9 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... ANA ≠ Autoimmune Disease ... but often not specific ... • Rheumatic Diseases ... #patterns #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and their Disease ... connective tissue disease ... (TTG) - Celiac disease ... #Associations #diseases ... antibodies
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 ... with auto-immune diseases ... erythematosus #diagnosis #rheumatology ... #table #ANA
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
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... autoantibodies (antinuclear ... antibodies, rheumatoid ... IgG4 #Related #Disease ... workup #treatment #rheumatology
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
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
multisystemic disease ... associated with other diseases ... demyelinating disease ... peripheral Thyroid Disease ... Tracheobronchial disease
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... Tests for All Types ... exclude inflammatory disease ... connective-tissue disease ... #Rheumatic #Disease
Relapsing Polychondritis

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

Who?
• Most frequently: 40
immunologically mediated diseases ... Sarcoidosis • Behcet disease ... not sensitive or specific ... to type II collagen ... Polychondritis #rheumatology