腹腔和腹膜后巨大肿瘤的CT诊断

目的：评价CT对腹腔和腹膜后肿瘤的诊断价值。材料和方法：回顾性分析经手术、病理证实的原发于腹脏腹源腔器外和腹膜后巨大肿瘤14例的CT表现。结果；CT对上述肿瘤的定位正确率为78．5％，良恶性鉴别的正确率为85．7％。结论：CT值可确定囊性、实性和囊实性；强化表现与肿瘤组织学有关，对部分肿瘤能揭示组织学来源；肿瘤大小对良恶性鉴别帮助不大。

CT diagnosis of peritoneal cavity and retroperitoneal giant tumors

Purpose: To appraise the diagnosis value of the CT scanning in peritoneal cavity and retroperitoneal tumors. Meaterials and Methods:The CT appearance of 14 cases of peritoneai cavity and retroperitoueal tumors confirmed by biopsy were analysed. Results: The finding rate for the above rnentinal tumors by CT was 78. 5% and the proper rate for differential diagnodis either benign or malignant was 85. 7% . Conclusion: The nature of cystic tumor, parenchymatous and cystic parenchymatous tumor could be made by CT Nurnber; between enhancwent and histology were interrelated which could point out the origin of histology;The size of tumor was no significant difference between benign and rnalignant.