20 results
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
awaiting confirmatory testing ... Microangiopathy #thrombocytopenic ... HemolyticUremicSyndrome #HUS #thrombocytopenia ... Diagnosis #Table #Hematology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Testing - Nuclear ... SSc, PM/SSc OS, Raynaud ... #Antibody #Testing ... differential #diagnosis #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Erythematosus - Summary Antinuclear ... Anti-UI-ribonucleoprotein - 35% • Raynaud ... Summary #diagnosis #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic ... CTD-ILD, IIM, Raynaud ... #Antibody #Testing ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
defect (rare) Raynaud's ... Leucopenia/lymphopenia, Thrombocytopenia ... symptoms #diagnosis #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... with MCTD and Raynaud's ... Lupusreference #Antinuclear ... erythematosus #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... smear, HIV/HCV testing ... patients with thrombocytopenia ... if the cause of thrombocytopenia ... Causes #Workup #hematology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Testing - Nuclear ... SSc, PM/SSc OS, Raynaud ... #Antibody #Testing ... differential #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Photosensitivity 29% - Raynaud's ... Neurological 12% - Thrombocytopenia ... #differential #rheumatology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
• Vascular: Raynaud's ... Scleroderma #SSc #rheumatology ... signs #symptoms #testing