6 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antibody) and ANCA ... Polymyositis and dermatomyositis ... polyangiitis without renal ... + 30-60% • Renal-limited ... antibodies #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... Associated - ANCA ... purpura: strong sign ... • Urinalysis (Renal ... differential #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulmonary and renal ... purpura: Strong sign ... Pauci Immune (ANCA ... No Granulomas (ANCA ... Differential #Diagnosis #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... Erythematosus #Diagnosis #Rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Anti-NXP-2 Dermatomyositis ... chest (in a V-sign ... shoulders (in a shawl sign ... • Clear cell renal ... diagnosis #management #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... • Anti-NXP2 (ANA ... papules and Gottron sign ... ) • Shawl sign ... Myositis #Myopathy #rheumatology