目的探讨腹膜腔转移性肿瘤的CT表现及诊断价值。方法回顾分析17例腹膜腔转移性肿瘤的CT表现。结果腹膜腔转移性肿瘤CT表现为:①腹水(12例);②壁腹膜增厚,呈宽带状(7例)、结节状(2例)、块状增厚(1例);③网膜及系膜改变:污垢状(7例)、饼状(5例)、结节状(2例);④肠系膜血管边缘模糊毛糙(3例);⑤腹腔内单囊性或多囊性占位改变(1例)。结论CT增强前后扫描可作为腹膜腔转移性肿瘤的首选检查方法。 Objective To investigate the CT findings and diagnostic value of peritoneal metastases. Methods A retrospective analysis of 17 cases of peritoneal metastases CT findings. Results CT findings of peritoneal metastases were ascites (12 cases), thickening of the peritoneum (7 cases), nodular (2 cases) and massive thickening (1 case) Membrane and mesangial changes: fouling (7 cases), pie (5 cases), nodular (2 cases); ④ mesenteric vascular margin fuzzy rough (3 cases); intraperitoneal unicystic or polycystic accounted for Bit changes (1 case). Conclusion CT enhanced scan before and after peritoneal metastasis can be used as the preferred method of examination.