14 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... , Chronic disease ... , McLeod blood group ... #Morphology #differential ... #microscopy #atlas
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Blood Loss ... • Acute Bleed - ... • Anemia of Chronic ... Disease • Marrow
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... Infectious: • Acute ... disorders • Celiac disease ... Iron deficiency anemia ... #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... kidney disease, ... Index > 3: • Acute ... Production #Index #hematology ... #anemia #differential
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... Acute • Myloid ... T-cell - CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... bcr-able (+) ↑ WBC
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... blood loss, Acute ... hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... • Infections: Chronic
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... immunophenotype Clinical ... chemotherapy for low-risk disease ... Lymphocytic #Leukemia #oncology ... #diagnosis #management
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral Infection Clinical ... younger pts) Differential ... sensitize red blood ... passage of red-brown urine ... #hematology #diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Marrow Failure • Chronic ... Myeloproliferative Disease ... count with differential ... Syndromes #diagnosis #hematology ... #oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... cells can indicate disease ... Lymphocytosis: Absolute blood ... • Neutropenia, anemia ... ’s lymphoma or acute