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急性髓细胞白血病(AML)细胞表达前B-细胞抗原极为少见,只有2％AML患者可出现CD_(19)(+)。本文报道1例8岁儿童ANLL-M_2患者,其白血病细胞不表达髓系抗原(CD_(116),C_(13),CD_(14)及CD_(33));但却表达前B-细胞抗原CD_(19)。对该患者白血病细胞培养72小时后它们表达髓系抗原(CD_(11)和CD_(13))。其白血病细胞表面具有大量粒系集落刺激因
The expression of pre-B-cell antigen in acute myeloid leukemia (AML) cells is extremely rare, and only CD 19 (+) appears in only 2% of AML patients. This article reports a case of ANLL-M 2 in 8-year-old children whose leukemia cells do not express myeloid antigens (CD 116, C 13, CD 14 and CD 33) but express pre-B cell antigen CD_ (19). The leukemia cells of this patient expressed myeloid antigens (CD_ (11) and CD_ (13)) 72 hours after they were cultured. Its leukemia cell surface with a large number of granulocyte colony stimulating factor