Acute Promyelocytic Leukemia in Crohn’s Disease

Abstract
A 19-year-old man with a documented 2-year history of Crohn's disease abruptly developed leukopenia and thrombocytopenia. A diagnosis of acute promyelocytic leukemia was established by bone marrow cytology. Chromosomal analysis of bone marrow aspirate revealed aberrations of no. 8 trisomy and translocation between no. 15 and no. 17 [46,XY,t(15q+,17q-)/47,XY,+8,t(15q+,17q-)]. Nine cases of Crohn's disease complicated by leukemia have been reported, including the present one; once again, a relationship between Crohn's disease and leukemia is suggested.

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