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应用流式细胞术（FlowCytometry，FCM）分析细胞的DNA含量，可以反映细胞的增殖状况。异常的DNA含量（异倍体，ane－uploid）已在许多人类肿瘤中被证实。在乳腺癌，肺癌，膀胱瘤，卵巢癌及结直肠癌，异倍体已被认为是有价值的预后指征[1]，而异倍体与胃癌预后的关系仍存在不同
Flow cytometry (FCM) analysis of cell DNA content can reflect the cell proliferation. Abnormal DNA content (aneuploid, ane-uploid) has been confirmed in many human tumors. In breast cancer, lung cancer, bladder tumor, ovarian cancer and colorectal cancer, aneuploidy has been considered as a valuable prognostic indicator [1], and the relationship between aneuploidy and prognosis of gastric cancer remains different