單項選擇題

某患者的血常規(guī)結果如下所示:WBC50×109/L,Hb105g/L,PLT100×109/L,外周血涂片結果:myeloblast2%,promyelocyte5%,myelocyte10%,metamyelocyte20%,basophil5%,band及segments38%,monocyte2%,lymphocyte3%,該患者最可能的診斷是()

A.leukemoidreaction
B.AML
C.CML
D.ALL
E.MDS

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