4 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Essential thrombocytosis ... Non malignant hematologic ... states • Non-hematologic ... malignancy • Iron deficiency
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... a.k.a Reactive Thrombocytosis ... specifically: iron deficiency ... Autonomous Thrombocytosis ... Diagnosis #Causes #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... blood loss (Fe deficiency ... BrighamChiefs #Thrombocytosis ... causes #Platelets #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... → Refer to hematology ... Consider reactive thrombocytosis ... • Nonmalignant hematologic ... Acute hemolysis, deficiency