The CT analysis of primary retroperitoneal benign tumor(report of 10 cases)

Objective:To summarize and analyse the CT appearances of 10 cases of primary retroperitoneal benign tumors.Methods:10 cases of primary retroperitoneal benign tumors in this study are performed by unenhanced CT scan,5 cases in them are performed enhanced CT scan.All 10 cases are confirmed by pathology. To observe location,size,shape,density,margins,relation with surrounding tissues,change of post enhancement and to conclude their different CT appearances.Results:In the aspects of shape,density,margins,relation with surrounding tissues and change of post enhancement,difference kinds of tumor have obvious different.Conclusion:Base on different CT characteristic of different primary retroperitoneal benign tumor,part of tumors can be diagnosed.CT examination is important method of primary retroperitoneal benign tumors.