21 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Butterfly rash, Vasculitis ... disease (30%): ... #SLE #systemic ... erythematosus #signs
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Hypersensitivity vasculitis ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #joint #pain #skin
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... • Immunologic Workup ... : Chronic disease ... #lupus #Systemic ... #Summary #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... & renal involvement ... #Lupus #Erythematosus ... diagnosis #rheumatology ... #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Arthritis: • Joint ... arthropathy • 90% joints ... APLA/LAC: • Renal ... #Systemic #Lupus
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
autoimmune disease ... skin thickening Signs ... Musculoskeletal: joint ... #diagnosis #signs ... symptoms #testing #workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... vesicular eruption - Joints ... lupus erythematosus ... purpura: strong sign ... , and SLE) • Urinalysis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... lupus erythematosus ... in drug-induced SLE ... ) • Systemic sclerosis ... vasculitis - MPO
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Cytoid bodies (retinal ... Neurologic system ... Vasculitis (e.g. ... differential #diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... months to years) Systemic ... • Immunologic Workup ... : Chronic disease ... #table #rheumatology