椎管内神经鞘瘤好发于髓外硬膜内，临床较少见，因其首发症状常为根性疼痛，易与临床常见病如腰椎间盘突出症相混淆，常导致临床误诊及治疗上的失误。１９９０—１９９６年我院共收治胸及腰椎管内神经鞘瘤１７例，现报告如下。１临床资料１７例中，男性１０例，女性７例；... Intraspinal schwannomas occur predominantly in the extramedullary dura mater, and are rare in clinical practice because the first symptom is often root pain. It is easily confused with clinical common diseases such as lumbar disc herniation, which often leads to clinical misdiagnosis and treatment. Mistakes. From 1990 to 1996, 17 cases of schwannoma and lumbar spinal schwannoma were treated in our hospital. The report is as follows. 1 clinical data in 17 cases, 10 males and 7 females;