9 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... but often not specific ... @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Association with disease ... searched for when ANA ... erythematosus #diagnosis #rheumatology ... #table #ANA
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
their Disease Associations ... ANA - Non-specific ... #diagnosis #table ... #rheumatology # ... antibodies
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen - Allergen-specific ... lgE antibodies ... When the specific ... during hemolytic disease ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Action: Allergen-specific ... Action: IgG/lgM antibodies ... reaction, Haemolytic disease ... #allergy #table
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... relapse No specific ... autoantibodies (antinuclear ... antibodies, rheumatoid ... workup #treatment #rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Anti-Ro/SSA ab (specific ... ab • RF • Antinuclear ... antibodies ≥ 1: ... IV RTA, TYPE I ... Sjogrens #Syndrome #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... erythematosus (SLE) - Antinuclear ... antibodies, which ... are more specific ... Tests for All Types
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
Sarcoidosis • Behcet disease ... not sensitive or specific ... Anti-Matrilin-1 Ab ○ Antibodies ... to type II collagen ... Polychondritis #rheumatology