13 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Syndrome (CAS): ... Viral Infection Clinical ... symptoms - most common ... younger pts) Differential ... #anemia #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... hemolysis, deficiency anemia ... • Infections: Chronic ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider sickle cell ... Agglutination - Cold agglutinins ... #workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... . primary cold agglutin ... #differential # ... diagnosis #hematology ... #anemia
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
: • Most common ... Orange or Hep C Clinical ... cells can indicate disease ... • Neutropenia, anemia ... #oncology #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Leukemia (CLL) ... immunophenotype Clinical ... chemotherapy for low-risk disease ... Leukemia #oncology #hematology ... hemeonc #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... to 8 years Clinical ... autoimmune hemolytic anemia ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Most common cytopenia ... Marrow Failure • Chronic ... Myeloproliferative Disease ... blood count with differential ... #diagnosis #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Diagnosis Algorithm ... Better call hematology ... normal/high - Chronic ... , think about common ... #workup #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Discontinuation of causal ... • Evolution: Chronic ... disease Dr. ... comparison #table #rheumatology