Abstract
Objective To investigate the clinical characteristics and prognosis of adult acute myeloid leukemia (AML) with TLS-ERG fusion gene positive. Methods Adult two AML patients with TLS-ERG fusion gene positive in the First Affiliated Hospital of Zhengzhou University in January 2017 and March 2018, respectively were enrolled, and their clinical characteristics and prognosis were analyzed. Results Both patients with TLS-ERG fusion gene positive were males. According to morphology classification, the first case was classified to AML-M5, and the other one was AML-M4. Both patients' immunophenotypic features showed CD56 expression, and CD25 was expressed in the first patient simultaneously. Both patients were treated with induction and consolidated intensive therapy based on Chinese guidelines for diagnosis and treatment of adult AML (not acute promyelocytic leukemia) and the guidelines for diagnosis and treatment of AML (relapse/refractory) in China. The first patient died 11 months after diagnosis, and the second patient remained in remission until the end of follow-up in February 2019 (12 months after diagnosis). Conclusion TLS-ERG fusion gene has low incidence rate, high recurrence rate, poor reinduction effect, poor prognosis and short survival time in adult AML. Key words: Leukemia, myeloid, acute; Translocation, genetic; TLS-ERG fusion gene
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