腹膜后肿瘤少见,又无特殊症状,因此就医晚,且肿瘤大,多侵及邻近器官、血管、临床很难准确判断其大小和准确部位.外科手术切除是本病的基本治疗方法. 一、手术适应证及禁忌证手术适应证: (一)凡怀疑腹膜后肿瘤,不论良性、恶性,不论体积大小,只要没有禁忌证者,皆应手术探查. (二)探查时未能切除肿瘤,探查后经放射治疗或 Retroperitoneal tumors are rare, and there are no special symptoms, so the doctor is late, and the tumor is large, invading and adjacent organs, blood vessels, clinically difficult to accurately determine the size and exact location. Surgical resection is the basic treatment of the disease. Surgical Indications and Contraindications Surgical Indications: (1) All suspected retroperitoneal tumors, be they benign or malignant, regardless of their size, should be surgically explored as long as there are no contraindications. (b) Failure to remove the tumor during probing, exploration After radiation therapy or