3390 results
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... 90% - Low complement ... Discontinuation of causal ... Erythematosus (SLE ... 80% - Low complement
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... is due to TTP, compliment-mediated ... catastrophic APS, SRC, SLE
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... diseases: - 10% SLE ... • Low serum C4 complement ... erythematosus (SLE
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... Levels - C3, C4 • SLE ... • Infection eg SBE ... ThePeanutKidney #Complement
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic ... Antibody/DAT+ - Complement ... Differential #Diagnosis #Causes
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... are evocative of SLE ... Positive in 60-80% of cases ... 80% - Low complement ... management of SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... against MPO • Complement ... vasculitis, and SLE
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... staining (lg + complement ... MGPN • Complement ... of alternative complement ... MPGN without complement
Complement Pathways
- Classical Pathway
- Lectin Pathway
- Alternative Pathway

#Complement #Pathway #hematology #pathophysiology
Complement Pathways ... Alternative Pathway #Complement
Systemic Lupus Erythematosus (SLE): Pathogenesis

 • Genetic factors (Mutations in HLA- DR2/HLA-DR3 genes, complement genes, cytokine
Erythematosus (SLE ... HLA-DR3 genes, complement ... self-antigens, activating complement ... Erythematosus #SLE