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腹膜转移癌来源于恶性肿瘤的腹膜腔内转移播散,术前准确评估其播散程度对临床治疗至关重要。多层螺旋CT增强扫描操作简便、扫描快速、空间分辨率高、运动伪影少,已成为最常用的术前影像学检查措施。腹膜转移癌主要CT征象有腹腔积液、腹膜增厚并强化、网膜侵犯征象及肠管侵犯征象等;可根据术中腹膜转移癌指数评估的原则,采用CT评估腹膜转移癌的播散程度,选择适宜手术的患者;影响腹膜转移癌诊断的因素主要有CT设备的性能和技术、肿瘤直径、肿瘤部位及影像医生的诊断水平。需重视对小肿瘤(<5 mm)和特殊部位肿瘤的检查,以提高腹膜转移癌的检测率。
Peritoneal metastasis from malignant tumors peritoneal cavity disseminated disseminated preoperative accurate assessment of the degree of dissemination is essential for clinical treatment. Multi-slice spiral CT enhanced scanning is simple, fast scanning, high spatial resolution, less motion artifacts, has become the most commonly used preoperative imaging examination. Peritoneal metastasis of the main CT signs of ascites, peritoneal thickening and strengthening, signs of retinal invasion and signs of intestinal invasion, etc .; can be based on the principle of intraoperative peritoneal metastasis index, the use of CT to assess the degree of disseminated peritoneal metastasis, Select the appropriate surgical patients; affecting the diagnosis of peritoneal metastasis of the main factors that CT equipment performance and technology, tumor diameter, tumor location and the diagnosis of imaging doctors. Attention should be paid to the examination of small tumors (<5 mm) and special parts of the tumor to improve the detection rate of peritoneal metastases.