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目的探讨原发性腹膜后肿瘤的CT诊断与鉴别诊断。方法回顾分析23例经病理证实的原发性腹膜后肿瘤CT资料。结果23例原发性腹膜后肿瘤,有11种病理结果。间叶组织来源的14例,12例为恶性;神经组织起源的4例,均为良性;残余胚胎组织起源的4例,3例为良性,1例为恶性;来源不明的1例为恶性。大部分具有此部位肿瘤共同的CT征象,但又各具有一定特征。结论原发性腹膜后肿瘤种类繁多,观察肿瘤的CT征象,同时结合病人的病史、年龄、部位有助于正确的组织学分类诊断,从而提高对其的定性诊断。
Objective To investigate the CT diagnosis and differential diagnosis of primary retroperitoneal tumor. Methods Retrospective analysis of 23 cases of pathologically confirmed primary retroperitoneal tumor CT data. Results 23 cases of primary retroperitoneal tumor, there are 11 kinds of pathological results. Mesenchymal origin of 14 cases, 12 cases were malignant; 4 cases of neural origin, were benign; residual embryo originated in 4 cases, 3 cases were benign, 1 case was malignant; 1 case of unknown origin was malignant. Most of the tumor with this common CT signs, but each have certain characteristics. Conclusions There are many kinds of primary retroperitoneal tumors and the CT signs of the tumors are observed. Combined with the history, age and location of the patients, it helps to diagnose the correct histological classification and improve their qualitative diagnosis.