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腹腔镜肿瘤切除术后套管孔转移(PSM)的确切发生率目前仍不清楚,估计为1%~2%,与开腹手术伤口转移发生率一致。其可能的发生机制有多种,包括直接伤口种植、外科操作技巧、CO2气腹的作用及机体的免疫反应等。目前PSM可能的发生机制及预防措施等方面的研究日益增多。现就这些相关因素作一综述。
The exact incidence of ciliary hole metastasis (PSM) after laparoscopic resection of the tumor is still unknown, estimated at 1% to 2%, consistent with the incidence of open wound surgery. Its possible mechanism of occurrence of a variety, including direct wound planting, surgical skills, CO2 pneumoperitoneum and the body’s immune response. At present, the possible mechanism of PSM and precautionary measures are increasing. These related factors are reviewed.