Differentiating Diabetes mellitus type 1 from other diseases: Difference between revisions

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{| class="wikitable"
{| class="wikitable"
!
! rowspan="2" |Disease
! colspan="6" |History and symptoms
! colspan="5" |History and symptoms
!Physical examination
! colspan="8" |Laboratory findings
!
! rowspan="2" |Additional findings
!Investigations
!
!
!
!
!
!
!
!
|-
|-
!
!Polyuria
!Polyuria
!Polydipsia
!Polydipsia
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!Weight loss
!Weight loss
!Weight gain
!Weight gain
!Positive medical history
!General appearance
!Skin manifestations
!Serum glucose
!Serum glucose
!Urinary Glucose
!Urinary Glucose
!Urine Ph
!Urine PH
!Serum Sodium
!Serum Sodium
!Urinary Glucose
!Urinary Glucose
!24 hrs cortisol level
!24 hrs cortisol level
!C-peptide level
!C-peptide level
!Auto antibodies
!Serum glucagon
!Serum glucagon
|-
|-
!'''Type 1 Diabetes mellitus'''
|'''Type 1 Diabetes mellitus'''
!
|
!
|
!
|
!
|
!
|
!✖
|'''↑'''
!Usually patients are young and lean
|''''''''''''
!―
|Normal
!'''↑'''
|Normal
!''''''
|
!N
|Normal
!N
|'''↓'''
!''''''
|Normal
!N
|Auto antibodies present ([[GAD65|Anti GAD-65]] and anti insulin anti bodies)
!'''↓'''
!
* Measurements of IA2 autoantibodies within 6 months of diagnosis can help differentiate between type 1 and type 2 DM
* Anti-GAD65 usually present
* Anti-insulin autoantibodies usually present
!
|-
|-
|Type 2 Diabetes mellitus
|Type 2 Diabetes mellitus
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|✔
|✔
|✔
|✔
|✖
|✔
|✔
|
|
|Usually patients are middle age or elderly and obese
|'''↑'''
|Acanthosis nigricans
|'''↑'''
|'''↑'''
|Normal
|Normal
|'''↑'''
|'''↑'''
|N
|Normal
|N
|Normal
|'''↑'''
|'''↑'''
|N
|[[Acanthosis nigricans]]
|N
|―
|N
|-
|-
|MODY
|MODY
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|✔
|✔
|✔
|✔
|
| -
|✔
|✔
|✖
|―
|―
|'''↑'''
|'''↑'''
|'''↑'''
|'''↑'''
|N
|Normal
|N
|Normal
|'''↑'''
|'''↑'''
|N
|Normal
|Normal
|N
|N
|―
|―
|N
|-
|-
|Psychogenic polydipsia
|Psychogenic polydipsia
|✔
|✔
|✔
|✔
|
| -
|
| -
|
| -
|
|Normal
|
|Normal
|
|Normal
|N
|N
|N
|'''↓'''
|'''↓'''
|N
|Normal
|N
|Normal
|N
|Normal
|Normal
|―
|―
|N
|-
|-
|Diabetes insipidus
|Diabetes insipidus
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|✖
|✖
|✖
|✖
|
|Normal
|
|Normal
|―
|Normal
|N
|N
|
|'''↑'''
|'''↑'''
|N
|Normal
|N
|Normal
|N
|Normal
|Normal
|―
|―
|N
|-
|-
|Transient hyperglycemia
|Transient hyperglycemia
|N
| -
|
| -
|
| -
|
| -
|
| -
|✔
|―
|―
|'''↑'''
|'''↑'''
|'''↑'''
|'''↑'''
|
|Normal
|N
|Normal
|'''↑'''
|'''↑'''
|N
|Normal
|N
|Normal
|
|N/'''↑'''
|N
|In hospitalized patients especially in [[ICU]] and [[CCU]]
|-
|-
|Steroid therapy
|Steroid therapy
|✔
|✔
|
| -
|
| -
|
| -
|✔
|✔
|✔
|―
|Acanthosis nigricans
|'''↑'''
|'''↑'''
|'''↑'''
|'''↑'''
|
|Normal
|
|Normal
|'''↑'''
|'''↑'''
|'''↑'''
|'''↑'''
|N
|N/'''↑'''
|
|N/'''↑'''
|N
|Acanthosis nigricans,
|-
|-
|RTA 1
|RTA 1
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|✔
|✔
|✖
|✖
|
|Normal
|
|Normal
|―
|N
|―
|'''↓'''
|'''↓'''
|
|Normal
|'''↑'''
|'''↑'''
|N
|Normal
|N
|Normal
|Normal
|―
|―
|N
|-
|-
|Glucagonoma
|Glucagonoma
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|✖
|✖
|✖
|✖
|✖
|―
|Necrolytic migratory erythema (NME) 
|'''↑'''
|'''↑'''
|
|Normal
|Normal
|Normal
|
|
|
|Normal
|
|Normal
|N
|N
|―
|'''↑'''
|'''↑'''
|Necrolytic migratory erythema
|-
|-
|Cushing disease
|Cushing syndrome
|✖
|✖
|✖
|✖
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|✖
|✖
|✔
|✔
|✖
|Patients can present with moon face,
obesity and buffalo hump
|Acanthosis nigricans
|'''↑'''
|'''↑'''
|―
|―
|
|Normal
|'''N'''
|''''''
|N/'''↑'''
|N/'''↑'''
|'''↑'''
|'''↑'''
|N
|Normal
|
|Normal
|N
|Patients can present with moon face,
obesity and buffalo hump
|-
|-
|Hypothyroidism
|Hypothyroidism
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|✖
|✖
|✔
|✔
|
|Normal
|Patients may present with weight gain and swelling of face
|Normal
|
|Normal
|N
|Normal
|
|Normal
|
|Normal
|'''N'''
|Normal
|N
|Normal
|N
|N
|Antibodies assocaited with hypothyroidism are:
|Antibodies assocaited with hypothyroidism are:
* Thyroid Peroxidase Antibody
* Thyroid Peroxidase Antibody
* Thyroglobulin Antibody
* Thyroglobulin Antibody
* Thyroid Stimulating Hormone Receptor Antibody  
* Thyroid Stimulating Hormone Receptor Antibody  
|N
|}
|}



Revision as of 16:47, 7 March 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Type 1 DM must be differentiated from type 2 DM, MODY-DM, psychogenic polydipsia, diabetes insipidus, transient hyperglycemia, steroid therapy, renal tubular acidosis type-1, glucagonoma, cushing's syndrome, and hypothyroidism.

Differentiating Diabetes mellitus type 1 from other Diseases

Differential diagnosis of type 1 DM, include: [1][2][3]

Disease History and symptoms Laboratory findings Additional findings
Polyuria Polydipsia Polyphagia Weight loss Weight gain Serum glucose Urinary Glucose Urine PH Serum Sodium Urinary Glucose 24 hrs cortisol level C-peptide level Serum glucagon
Type 1 Diabetes mellitus '↑' Normal Normal Normal Normal Auto antibodies present (Anti GAD-65 and anti insulin anti bodies)
Type 2 Diabetes mellitus Normal Normal Normal Normal Acanthosis nigricans
MODY - Normal Normal Normal Normal N
Psychogenic polydipsia - - - Normal Normal Normal Normal Normal Normal Normal
Diabetes insipidus Normal Normal Normal Normal Normal Normal Normal
Transient hyperglycemia - - - - - Normal Normal Normal Normal N/ In hospitalized patients especially in ICU and CCU
Steroid therapy - - - Normal Normal N/ N/ Acanthosis nigricans,
RTA 1 Normal Normal Normal Normal Normal Normal
Glucagonoma Normal Normal Normal Normal Normal Necrolytic migratory erythema
Cushing syndrome Normal N/ Normal Normal Patients can present with moon face,

obesity and buffalo hump

Hypothyroidism Normal Normal Normal Normal Normal Normal Normal Normal Antibodies assocaited with hypothyroidism are:
  • Thyroid Peroxidase Antibody
  • Thyroglobulin Antibody
  • Thyroid Stimulating Hormone Receptor Antibody

References

  1. Barrett TG (2007). "Differential diagnosis of type 1 diabetes: which genetic syndromes need to be considered?". Pediatr Diabetes. 8 Suppl 6: 15–23. doi:10.1111/j.1399-5448.2007.00278.x. PMID 17727381.
  2. Type 1 Diabetes mellitus "Dennis Kasper, Anthony Fauci, Stephen Hauser, Dan Longo, J. Larry Jameson, Joseph Loscalzo"Harrison's Principles of Internal Medicine, 19e Accessed on December 27th,2016
  3. "namrata".

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