11 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
lupus erythematosus ... in drug-induced SLE ... cases • Sjögren syndrome ... Jcortesizaguirr #ANA ... antibodies #diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... • Immunologic Workup ... : - ANA > ... Evolution: Chronic disease ... #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... (ANA) - 95% - Initial ... #SLE #Summary # ... diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... findings (ANA, ... • Anti-Ro/SSA autoantibodies ... Serositis Labs: • ANA ... leukemia • Lung
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Summary Cryoglobulins ... • Autoimmune diseases ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
+MPO) • Cryoglobulinemic ... ischemia - Skin: erythematous ... lupus erythematosus ... SLE) • Urinalysis ... differential #diagnosis #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
searched for when ANA ... overlap syndromes ... #erythematosus ... #diagnosis #rheumatology ... #table #ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
: - ANA > ... of autoantibodies ... months to years) Systemic ... Lupus Erythematosus ... : - ANA >
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... macular Vasculitis) Autoantibodies ... Evans • ITP • Cl-NH ... Sneddon-Wilkinson disease ... Differential #Diagnosis #Oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
- Summary Cancer ... rendering the immune system ... cells can indicate disease ... #diagnosis #workup ... #oncology #hematology