近二十年来,随着骨盆肿瘤分区概念的提出,外科手术方法的进步,影像学技术的革新,各种骨盆重建方法的发展以及化疗方案的改进,半骨盆内切除术的保肢手术已经成为治疗骨盆肿瘤的主要方法[1~4]。半骨盆截肢术主要用于侵袭广泛的骨盆恶性肿瘤,此外还偶尔用于肢体的毁损性创伤、难以 In the recent two decades, with the introduction of the concept of pelvic tumor zoning, the advancement of surgical methods, the innovation of imaging techniques, the development of various pelvic reconstruction methods and the improvement of chemotherapy regimens, semi-pelvic resection limb salvage surgery has become The main method of treatment of pelvic tumors [1 ~ 4]. Semi-pelvic amputation is mainly used to attack a wide range of pelvic malignancies, in addition occasionally used for limb injuries, difficult to