5 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... dermatomyositis ... polyangiitis without renal ... Jcortesizaguirr #ANA ... #diagnosis #rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Antibodies targeting ... chest (in a V-sign ... • Clear cell renal ... #AntiNXP2 #Dermatomyositis ... diagnosis #management #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
renal abnormalities ... purpura: strong sign ... LFT • ESR • ANA ... ) pattern: antibodies ... differential #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... Gottron sign) ... • Shawl sign • ... (ANA present 80% ... Myositis #Myopathy #rheumatology