18 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
in drug-induced SLE ... seen in 30—70% of cases ... • Sjögren syndrome ... + 60% • Eosinophilic ... antibodies #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... LAC) • Sjogren Syndrome ... • MCTD: Anti-UI ... Autoantibodies #Rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... block • Sjogren syndrome ... Anti-UI-ribonucleoprotein ... severe disease Treatment ... Summary #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Cryoglobulinemia (MIXED) • ANCA ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Workup: - ANA ... Positive in 60-80% of cases ... 50-60% - pANCA ... life-threatening • Treatment ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... constitutional symptoms • Treatment ... Discontinuation of causal ... life-threatening • Treatment ... comparison #table #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... Nodosa (PAN), ANCA ... erythematosus (SLE ... (SPA) • Other Causes ... Differential #Diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... tract, and often causes ... • Cogan Syndrome ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
Behcet's Syndrome ... - Treatment Ulcers ... : • Treatment: ... Behcets #disease #Syndrome ... #pharmacology #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Demyelinating Syndrome ... autoantibodies that will cause ... Erythematosus #SLE ... CNS #neurology #rheumatology