原发性腹膜后肿瘤 (简称腹膜后肿瘤 )发病率约占全身肿瘤的 0 .0 7%～0 .2 % ,且以恶性肿瘤居多 ,手术切除是其主要治疗手段 ,但常常因肿瘤体积较大 ,且多与腹膜后重要脏器及大血管粘连 ,使手术切除比较困难 [1 ] 。我院自2 0 0 0年以来 ,对 15例腹膜后恶性肿瘤患者采用选择性 The incidence of primary retroperitoneal tumors (referred to as retroperitoneal tumors) accounts for about 0.07% ~ 0.2% of the total body tumors, and the majority of them are malignant tumors. Surgical resection is the main treatment method, but often due to tumor volume Large, and more with retroperitoneal visceral organs and large blood vessels adhesions, so that surgery is more difficult to remove [1]. In our hospital since 2000, 15 cases of retroperitoneal malignant tumors in patients with selective