14 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... in drug-induced SLE ... • Sjögren syndrome ... #antibodies #diagnosis ... #rheumatology #
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... (SLE), Sjogren's ... Syndrome (SS), ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (SLE), Sjogren's ... , Interstitial Pulmonary ... #Antibodies #ANA ... #patterns #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... - Summary Antinuclear ... (ANA) - 95% - Initial ... heart block • Sjogren ... diagnosis #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... searched for when ANA ... overlap syndromes ... #diagnosis #rheumatology ... #table #ANA
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... +MPO) • Cryoglobulinemic ... ) pattern: antibodies ... SLE) • Urinalysis ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... DDX: • ANCA (Antineutrophil ... systemic lupus erythematosus ... syndrome) #Cryoglobulinemia ... classification #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
: • ANCA-associated ... dermatomyositis, Sjogren ... syndrome, and mixed ... Arthritis: • Joint pain ... #Diagnosis #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... ), ANCA associated ... Systemic lupus erythematosus ... (SLE), Sarcoidosis ... #rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Sjogren's Syndrome ... overlaps with RA, SLE ... Syndrome Diagnosis ... ab • RF • Antinuclear ... #Syndrome #Rheumatology