17 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Artifact (redo CBC ... Chronic Myelogenous Leukemia ... effect following treatment ... #Hematology
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
promyelocytic leukemia ... I see all of these ... features in most cases ... APML #Pathology #Hematology ... #Clinical #Smear
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... • Peripheral smear ... microglobulin Treatment ... leukemia #CLL ... workup #oncology #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... peripheral blood smear ... not required in all ... dysplasia on the smear ... #Workup #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
promyelocytic leukemia ... protein C and S Pathophysiology ... organ damage Clinical ... • Peripheral smear ... #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
(CLL) - Summary ... • Peripheral smear ... immunophenotype Clinical ... Vmphocytosis on routine CBC ... #oncology #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... intravascular coagulation ... ) (e.g. lupus, CLL ... #differential # ... diagnosis #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Tissue damage • Leukemia ... #Bandemia #differential ... #CBC #hematology ... #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Responsive to Treatment ... Treated Like Acute Leukemias ... Classification #pathophysiology ... #Hematology #Diagnosis ... #NonHodgkin #differential
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Triggers: ATRA treatment ... Pathophysiology ... • Induce blast cell ... initiation • Differential ... diagnosis #management #hematology