脊索瘤为少见低度恶性肿瘤，来源于胚胎脊索残余，我院收治2例，现结合文献复习报告如下。1临床资料例1，男，50岁。因骶部痛、肿，以骶部肿物入院。查体：一般情况良好，骶后可触及8cm×3cm肿物，质硬，皮色正常。肛诊直肠外可触及巨大较硬之肿物，直肠、膀胱无刺激症状。实验 Chordoma is a rare low-grade malignancy, derived from the residual spinal cord, our hospital admitted in 2 cases, are combined with the literature review report is as follows. 1 clinical data example 1, male, 50 years old. Because of sacral pain, swelling, to sacral mass admission. Physical examination: the general condition is good, after the sacral palpable 8cm × 3cm mass, hard, normal skin color. Rectal rectal surgery can reach a huge hard tumor, rectum, bladder irritation. experiment