16 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Lymphadenopathies 7% - Hemolytic ... anemia 4% - Myositis ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... ): SS, SC, SE, Sβ ... #workup #hematology ... #testing
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
pain (20%) Renal disease ... ) Blood (75%): Anemia ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... anemia • Cold ... Positive Coombs testing ... #hemolytic #anemia ... #hematology #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... • Immunologic Workup ... Evolution: Chronic disease ... #table #rheumatology ... #diagnosis #management
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... • Coombs (-) hemolytic ... anemia due to cold ... IgG • Lupus anticoagulant ... #Differential #Diagnosis
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
and Symptoms: ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... #symptoms #testing ... #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... lymphopenia, low PLT • Anemia ... : • Symptoms limited ... #Rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... the presence of anemia ... #diagnosis #testing ... #Rheumatology