A case of the t(9;11)(p22;q23);(MLLT3-MLL) breast cancer treatment-related acute monocytic leukemia and literature review
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关键词:
- 乳腺癌 /
- 治疗相关性白血病 /
- 急性单核细胞白血病 /
- t(9 /
- 11)(p22 /
- q23)急性髓细胞白血病 /
- MLLT3-MLL融合基因
Abstract: To explore clinical features,diagnosis and treatment of solid tumor treatment-related acute monocytic leukemia(M5)with 11q23,we analyzed a case of the breast cancer treatment-related M5 with t(9;11)(p22;q23);(MLLT3-MLL),and carried on the literature review.The patient was treated with 6cycles of chemotherapy of TEC regimens one year ago.She was admitted with acute leukemia,the myeloproliferation was extremely active,with immature monocytes and mature monocytes accounting for 62% and 31%,respectively.Karyotype analysis was 46,XX,t(9;11)(p22;q23)[20],and MLLT3-MLL was positive.According to classification rules of WHO2008 hematopoietic system disease,she was diagnosed as AML with t(9;11)(p22;q23)abnormality.Because of the patient with a preliminary history of breast cancer chemotherapy,11q23 MLL gene rearrangement could be found in a shorter incubation period of treatment-related leukemia,so the patient was diagnosed as treatment-related M5 with 11q23/MLL.The breast cancer treatment-related M5 with t(9;11)(p22;q23);(MLLT3-MLL)is clinically rare,11q23 MLL gene rearrangement suggest that patients belong to a shorter incubation period of treatment-related leukemia,the prognosis is poor.We should strengthen the understanding of this disease. -
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