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目的回顾性分析原发性腹膜癌(primary peritoneal carcinoma,PPC)的CT、MRI表现,提高对PPC的诊断与鉴别诊断水平。资料与方法7例确诊PPC患者中4例行常规全腹部CT平扫+增强扫描,3例行下腹部MRI平扫+增强扫描,分析腹膜与卵巢病变以及腹腔积液情况。结果 (1)PPC的腹膜病变形态表现有:“污垢”状腹膜改变、“饼”状腹膜改变、腹膜线样增厚、腹膜肿块与结节及腹腔积液。(2)6例卵巢体积无增大,1例卵巢轻度增大。结论腹部CT、MRI增强扫描可以显示腹膜病变并筛查腹膜外脏器病变,有助于PPC的临床诊断。
Objective To retrospectively analyze the CT and MRI findings of primary peritoneal carcinoma (PPC) and to improve the diagnostic and differential diagnosis of PPC. Materials and Methods 4 of the 7 patients diagnosed with PPC underwent conventional whole abdominal CT scan and enhanced scan, 3 patients underwent abdominal plain MRI scan and enhanced scan, and the peritoneal and ovarian lesions and ascites were analyzed. Results (1) The morphological features of peritoneal lesions in PPC were: “dirt” peritoneal changes, “pancake” peritoneal changes, peritoneal linear thickening, peritoneal mass and nodules and ascites. (2) 6 cases of ovarian volume did not increase, a case of ovarian mild increased. Conclusion Enhanced CT and MRI abdomen can show peritoneal lesions and screen the pathological changes of extraperitoneal organs, which is helpful for the clinical diagnosis of PPC.