Methods Among 9 cases with sacral chordoma,6 cases were treated with posterior approach and 3 cases with combined anterior-posterior approach.5 cases received internal fixation.

• 方法9例原发骶骨脊索瘤采用后方入路手术6例,前后联合入路手术3例,腰骶部后路钉棒系统内固定5例。