14 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelofibrosis Infectious ... • Rheumatic disorders ... Iron deficiency anemia ... #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 ... Metastatic cancer, Lymphoma ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... ): • Acute infection ... malignancies • Anemia ... Diagnosis #Causes ... #hematology #secondary
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Infectious • ... Malignant • Lymphoma ... Myeloproliferative disorders ... vera, essential thrombocytosis ... #Causes #Hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Causes of Neutropenia ... hypertension and/or drug treatment ... Megaloblastic anemia-rare ... diagnosis #causes ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... glucocorticoid treatment ... #Algorithm #Differential ... #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... changes), high MCV anemia ... Diagnosis #Causes ... #Workup #hematology
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 - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... , anemia, thrombocytopenia ... microglobulin Treatment ... #workup #oncology ... #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
leukemia in adults • Disorder ... Complications: 1) Infection ... PRCA, autoimmune neutropenia ... to large cell lymphoma ... Leukemia #oncology #hematology