60 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... IBD • RA • SLE ... Antiphospholipid-antibody ... #differential #diagnosis ... #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
; common in SLE, ... polyangiitis U1-RNP antibody ... Endomyseal antibody ... #diagnosis #table ... #rheumatology #
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
A Antinuclear Antibody ... (ANA) M Mucositis ... Pleuritis) H Hematologic ... #IMDAMNSHARP #sle ... erythematosus #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... in drug-induced SLE ... #antibodies #diagnosis ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Splenomegaly - CTD (SLE ... Associated - SLE ... #hematology #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... Associated with skin ... Ann Marie Kumfer ... #Summary #diagnosis ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... erythematosus (SLE ... erythematosus (SLE ... #patterns #rheumatology ... #diagnosis #differential
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Secondary: CTD: SLE ... Vasculitis • ANCA ... Vasculitis: • Behcet Disease ... #dermatology #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PT, aPTT(liver disease ... function test, ANA ... (e.g., SLE), anti-phospholipid ... #hematology