13 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Polycythemia ... Myelogenous Leukemia ... Iron deficiency anemia ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... Myelodysplastic syndrome ... myeloid leukemia ... #hematology #secondary
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... bcr-able (-) - Polycythemia ... Amy Chung, MD, MSc ... Blood #Disorders #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Malignant • Lymphoma ... • Leukemia ... disorders (eg. polycythemia ... vera, essential thrombocytosis ... #Causes #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
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... • Neutropenia, anemia ... , Hodgkin’s lymphoma ... #workup #oncology ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... extramedullary disease ... - infiltrates (anemia ... lymphoma #Leukemia ... #Hematology #Oncology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Lymphoma - Clinical ... Lymphoma Workup ... number of sites of disease ... classification #hematology ... #oncology #management
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... Better call hematology ... normal/high - Chronic ... #workup #hematology
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