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应用流式细胞术研究胃癌细胞DNA含量、S期细胞比率（SPF）和G2／M期细胞比率（G2／MPF）与胃癌淋巴结转移的关系。结果显示：异倍体胃癌淋巴结转移率及SPF显著高于二倍体胃癌（P＜0.05）。淋巴结转移个数越多，转移距离越远，也常发生在异倍体瘤。而G2／MPF则与淋巴结转移无明显关系。以上结果表明：胃癌细胞DNA含量、SPF与淋巴结转移个数、转移距离有一定关系。
Flow cytometry was used to study the relationship between the DNA content of gastric cancer cells, S phase cell ratio (SPF) and G2 / M phase cell ratio (G2 / MPF) and lymph node metastasis in gastric cancer. The results showed that lymph node metastasis rate and SPF of aneuploid gastric cancer were significantly higher than that of diploid gastric cancer (P <0.05). The more the number of lymph node metastasis, the farther the transfer distance, often occurs in aneuploid tumors. The G2 / MPF lymph node metastasis and no significant relationship. The above results show that: DNA content of gastric cancer cells, SPF and the number of lymph node metastases, the transfer distance has a certain relationship.