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目的探讨胃癌细胞学与生物学行为的关系对临床的指导意义。方法术中观察胃癌生物学行为并取材制片、以巴氏染色后行细胞学检查。结果（１）胃癌播散与肿瘤浆膜面所承受机械刺激大小有关，提示临床医师无瘤操作观念的重要性。（２）胃癌术后行腹腔冲洗检查有助于从细胞水平上消除残余癌细胞。（３）胃癌细胞学阳性率与分型有关。结论浸润型胃癌阳性率高，易腹腔种植，预后差
Objective To explore the clinical significance of the relationship between cytology and biological behavior of gastric cancer. Methods The biological behaviors of gastric cancer were observed during operation and the samples were obtained and stained with papain for cytological examination. Results (1) The dissemination of gastric cancer was related to the size of the mechanical stimuli on the serosal surface of the tumor, suggesting the importance of the concept of tumor-free operation. (2) Postoperative peritoneal irrigation examination of gastric cancer helps to eliminate residual cancer cells at the cellular level. (3) The positive rate of gastric cancer cytology is related to type. Conclusion Invasive gastric cancer has a high positive rate and is easy to be implanted in the abdominal cavity. The prognosis is poor.