13 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... tissue disease ... Juvenile Idiopathic Arthritis ... Syndrome (SS), Polymyositis ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
erythematosus ( ... Syndrome (SS), Polymyositis ... : Lupus (SLE), Systemic ... , Sjögren Syndrome ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... erythematosus ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... , inflammatory arthritis ... Non-autoimmune rheumatologic ... pain • Swan neck/Ulnar ... #Diagnosis #Rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Initial screening test ... #Systemic #Lupus ... #Erythematosus ... #rheumatology #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
, Cogan's Syndrome ... (RA), Systemic lupus ... erythematosus ( ... SLE), Sarcoidosis ... Differential #Diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... Demyelinating syndromes ... pain (20%) Renal disease ... #erythematosus # ... symptoms #diagnosis #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... erythematosus ... erythematosus [ ... SLE], AOSD) • Infection ... Liver function tests
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Association with disease ... clinically suspected, tests ... overlap syndromes ... #erythematosus ... #diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... Discontinuation of causal ... Erythematosus ( ... Evolution: Chronic disease ... #table #rheumatology