骨盆肿瘤分为原发性肿瘤和转移瘤。前者主要以软骨肉瘤、骨肉瘤、脊索瘤和神经源性肿瘤多见,发病率占原发性骨肿瘤的10%～15%;转移瘤常见于乳腺癌、肾癌、前列腺癌、肺癌的骨转移。张新涛等统计骨盆转移肿瘤占所有骨转移性肿瘤的18.72%。骨盆肿瘤发病隐匿,部位特殊,术中出血多,切除与重建难度大,术后并发症多,死亡率高。有些学者报道,结合放化疗的 Pelvic tumors are divided into primary tumors and metastases. The former mainly chondrosarcoma, osteosarcoma, chordoma and neurogenic tumors more common, the incidence of primary bone tumors accounted for 10% to 15%; metastases common in breast cancer, kidney cancer, prostate cancer, lung cancer Transfer. Statistics Zhang Tao and other pelvic metastases accounted for 18.72% of all bone metastases. The incidence of pelvic tumor occult, special site, intraoperative bleeding, resection and reconstruction difficult, postoperative complications, high mortality. Some scholars have reported that combining chemoradiation