Objective to study the methods for reconstruction of pelvic ring after subtotal sacrectomy of primary sacral bone tumor.
目的探讨原发性骶骨肿瘤切除后重建骨盆环的方法。
Objective:To investigate the surgical approach and indication of total sacrectomy for primary multilevel malignant sacral tumors.
目的：探讨对骶骨多节段恶性肿瘤施行全骶骨切除术的手术入路、手术方式及适应证。
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