12 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... lupus erythematosus ... in drug-induced SLE ... ) • Systemic sclerosis ... cases • Sjögren syndrome
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Antinuclear (ANA ... severe disease & renal ... block • Sjogren syndrome ... #Lupus #Erythematosus
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
process whereas secondary ... diseases • In secondary ... (PBC), or with systemic ... lupus erythematosus ... (SLE) Signs /
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... lupus erythematosus ... APLA/LAC: • Renal ... #Systemic #Lupus
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... months to years) Systemic ... Lupus Erythematosus ... • Immunologic Workup ... #table #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Demyelinating syndromes ... #SLE #systemic ... #erythematosus # ... signs #symptoms
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
antibodies and Systemic ... overlap syndromes ... autoantibodies #Systemic ... #lupus #erythematosus ... #rheumatology #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... ischemia - Skin: erythematous ... lupus erythematosus ... purpura: strong sign ... vasculitis, and SLE
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... lupus erythematosus ... lupus erythematosus ... [SLE], AOSD) • ... Diagnosis #Management #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Type III Often Secondary ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... (SLE), rheumatoid