9 results
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
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 ... #Syndrome #Rheumatology ... #Diagnosis #Management
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... and Systemic lupus ... overlap syndromes ... there is no common ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Classification: ... dermatomyositis, Sjogren ... Kidney disease common ... #Diagnosis #Rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... lung disease (GLILD ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... • Autoimmune diseases ... lupus erythematosus ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... ) pattern: antibodies ... SLE) • Urinalysis ... #rheumatology # ... classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
as SLE, atherosclerotic ... Nodosa: • PAN most commonly ... ischemia • Skin: Erythematous ... often causes arthritis ... #Rheumatology
Relapsing Polychondritis

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

Who?
• Most frequently: 40
as: • SLE • RA ... • Sjogren’s syndrome ... Anti-Matrilin-1 Ab ○ Antibodies ... Polychondritis #rheumatology ... #diagnosis #management