病例简介患者女,55岁,2010年7月出现腰骶部阵发性疼痛,平卧时明显加重,侧卧或休息时缓解,每次发作约10min。不伴有双下肢感觉运动障碍。于当地医院就诊,以“腰椎间盘突出症”给予中医药治疗,疼痛未见明显好转。2011年7月行腰椎MRI及骨盆CT检查,发现S2骶骨以下及周围软组织肿块(图1、2),考虑占位性病变,脊索瘤可能性大。行穿刺活检,病理会诊结果诊断为浆细 Case description Female patient, 55 years old, in July 2010 showed lumbosacral paroxysmal pain, significantly increased when supine, lateral or resting ease, each attack about 10min. Not accompanied by lower extremity sensory dyskinesia. At the local hospital for treatment, with “lumbar disc herniation” to give Chinese medicine treatment, no significant improvement in pain. July 2011 line lumbar MRI and pelvic CT examination, found below the sacral sac and soft tissue mass (Figure 1, 2), consider the space-occupying lesions, chordoma is likely. Line biopsy, pathological consultation diagnosed as thin pulp