the skull and jaw, followed by vertebral bodies, ribs, pelvis, and long bones.<ref name="pmid26461144">{{cite journal |vauthors=Picarsic J, Jaffe R |title=Nosology and Pathology of Langerhans Cell Histiocytosis |journal=Hematol. Oncol. Clin. North Am. |volume=29 |issue=5 |pages=799–823 |year=2015 |pmid=26461144 |doi=10.1016/j.hoc.2015.06.001 |url=}}</ref>  
| style="padding: 7px 7px; background: #F5F5F5;" |The disease usually manifests in the skeleton and solitary bone lesions are encountered twice as often as multiple bone lesions.<br>The tumours can develop in any bone, but most commonly originate in the skull and jaw, followed by vertebral bodies, ribs, pelvis, and long bones.<ref name="pmid26461144">{{cite journal |vauthors=Picarsic J, Jaffe R |title=Nosology and Pathology of Langerhans Cell Histiocytosis |journal=Hematol. Oncol. Clin. North Am. |volume=29 |issue=5 |pages=799–823 |year=2015 |pmid=26461144 |doi=10.1016/j.hoc.2015.06.001 |url=}}</ref>  
|-
|-
|}
==Differential diagnosis==
Langerhans cell histiocytosis must be differentiated from other cavitary lung lesions.
{| class="wikitable"
!Causes of
lung cavities
!Differentiating Features
!Differentiating radiological findings
!Diagnosis
confirmation
|-
|
*[[Malignancy]] ([[Lung cancer|Primary lung cance<nowiki/>r]])<ref name="pmid4353362">{{cite journal |vauthors=Chaudhuri MR |title=Primary pulmonary cavitating carcinomas |journal=Thorax |volume=28 |issue=3 |pages=354–66 |year=1973 |pmid=4353362 |pmc=470041 |doi= |url=}}</ref>
|
*Elderly male or female<ref name="pmid4353362">{{cite journal |vauthors=Chaudhuri MR |title=Primary pulmonary cavitating carcinomas |journal=Thorax |volume=28 |issue=3 |pages=354–66 |year=1973 |pmid=4353362 |pmc=470041 |doi= |url=}}</ref>
*Chronic smokers
*Presents with a [[low-grade fever]], absence of [[leukocytosis]], systemic complaints [[weight loss]], [[fatigue]]
*Absence of factors that predispose to [[gastric content aspiration]], no response to [[antibiotics]] within 10 days
*[[Hemoptysis]] is commonly associated with [[bronchogenic carcinoma]]
|
*A coin-shaped lesion with thick wall(>15mm) is seen on CXR with less ground glass opacities<ref name="pmid8572761">{{cite journal |vauthors=Mouroux J, Padovani B, Elkaïm D, Richelme H |title=Should cavitated bronchopulmonary cancers be considered a separate entity? |journal=Ann. Thorac. Surg. |volume=61 |issue=2 |pages=530–2 |year=1996 |pmid=8572761 |doi=10.1016/0003-4975(95)00973-6 |url=}}</ref> <ref name="pmid16183941">{{cite journal |vauthors=Onn A, Choe DH, Herbst RS, Correa AM, Munden RF, Truong MT, Vaporciyan AA, Isobe T, Gilcrease MZ, Marom EM |title=Tumor cavitation in stage I non-small cell lung cancer: epidermal growth factor receptor expression and prediction of poor outcome |journal=Radiology |volume=237 |issue=1 |pages=342–7 |year=2005 |pmid=16183941 |doi=10.1148/radiol.2371041650 |url=}}</ref>
*[[Bronchoalveolar lavage]] [[cytology]] shows malignant cells
|
*[[Biopsy]] of lung
|-
|
*Pulmonary [[Tuberculosis, pulmonary|Tuberculosis]]
|
*Mostly in endemic areas
*Symptoms include [[productive cough]], [[night sweats]], [[fever]], and [[weight loss]]
|
*CXR and CT demonstrates [[Internal|cavities]] in the upper lobe of the lung
|
*[[Sputum]] smear positive for [[acid-fast bacilli]] and nucleic acid amplification tests (NAAT) is used on sputum or any sterile fluid for rapid diagnosis and is positive for mycobacteria.
|-
|
*[[Necrotizing Pulmonary Infections|Necrotizing]] [[Pneumonia]]
|
*Any age group
*Acute, [[fulminant]] life threating complication of prior infection
*>100.4 °F fever, with [[Hemodynamically unstable|hemodynamic]] instability
*Worsening [[pneumonia]]-like symptoms
|
*CXR demonstrates multiple cavitary lesions
*[[Pleural effusion]] and [[empyema]] are common findings
|
*[[Complete blood count|CBC]] is positive for causative organism 
|-
|
*Loculated [[empyema]]
|
* Children and elderly are at risk
*Pleuritic [[chest pain]], [[dry cough]], [[fever]] with chills
*Dullness to [[Percussion of the lungs|percussion]] decreased [[breath sounds]], and reduced vocal resonance on examination
|
*[[Empyema]] appears lenticular in shape and has a thin wall with smooth luminal margins
|
*[[Thoracocentesis]]
|-
|
*[[Granulomatosis with polyangiitis]] ([[Wegener's granulomatosis|Wegener's]])<ref name="pmid10377211">{{cite journal |vauthors=Langford CA, Hoffman GS |title=Rare diseases.3: Wegener's granulomatosis |journal=Thorax |volume=54 |issue=7 |pages=629–37 |year=1999 |pmid=10377211 |pmc=1745525 |doi= |url=}}</ref>
|
*Women are more commonly effected than man<ref name="pmid12541109">{{cite journal |vauthors=Lee KS, Kim TS, Fujimoto K, Moriya H, Watanabe H, Tateishi U, Ashizawa K, Johkoh T, Kim EA, Kwon OJ |title=Thoracic manifestation of Wegener's granulomatosis: CT findings in 30 patients |journal=Eur Radiol |volume=13 |issue=1 |pages=43–51 |year=2003 |pmid=12541109 |doi=10.1007/s00330-002-1422-2 |url=}}</ref>
*Kidneys are also involved
*Upper respiratory tract symptoms, perforation of [[nasal septum]], [[chronic sinusitis]], [[otitis media]], [[mastoiditis]].
*Lower respiratory tract symptoms (e.g. [[hemoptysis]], [[cough]], [[dyspnea]])
*Renal symptoms, [[hematuria]], red cell [[casts]]
|
*Pulmonary nodules with cavities and infiltrates are a frequent manifestation on CXR
|
*Positive for [[P-ANCA]]
*Biopsy of the tissue involved shows necrotizing [[granulomas]]<ref name="pmid10377211">{{cite journal |vauthors=Langford CA, Hoffman GS |title=Rare diseases.3: Wegener's granulomatosis |journal=Thorax |volume=54 |issue=7 |pages=629–37 |year=1999 |pmid=10377211 |pmc=1745525 |doi= |url=}}</ref>
|-
|
*[[Rheumatoid nodule]]
|
*Elderly females of 40-50 age group
*Manifestation of [[rheumatoid arthritis]]
*Presents with other systemic symptoms including symmetric [[arthritis]] of the small joints of the hands and feet with morning stiffness are common manifestations
|
*Pulmonary nodules with cavitation are located in the upper lobe ([[Caplan syndrome]]) on X-ray
|
*Positive for both [[rheumatoid factor]] and anticyclic citrullinated peptide [[Antibody|antibody.]]
|-
|
*[[Sarcoidosis]]
|
*More common in African-American females
*Often [[asymptomatic]] except for [[Lymphadenopathy|enlarged lymph nodes]]<ref name="pmid11734441">{{cite journal |vauthors=Baughman RP, Teirstein AS, Judson MA, Rossman MD, Yeager H, Bresnitz EA, DePalo L, Hunninghake G, Iannuzzi MC, Johns CJ, McLennan G, Moller DR, Newman LS, Rabin DL, Rose C, Rybicki B, Weinberger SE, Terrin ML, Knatterud GL, Cherniak R |title=Clinical characteristics of patients in a case control study of sarcoidosis |journal=Am. J. Respir. Crit. Care Med. |volume=164 |issue=10 Pt 1 |pages=1885–9 |year=2001 |pmid=11734441 |doi=10.1164/ajrccm.164.10.2104046 |url=}}</ref>
*Associated with [[restrictive lung disease]]
*[[Erythema nodosum]]
*[[Lupus pernio]] (skin lesions on face resembling lupus)
*[[Bell's palsy|Bell palsy]]
*[[Epithelioid]] [[granuloma]]<nowiki/>s containing microscopic [[Schaumann bodies|Schaumann]] and asteroid bodies
|
*On CXR bilateral [[Lymphadenopathy|adenopathy]] and coarse reticular opacities are seen
*CT of the chest demonstrates extensive [[Hilar lymphadenopathy|hilar]] and mediastinal adenopathy
*Additional findings on CT include [[fibrosis]] (honeycomb, linear, or associated with bronchial distortion), pleural thickening, and ground-glass opacities.<ref name="pmid2748828">{{cite journal |vauthors=Brauner MW, Grenier P, Mompoint D, Lenoir S, de Crémoux H |title=Pulmonary sarcoidosis: evaluation with high-resolution CT |journal=Radiology |volume=172 |issue=2 |pages=467–71 |year=1989 |pmid=2748828 |doi=10.1148/radiology.172.2.2748828 |url=}}</ref>
|
*Biopsy of lung shows non-[[caseating]] [[granuloma]]
|-
|
*[[Bronchiolitis obliterans]] ([[Cryptogenic organizing pneumonia]])<ref name="pmid9724431">{{cite journal |vauthors=Murphy J, Schnyder P, Herold C, Flower C |title=Bronchiolitis obliterans organising pneumonia simulating bronchial carcinoma |journal=Eur Radiol |volume=8 |issue=7 |pages=1165–9 |year=1998 |pmid=9724431 |doi=10.1007/s003300050527 |url=}}</ref><ref name="pmid19561910">{{cite journal |vauthors=Al-Ghanem S, Al-Jahdali H, Bamefleh H, Khan AN |title=Bronchiolitis obliterans organizing pneumonia: pathogenesis, clinical features, imaging and therapy review |journal=Ann Thorac Med |volume=3 |issue=2 |pages=67–75 |year=2008 |pmid=19561910 |pmc=2700454 |doi=10.4103/1817-1737.39641 |url=}}</ref>
|
*Rare condition and mimics [[asthma]], [[pneumonia]] and [[emphysema]]
*It is caused by [[drug]] or [[toxin]] exposure, [[autoimmune diseases]], [[viral infections]], or [[radiation injury]]
*People working in industries are at high risk
*Presents with [[Fever|feve]]<nowiki/>r, [[cough]], [[wheezing]], and [[shortness of breath]] over weeks to months<ref name="pmid2805873">{{cite journal |vauthors=Cordier JF, Loire R, Brune J |title=Idiopathic bronchiolitis obliterans organizing pneumonia. Definition of characteristic clinical profiles in a series of 16 patients |journal=Chest |volume=96 |issue=5 |pages=999–1004 |year=1989 |pmid=2805873 |doi= |url=}}</ref>
|
*Common appearance on CT is patchy [[Consolidation (medicine)|consolidation,]]<nowiki/>often accompanied by ground-glass opacities and nodules.<ref name="pmid8109493">{{cite journal |vauthors=Lee KS, Kullnig P, Hartman TE, Müller NL |title=Cryptogenic organizing pneumonia: CT findings in 43 patients |journal=AJR Am J Roentgenol |volume=162 |issue=3 |pages=543–6 |year=1994 |pmid=8109493 |doi=10.2214/ajr.162.3.8109493 |url=}}</ref>
|
*Biopsy of the lung<ref name="pmid19561910">{{cite journal |vauthors=Al-Ghanem S, Al-Jahdali H, Bamefleh H, Khan AN |title=Bronchiolitis obliterans organizing pneumonia: pathogenesis, clinical features, imaging and therapy review |journal=Ann Thorac Med |volume=3 |issue=2 |pages=67–75 |year=2008 |pmid=19561910 |pmc=2700454 |doi=10.4103/1817-1737.39641 |url=}}</ref>
*[[Pulmonary function tests]] demonstrate low fev1/fvc
|-
|
*[[Langerhans cell histiocytosis|Langerhans]] cell [[Langerhans cell histiocytosis|Histiocytosis]]<ref name="pmid22429393">{{cite journal |vauthors=Suri HS, Yi ES, Nowakowski GS, Vassallo R |title=Pulmonary langerhans cell histiocytosis |journal=Orphanet J Rare Dis |volume=7 |issue= |pages=16 |year=2012 |pmid=22429393 |pmc=3342091 |doi=10.1186/1750-1172-7-16 |url=}}</ref>
|
*Exclusively afflicts smokers, with a peak age of onset of between 20 and 40 years
*Clinical presentation varies, but symptoms generally include months of dry [[cough]], [[fever]], [[night sweats]], and [[weight loss]]
*Skin is involved in 80% of the cases, scaly [[erythematous rash]] is typical
|
*Thin-walled cystic cavities are the usual radiographic manifestation, observed in over 50% of patients by either CXR or CT scans.<ref name="pmid2787035">{{cite journal |vauthors=Moore AD, Godwin JD, Müller NL, Naidich DP, Hammar SP, Buschman DL, Takasugi JE, de Carvalho CR |title=Pulmonary histiocytosis X: comparison of radiographic and CT findings |journal=Radiology |volume=172 |issue=1 |pages=249–54 |year=1989 |pmid=2787035 |doi=10.1148/radiology.172.1.2787035 |url=}}</ref>
|
*Biopsy of the lung
|}
|}


Revision as of 00:02, 22 September 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]

Overview

Langerhans cell histiocytosis must be differentiated from other diseases that cause bone pain, cutaneous lesions, hepatosplenomegaly, and palpable lymph nodes, such as cat-scratch disease, mastocytosis, sinus histiocytosis with massive lymphadenopathy.[1][2]

Differentiating Langerhans cell histiocytosis from other Diseases

Disease Rash Characteristics Signs and Symptoms Associated Conditions Images
Cutaneous T cell lymphoma/Mycosis fungoides[3]

courtesy of wikipedia.org

Pityriasis rosea[4]
  • Pink or salmon in color, which may be scaly; referred to as "herald patch"
  • Oval shape
  • Long axis oriented along the cleavage lines
  • Distributed on the trunk and proximal extremities
  • Squamous marginal collarette and a “fir-tree” or “Christmas tree” distribution on posterior trunk
  • Secondary to viral infections
  • Resolves spontaneously after 6-8 weeks

courtesy of https://commons.wikimedia.org

Pityriasis lichenoides chronica
  • Recurrent lesions are usually less evenly scattered than in cases of psoriasis
  • Brownish red or orange-brown in color
  • Lesions are capped by a single detachable, opaque, mica-like scale
  • Often leave hypopigmented macules

courtesy of http://www.regionalderm.com

Nummular dermatitis[7]
  • Lesions commonly relapse after occasional remission or may persist for long periods
  • Pruritus

courtesy of your-doctor.net dermatology atlas

Secondary syphilis[8]
  • Round, coppery, red colored lesions on palms and soles
  • Papules with collarette of scales

courtesy of wikipedia.org

Bowen’s disease[9]
  • Erythematous, small, scaly plaque, which enlarges erratically over time
  • Scale is usually yellow or white and it is easily detachable without any bleeding
  • Well-defined margins

courtesy of wikipedia.org

Exanthematous pustulosis[11]

commons.wikimedia.org

Hypertrophic lichen planus[13]

courtesy of wikipedia.org

Sneddon–Wilkinson disease[15]
  • Flaccid pustules that are often generalized and have a tendency to involve the flexural areas
  • Annular configuration

courtesy http://www.atlasdermatologico.com.br/disease.jsf?diseaseId=427

Small plaque parapsoriasis[19]
  • Erythematous plaques with fine scaly surface
  • May present with elongated, finger-like patches
  • Symmetrical distribution on the flanks
  • Known as digitate dermatosis
  • Lesions may be asymptomatic
  • May be mildly pruritic
  • May fade or disappear after sun exposure during the summer season, but typically recur during the winter

courtesy http://www.regionalderm.com

Intertrigo[21]

courtesy of cdc.gov

Langerhans cell histiocytosis[22]
  • Scaling and crusting of scalp

courtesy http://www.regionalderm.com

Tinea manuum/pedum/capitis[26]
  • Scaling, flaking, and sometimes blistering of the affected areas
  • Hair loss with a black dot on scalp in case of tinea capitis

courtesy regionalderm.com

Seborrheic dermatitis

courtesy of wikipedia.com

Langerhans cell histiocytosis must be differentiated from other diseases that cause bone pain, edema, and erythema.

Disease Findings
Soft tissue infection
(Commonly cellulitis) 		History of skin warmness, swelling and erythema. Bone probing is the definite way to differentiate them.[29][30]
Osteonecrosis
(Avascular necrosis of bone) 		Previous history of trauma, radiation, use of steroids or biphosphonates are suggestive to differentiate osteonecrosis from ostemyelitis.[31][32]
MRI is diagnostic.[33][34]
Charcot joint Patients with Charcot joint commonly develop skin ulcerations that can in turn lead to secondary osteomyelitis.
Contrast-enhanced MRI may be diagnostically useful if it shows a sinus tract, replacement of soft tissue fat, a fluid collection, or extensive marrow abnormalities. Bone biopsy is the definitive diagnostic modality.[35]
Bone tumors May present with local pain and radiographic changes consistent with osteomyelitis.
Tumors most likely to mimic osteomyelitis are osteoid osteomas and chondroblastomas that produce small, round, radiolucent lesions on radiographs.[36]
Gout Gout presents with joint pain and swelling. Joint aspiration and crystals in synovial fluid is diagnostic for gout.[37]
SAPHO syndrome
(Synovitis, acne, pustulosis, hyperostosis, and osteitis) 		SAPHO syndrome consists of a wide spectrum of neutrophilic dermatosis associated with aseptic osteoarticular lesions.
It can mimic osteomyelitis in patients who lack the characteristic findings of pustulosis and synovitis.
The diagnosis is established via clinical manifestations; bone culture is sterile in the setting of osteitis.
Sarcoidosis It involves most frequently the pulmonary parenchyma and mediastinal lymph nodes, but any organ system can be affected.
Bone involvement is often bilateral and bones commonly affected include the middle and distal phalanges (producing “sausage finger”), wrist, skull, vertebral column, and long bones.
Langerhans' cell histiocytosis The disease usually manifests in the skeleton and solitary bone lesions are encountered twice as often as multiple bone lesions.
The tumours can develop in any bone, but most commonly originate in the skull and jaw, followed by vertebral bodies, ribs, pelvis, and long bones.[38]


Differential diagnosis

Langerhans cell histiocytosis must be differentiated from other cavitary lung lesions.

Causes of

lung cavities

Differentiating Features Differentiating radiological findings Diagnosis

confirmation

  • CXR and CT demonstrates cavities in the upper lobe of the lung
  • Sputum smear positive for acid-fast bacilli and nucleic acid amplification tests (NAAT) is used on sputum or any sterile fluid for rapid diagnosis and is positive for mycobacteria.
  • Any age group
  • Acute, fulminant life threating complication of prior infection
  • >100.4 °F fever, with hemodynamic instability
  • Worsening pneumonia-like symptoms
  • CBC is positive for causative organism
  • Children and elderly are at risk
  • Empyema appears lenticular in shape and has a thin wall with smooth luminal margins
  • Pulmonary nodules with cavities and infiltrates are a frequent manifestation on CXR
  • Elderly females of 40-50 age group
  • Manifestation of rheumatoid arthritis
  • Presents with other systemic symptoms including symmetric arthritis of the small joints of the hands and feet with morning stiffness are common manifestations
  • Pulmonary nodules with cavitation are located in the upper lobe (Caplan syndrome) on X-ray
  • On CXR bilateral adenopathy and coarse reticular opacities are seen
  • CT of the chest demonstrates extensive hilar and mediastinal adenopathy
  • Additional findings on CT include fibrosis (honeycomb, linear, or associated with bronchial distortion), pleural thickening, and ground-glass opacities.[45]
  • Common appearance on CT is patchy consolidation,often accompanied by ground-glass opacities and nodules.[49]
  • Exclusively afflicts smokers, with a peak age of onset of between 20 and 40 years
  • Clinical presentation varies, but symptoms generally include months of dry cough, fever, night sweats, and weight loss
  • Skin is involved in 80% of the cases, scaly erythematous rash is typical
  • Thin-walled cystic cavities are the usual radiographic manifestation, observed in over 50% of patients by either CXR or CT scans.[51]
  • Biopsy of the lung


References

  1. ↑ 1.0 1.1 Langerhans cell histiocytosis. PathologyOutlines (2015) http://www.pathologyoutlines.com/topic/lymphnodesLCH.html Accessed on February, 4 2016
  2. ↑ 2.0 2.1 Langerhans Cell Histiocytosis. National Organization for Rare Disoders (2015) http://rarediseases.org/rare-diseases/langerhans-cell-histiocytosis/ Accessed on February, 4 2016
  3. ↑ "Mycosis Fungoides and the Sézary Syndrome Treatment (PDQ®)—Patient Version - National Cancer Institute".
  4. ↑ Mahajan K, Relhan V, Relhan AK, Garg VK (2016). "Pityriasis Rosea: An Update on Etiopathogenesis and Management of Difficult Aspects". Indian J Dermatol. 61 (4): 375–84. doi:10.4103/0019-5154.185699. PMC 4966395. PMID 27512182.
  5. ↑ Prantsidis A, Rigopoulos D, Papatheodorou G, Menounos P, Gregoriou S, Alexiou-Mousatou I, Katsambas A (2009). "Detection of human herpesvirus 8 in the skin of patients with pityriasis rosea". Acta Derm. Venereol. 89 (6): 604–6. doi:10.2340/00015555-0703. PMID 19997691.
  6. ↑ Smith KJ, Nelson A, Skelton H, Yeager J, Wagner KF (1997). "Pityriasis lichenoides et varioliformis acuta in HIV-1+ patients: a marker of early stage disease. The Military Medical Consortium for the Advancement of Retroviral Research (MMCARR)". Int. J. Dermatol. 36 (2): 104–9. PMID 9109005.
  7. ↑ Jiamton S, Tangjaturonrusamee C, Kulthanan K (2013). "Clinical features and aggravating factors in nummular eczema in Thais". Asian Pac. J. Allergy Immunol. 31 (1): 36–42. PMID 23517392.
  8. ↑ "STD Facts - Syphilis".
  9. ↑ Neagu TP, Ţigliş M, Botezatu D, Enache V, Cobilinschi CO, Vâlcea-Precup MS, GrinŢescu IM (2017). "Clinical, histological and therapeutic features of Bowen's disease". Rom J Morphol Embryol. 58 (1): 33–40. PMID 28523295.
  10. ↑ Murao K, Yoshioka R, Kubo Y (2014). "Human papillomavirus infection in Bowen disease: negative p53 expression, not p16(INK4a) overexpression, is correlated with human papillomavirus-associated Bowen disease". J. Dermatol. 41 (10): 878–84. doi:10.1111/1346-8138.12613. PMID 25201325.
  11. ↑ Szatkowski J, Schwartz RA (2015). "Acute generalized exanthematous pustulosis (AGEP): A review and update". J. Am. Acad. Dermatol. 73 (5): 843–8. doi:10.1016/j.jaad.2015.07.017. PMID 26354880.
  12. ↑ Schmid S, Kuechler PC, Britschgi M, Steiner UC, Yawalkar N, Limat A, Baltensperger K, Braathen L, Pichler WJ (2002). "Acute generalized exanthematous pustulosis: role of cytotoxic T cells in pustule formation". Am. J. Pathol. 161 (6): 2079–86. doi:10.1016/S0002-9440(10)64486-0. PMC 1850901. PMID 12466124.
  13. ↑ Ankad BS, Beergouder SL (2016). "Hypertrophic lichen planus versus prurigo nodularis: a dermoscopic perspective". Dermatol Pract Concept. 6 (2): 9–15. doi:10.5826/dpc.0602a03. PMC 4866621. PMID 27222766.
  14. ↑ Shengyuan L, Songpo Y, Wen W, Wenjing T, Haitao Z, Binyou W (2009). "Hepatitis C virus and lichen planus: a reciprocal association determined by a meta-analysis". Arch Dermatol. 145 (9): 1040–7. doi:10.1001/archdermatol.2009.200. PMID 19770446.
  15. ↑ Lutz ME, Daoud MS, McEvoy MT, Gibson LE (1998). "Subcorneal pustular dermatosis: a clinical study of ten patients". Cutis. 61 (4): 203–8. PMID 9564592.
  16. ↑ Kasha EE, Epinette WW (1988). "Subcorneal pustular dermatosis (Sneddon-Wilkinson disease) in association with a monoclonal IgA gammopathy: a report and review of the literature". J. Am. Acad. Dermatol. 19 (5 Pt 1): 854–8. PMID 3056995.
  17. ↑ Delaporte E, Colombel JF, Nguyen-Mailfer C, Piette F, Cortot A, Bergoend H (1992). "Subcorneal pustular dermatosis in a patient with Crohn's disease". Acta Derm. Venereol. 72 (4): 301–2. PMID 1357895.
  18. ↑ Sauder MB, Glassman SJ (2013). "Palmoplantar subcorneal pustular dermatosis following adalimumab therapy for rheumatoid arthritis". Int. J. Dermatol. 52 (5): 624–8. doi:10.1111/j.1365-4632.2012.05707.x. PMID 23489057.
  19. ↑ Lambert WC, Everett MA (1981). "The nosology of parapsoriasis". J. Am. Acad. Dermatol. 5 (4): 373–95. PMID 7026622.
  20. ↑ Väkevä L, Sarna S, Vaalasti A, Pukkala E, Kariniemi AL, Ranki A (2005). "A retrospective study of the probability of the evolution of parapsoriasis en plaques into mycosis fungoides". Acta Derm. Venereol. 85 (4): 318–23. doi:10.1080/00015550510030087. PMID 16191852.
  21. ↑ Janniger CK, Schwartz RA, Szepietowski JC, Reich A (2005). "Intertrigo and common secondary skin infections". Am Fam Physician. 72 (5): 833–8. PMID 16156342.
  22. ↑ Satter EK, High WA (2008). "Langerhans cell histiocytosis: a review of the current recommendations of the Histiocyte Society". Pediatr Dermatol. 25 (3): 291–5. doi:10.1111/j.1525-1470.2008.00669.x. PMID 18577030.
  23. ↑ Stull MA, Kransdorf MJ, Devaney KO (1992). "Langerhans cell histiocytosis of bone". Radiographics. 12 (4): 801–23. doi:10.1148/radiographics.12.4.1636041. PMID 1636041.
  24. ↑ Sholl LM, Hornick JL, Pinkus JL, Pinkus GS, Padera RF (2007). "Immunohistochemical analysis of langerin in langerhans cell histiocytosis and pulmonary inflammatory and infectious diseases". Am. J. Surg. Pathol. 31 (6): 947–52. doi:10.1097/01.pas.0000249443.82971.bb. PMID 17527085.
  25. ↑ Grois N, Pötschger U, Prosch H, Minkov M, Arico M, Braier J, Henter JI, Janka-Schaub G, Ladisch S, Ritter J, Steiner M, Unger E, Gadner H (2006). "Risk factors for diabetes insipidus in langerhans cell histiocytosis". Pediatr Blood Cancer. 46 (2): 228–33. doi:10.1002/pbc.20425. PMID 16047354.
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  51. ↑ Moore AD, Godwin JD, Müller NL, Naidich DP, Hammar SP, Buschman DL, Takasugi JE, de Carvalho CR (1989). "Pulmonary histiocytosis X: comparison of radiographic and CT findings". Radiology. 172 (1): 249–54. doi:10.1148/radiology.172.1.2787035. PMID 2787035.
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