Objective To introduce the characteristics of T lymphoblastic lymphoma/acute lymphoblastic leukemia(T-LBL/ALL)from blast crisis of chronic myelogenous leukemia(CML),a case report and review of lite- rature.

• 目的介绍1例慢性髓细胞白血病(CML)向T淋巴细胞淋巴瘤/白血病(T-LBL/ALL)急变病例并复习文献,以提高对该病的认识。