8 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... (SLE), Systemic ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #Antibodies #ANA
SLE (Systemic Lupus Erythematosus)

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

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... Types II and III ... DDX: • ANCA (Antineutrophil ... syndrome) #Cryoglobulinemia ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammatory lesions-interstitial ... LFT • ESR • ANA ... ) pattern: antibodies ... SLE) • Urinalysis ... #rheumatology #
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 ... searched for when ANA ... #diagnosis #rheumatology ... #table #ANA
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA, SLE ... ab • RF • Antinuclear ... salivary ducts Clinical ... MALT Lymphoma • Lung ... #Rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
as SLE, atherosclerotic ... ischemia • Skin: Erythematous ... + MPO) Cryoglobulinemic ... inflammatory lesions - interstitial ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
(SLE) - Antinuclear ... antibody (ANA) ... antibodies, which ... , a negative ANA ... and RF (if clinical