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Acute promyelocytic leukemia (APL) is a blood tumor characterized by aggressive clinical progression with characteristic clinical and laboratory signs (typical tumor cell morphology, severe hemorrhagic syndrome, hemorrhages with hematoma formation, excessive fibrinolysis, disseminated intravascular coagulation syndrome) but modern approaches to therapy potentially make this disease fully curable. APL is considered one of the most studied subtypes of acute leukemia and is characterized by abnormal proliferation of promyelocytes in the bone marrow. The morphologic picture of APL is quite diverse, but an increased basophil count represents a rare manifestation that requires further study and understanding of its significance. Currently, there are limited scientific data on the clinical course and response to standard therapy in patients with APL presenting with basophilia.
Akezheva et al. (Fri,) studied this question.