MYC/BCL2 double-hit lymphoma/leukemia mimicking acute leukemia at initial presentation.

![Figure][1] A 60-year-old man was admitted to our Leukemia Service for a brief history of abdominal pain and progressive leukocytosis. At admission, a complete blood count showed marked leukocytosis (191.3 × 109/L) with 91% of circulating “blasts” (panel A). Flow cytometric analysis