Which form of acute myeloid leukemia has megakaryoblasts and antibodies to platelet glycoprotein IIb/IIIa?
a. Acute myeloid leukemia with minimal differentiation
b. Acute monoblastic leukemia
c. Acute erythroleukemia
d. Acute megakaryocytic leukemia
ANS: D
Acute megakaryocytic leukemia has blasts that are positive for the platelet antigens glycoprotein IIb/IIIa. They may also be positive for glycoprotein Ib or factor VIII–related antigen.
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