14 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... inflammatory disorders ... Diagnosis #Causes ... #hematology #secondary
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... • Rheumatic disorders ... Iron deficiency anemia ... #Causes #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... T-cell - CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... #hematology #Markers
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Metastatic cancer, Lymphoma ... • Infections: Chronic ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Leukemia - History of Bleeding ... Age > 50 • Chronic ... #Causes #Hematology ... #Oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... lymphoproliferative disorders ... • Neutropenia, anemia ... #workup #oncology ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... autoimmune hemolytic anemia ... DDX - Other causes ... #immunology #hematology ... #diagnosis #management
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
basophilia, and thrombocytosis ... - infiltrates (anemia ... Agranulocytosis • Hypogammaglobulinemia ... #Leukemia #Hematology ... #Oncology #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... e.g. lupus, CLL, lymphoma ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
leukemia in adults • Disorder ... to large cell lymphoma ... Lymphocytic #Leukemia #oncology ... #hematology #hemeonc ... #diagnosis #management