CT在原发性腹膜后肿瘤诊断中的价值评估_徐鹏举.pdf

- 278- 2003 9 4 CT 徐鹏举 严福华 周继华 陈惠明 曾蒙苏 : CT : 30 CT , : , , , CT 86. 7% ( 26/ 30) ; 83. 3% ( 25/ 30) ; , , , , 33. 3% ( 10/ 30) : CT , , X Evaluation of CT in the Dia nosis of Primar Retro eritoneal Neo lasms g y p p Xu Pen gju , Yan Fu hu a , Zh ou ihu a , et al Depar t m en t of Radiol ogy , Zhon gs han Hospit al , Fu dan Un iver si ty , Shan ghai 200032 P ur ose: To ev aluat e t he v alue of CT in the dia nosis of rimar retro eritoneal neo lasms( PRN) p g p y p p Material s and Meth ods: t he CT f indings of 30 PRN were retrospect ively analyzied and correlated with sur ical and atholo ic findin s R esults: shift ed ad acent ret ro erit oneal v essels , anterior dis lacement g p g g j p p of the ret roperit oneal organs , int act f at lay er between t he mass and intraperit oneal organs , obscred in- t erface between the mass and the post erior abdomen of pelv ic wall were t he main diganostic findings depending on t he origin of the tumor T he correct rat e of CT localiz ation was 86 7% ( 26/ 30) T he accu- rat e rate of CT in the prediction of benignancy or malignance was 83 3% ( 25/ 30) Neurogenic t umors were manif est ed as water or soft tissue densit y, solid- cy stic or soft tissue mass was showed in liposar- coma, c st ic de enerat ion and marked enhancement were feat ure of heochromoc toma, mature c stic y g p y y t erat oma, lipoma had charact eristic appearance Co