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骨髓幼稚细胞比例未达诊断标准的融合基因阳性急性髓系白血病2例

Two cases of acute myeloid leukemia with bone marrow blast percentage not reaching diagnostic criteria and positive recurrent genetic abnormalities
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摘要 例1,男,61岁。因"颈肩结节伴红肿4个月余,发热1周"于2011年9月3日收入院。体检:贫血貌。颈肩可见数个不规则褐色斑块,约2cm×2cm大小,平皮面。皮肤结节病理检查(2011-08-09):考虑(高分化)鳞癌。皮肤结节病理检查(2011-08-18):未见肿瘤细胞。血常规(2011-09-03):白细胞计数37.0×10^9/L,中性粒细胞0,淋巴细胞0, Case one:a 61-year-old male patient was admitted because of "neck and shoulder nodules for more than 4 months and fever for one week". Physical examination showed several brown plaques in the neck and shoulder, paralleling to the skin. Lab examinations showed that WBC was 37.0×10^9/L, of which monocytes accounted for 5.90/oo(2.2×10^9/L). Microscopy of whole blood showed blasts accounted for 10%. Bone marrow cell examina tion showed hypoplasia,with 77. 6% granulocytes,1.2% of which were blasts,and 5. 6% monoeytes,0.8% of which were promonocytes. Flow cytometric analysis showed myeloid blast accounted for 1. 73% of the whole karyocytes. Leukemia fusion gene CBFyMYH11 was positive. The patient was diagnosed as acute myeloid Ieuke mia (CBFβ/MYH11 positive). Case two:a 62 year old male patient was admitted because of "jaundiced and palpitation after activities for more than half a month". Physical examination showed several enlarged, soybean-sized lymph nodes in bilateral inguinal region without tenderness. Lab examinations showed that white blood cell (WBC) count was 19.6 ×10^9/L, of which neutrophils accounted for 78.6 % (15.4 ×10^9/L) and lymphocytes accounted for 17.8 %. Bone marrow cell examination showed hyperplasia,with 95.5 % granulocytes,8.5 % of which were blasts,and 8.0 % were progranulocytes with Auer body. Flow cytometric analysis showed 5.36 % of the whole karyocytes were suspicious myeloid blasts. Leukemia fusion gene AML1/ETO was positive. The patient was diagnosed as acute myeloid leukemia (AML1/ETO positive).
出处 《临床血液学杂志》 CAS 2013年第3期335-337,共3页 Journal of Clinical Hematology
关键词 白血病 髓系 急性 CBFβ MYH11 AML1 ETO acute myeloid Ieukemia CBFβ/MYHll AMI.1/ETO
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  • 1Bennet JM. Proposal revised criteria for the classification of acute myeloid leukemia: a report of the French-American-British Cooperative Group. Ann Intern Med, 1985,103:460.
  • 2Vardiman JW, Harris NL, Brunning RD. World Health Organization Classification of the myeloid neoplasms. Blood, 2002, 100:2292-2302.
  • 3Jaffe ES, Harris NL, Stein H. World health organization classification of tumours. Pathology and genetics of tumours of haematopoietic and lymphoid tissues. IARC Press Lyon, 2001.

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