23 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... and Leukopenia ... - Differential Diagnosis ... , Medications, Cancer ... #causes #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Mechanism: IgG and ... Spherocytes • Treatment ... transient hemolysis • Treatment ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
Willebrand Syndrome - Diagnosis ... thrombocythemia), Autoimmune ... adsorption onto cancer ... #Management #treatment ... #hematology #differential
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Cancer-associated ... exclusion Necrotizing Autoimmune ... Pattern: Proximal and ... #differential #diagnosis ... #comparison #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... phenomenon, SjS, cancer ... ARUPLabs #ANA #Antinuclear ... #differential #diagnosis ... #rheumatology
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... . 5. 2nd TMA- autoimmune ... APS, SRC, SLE), cancer ... Microangiopathy #TMAs #hematology ... #diagnosis #ttp
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Autoimmune diseases ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
B-LNH), solid cancers ... • Autoimmune ... Treatment: • ... #management #treatment ... #summary #rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Lymphoma or other cancers ... breast cancer ... autoimmune hemolytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... : 33% • Treatment ... : No • Treatment ... Transfusion #Reactions #hematology ... #diagnosis #comparison