10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
(ANA) ANA or Anti-NucIear ... Disease! ... likely it will be clinically ... : Lupus (SLE), Systemic ... #rheumatology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... : • ANCA-associated ... Serositis Labs: • ANA ... • (-) ANA + (+ ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pain • Kawasaki Disease ... (Granulomatous disease ... atherosclerotic disease ... most important diseases ... , and SLE) • Urinalysis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... : - ANA 95-100% ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... #Diagnosis #autoantibodies
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
with disease activity ... searched for when ANA ... with auto-immune diseases ... #diagnosis #rheumatology ... #table #ANA
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Erythematosus ( ... Workup: - ANA ... : Chronic disease ... #diagnosis #management
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease ... Asia • HLA-B51 association ... #diagnosis #management ... #signs #symptoms ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Systemic rheumatic diseases ... disease, drug reactions ... most important diseases ... (GRANULOMATOUS DISEASE ... HBV Kawasaki Disease
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... • Autoimmune diseases ... DDX: • ANCA (Antineutrophil ... (e.g. systemic lupus ... erythematosus (
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Antibodies targeting ... had more severe disease ... three days #AntiNXP2DM ... #AntiNXP2 #Dermatomyositis ... #diagnosis #management