原发椎管内——后纵隔哑铃型生殖细胞瘤罕见,现报告一例如下: 患者男,21岁,因胸背部疼痛伴双下肢麻木无力三个月,行走困难,小便失禁一个月于1987年3月17日入院。无心悸,咳嗽,呼吸困难等伴随症状。体检:心肺无异常发现,胸第五肋以下躯干痛觉消失,下肢肌力Ⅲ级,肌张力增高,腹壁反射和提睾反射消失, Primary vertebral - posterior mediastinal dumbbell type germ cell tumor rare, a report is as follows: The patient male, 21 years old, due to chest and back pain with weak legs and numbness in three months, walking difficulties, incontinence a month in 1987 March 17 admission. No heart palpitations, cough, difficulty breathing and other symptoms. Physical examination: no abnormal heart and lung findings, chest fifth rib below the trunk pain disappeared, lower limb muscle strength grade Ⅲ, increased muscle tone, abdominal wall reflex and cremasteric reflex disappeared,