脊索瘤是起源于错置或残留的胚性脊索组织、生长缓慢、较为少见的一种肿瘤。骶椎是多发部位。现报告一例如下。 患者,女,28岁。10个月前出现不明原因的持续腰骶痛并左下肢放射。先后以“腰椎骨质增生、椎间盘突出”治疗,疗效不佳,且进行性持续加重,夜间明显。大小便正常。 体检:腰5～骶1棘间压痛,叩击痛,并向左下肢传导。直腿抬高试验左20°、右50°,加强试验双侧 Chordoma is a tumor that originates from misplaced or residual embryonic chordal tissue, which grows slowly and is rare. Sacral vertebra is a multiple site. Here is an example of the report. Patient, female, 28 years old. Unidentified persistent lumbosacral pain and left lower extremity radiation 10 months ago. Has “lumbar hyperostosis, disc herniation” treatment, poor efficacy, and progressive continued to increase significantly at night. Normal urine. Physical examination: lumbar 5 ~ sacral 1 interspinous tenderness, percussion pain, and to the left lower extremity conduction. Straight leg elevation test left 20 °, right 50 °, to strengthen the test on both sides