The characteristic poikilocyte often seen in the peripheral blood of patients with PMF that indicates extramedullary hematopoiesis is:

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The characteristic poikilocyte often seen in the peripheral blood of patients with PMF that indicates extramedullary hematopoiesis is dacryocyte (also known as teardrop cell) which has a tear-drop shape and is caused by the passage of abnormal cells through the sinusoids of the spleen and other extramedullary sites. Drepanocyte (sickle cell), schistocyte, and spherocyte are not associated with PMF or extramedullary hematopoiesis.

The Characteristic Poikilocyte Often Seen in the Peripheral Blood of Patients