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Clinical Characteristics and Prognosis of Acute Myeloid Leukemia Patients with inv(16)/t(16;16)(p13.1;q22) and/or CBFβ-MYH11 / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 367-372, 2022.
Article in Chinese | WPRIM | ID: wpr-928722
ABSTRACT
OBJECTIVE@#To summarize the clinical and laboratory characteristics of patients with acute myeloid leukemia (AML) with inv(16)/t(16;16) (p13.1;q22), and to analyze the risk factors affecting the prognosis of the patients.@*METHODS@#AML patients with inv(16)/t(16;16) (p13.1;q22) and/or CBFβ-MYH11+ admitted to the Department of Hematology, The First Affiliated Hospital of Soochow University from January 1, 2008 to October 30, 2019 were retrospective analyzed, the clinical and laboratory indicators, as well as treatment plans and efficacy evaluations of the patients were all recorded. Furthermore, related factors affecting the overall survival (OS) and event-free survival (EFS) of the patients were analyzed.@*RESULTS@#Among 151 AML patients with inv(16)/t(16;16) (p13.1;q22) and/or CBFβ-MYH11+, the percentage of additional chromosomal abnormalities was about 27.8%, and the most common additional chromosomal abnormality was +22 (33/151, 21.8%), followed by +8 (11/151, 7.3%). There were 112 patients with perfect NGS examination, and the result showed the most common accompanying gene mutations were KIT mutation (34/112, 30.4%) and FLT3 mutation (23/112, 20.5%). Univariate analysis showed that factors affecting EFS included NE≤0.5×109/L (P=0.006) and combined K-RAS mutation (P=0.002); Factors affecting OS included Age≥50 years old (P<0.001) and NE≤0.5×109/L (P=0.016). Multivariate analysis showed that NE≤0.5×109/L (P=0.019) was the risk factors affecting OS. The proportion of bone marrow eosinophilia (BME)≥10.00% (P=0.029) was the risk factors affecting EFS.@*CONCLUSION@#The prognosis for those newly diagnosed AML patients who were of advanced age, the high proportion of bone marrow eosinophils, K-RAS mutations, and agranulocytosis is poor. The treatment plans can be adjusted in the early stage to improve the prognosis of such patients.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Leukemia, Myeloid, Acute / Oncogene Proteins, Fusion / Retrospective Studies / Myosin Heavy Chains / Chromosome Inversion Type of study: Observational study / Prognostic study / Risk factors Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Leukemia, Myeloid, Acute / Oncogene Proteins, Fusion / Retrospective Studies / Myosin Heavy Chains / Chromosome Inversion Type of study: Observational study / Prognostic study / Risk factors Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2022 Type: Article