19 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... malignancies -> CLL ... younger pts) Differential ... Symptoms: High fevers ... #hematology #diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold agglutinins ... bartonella (oroya fever ... Algorithm #workup #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Headaches, bone pain, fever ... - infiltrates (anemia ... lymphoid organs When Cancer ... #Leukemia #Hematology ... #Oncology #Diagnosis
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Leukemia - Summary Cancer ... Lymphadenopathy • Fevers ... • Neutropenia, anemia ... diagnosis #workup #oncology ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) (e.g. lupus, CLL ... . primary cold agglutin ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
iron deficiency anemia ... Autoimmune hemolytic anemia ... RBC: Hemoglobin SS ... RBC #Morphology #differential ... #diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Index < 2: • Anemia ... infiltration (e.g. cancer ... defects (e.g. sickle cell ... Production #Index #hematology ... #anemia #differential
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
- Pel-Ebstein fever ... involvement Differential ... NonHodgkins #comparison #oncology ... #diagnosis #differential ... #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Lymphocytic Leukemia (CLL ... ) B symptoms → fevers ... 5) Symptoms of anemia ... Lymphocytic #Leukemia #oncology ... #hematology #hemeonc
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
general feeling of ill ... , breast CA - Hematologic ... cancer such as ... Syndrome #diagnosis #dermatology ... #oncology