Thrombocytosis - Differential Diagnosis

Platelet Count > 450

Reactive:

 • Anemia/blood loss (Fe deficiency)

 • Infection/Sepsis

 • Non-infectious (malignancy, rheumatologic, trauma)

 • Post-splenectomy or Asplenia

Autonomous:

 • Essential Thrombocythemia

 • Polycythemia Vera

 • Primary Myelofibrosis

 • Chronic Myeloid Leukemia



- BWH Medicine Chiefs @BrighamChiefs



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