24 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... SLE, SjS, CTD-ILD ... phenomenon - EJ, Jo-1, ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... 1. ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... CTChest #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... . 1. ... Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... CTChest #Nodular #Pattern
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... (anti-nuclear antibody ... Antiphospholipid Antibody ... Myositis: Anti-JO-1, ... RNA Polymerase Ill
4T Score for Heparin-Induced Thrombocytopenia

Interpretation of the 4T score:
0-3 points:  Low probability (<<1%)
  -
probability (<<1% ... check anti-PF4 antibody ... check anti-PF4 antibody ... Diagnosis #Criteria #Hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
activity (e.g. antibody ... to be normal. 1: ... 1 Mix of Patient's ... Study #diagnosis #hematology ... pathophysiology #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
gangrenosum • IBD ... Antiphospholipid-antibody ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic Patterns ... SLE, SjS, CTD-ILD ... phenomenon • EJ, Jo-1, ... differential #diagnosis #rheumatology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
similar aggregation pattern ... cytometry — GP Ilb ... agonists • This pattern ... either severe Type 1 ... Platelet #disorders #hematology
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
Microangiopathy - TMAs 1. ... drug-associated TMA (antibody ... Microangiopathy #TMAs #hematology