The CT features of benign tumors were homogeneous density,smooth peripheria with clear border,while mixed density,large and irregul...

• 结论CT对腹膜后肿瘤诊断有重要价值,对肿瘤定位诊断准确,对良恶性鉴别有帮助,但对病理组织类型诊断有限度。