例1 男,19岁,因两下肢麻木伴行走困难4个月于1983年9月20日入院。检查:神清,颅神经(一),两下肢肌张力增高。肌力Ⅴ级,胸_(4.5)以下痛觉减退,深感觉尚存,两下肢腱反射亢进,病理反射(一),腰穿奎根试验完全梗阻,脑脊液蛋白定量0.8g/L,椎管造影见胸_6受阻,上端呈不典型杯口状影。诊断为椎管内肿瘤(胸_(4.5))。在局麻下行椎板减压肿瘤切除术。术中见肿瘤位于胸_(4.5)硬脊膜外.约1cm×1cm Example 1 Male, 19 years old, admitted to hospital on September 20, 1983 due to difficulty in walking with lower extremity numbness. Check: God clear, cranial nerves (a), lower limb muscle tension increased. Muscle strength Ⅴ level, chest _ (4.5) the following pain hypodermic, deep feeling surviving, both lower extremity tendon hyperreflexia, pathological reflex (a), complete obstruction of lumbar puncture Kuigen test, quantitative cerebrospinal fluid protein 0.8g / L, See _6 blocked, the top was atypical cup mouth shadow. Diagnosis of an intrathecal tumor (Thoracic (4.5)). Under local anesthesia laminectomy tumor resection. Surgery, see the tumor in the chest _ (4.5) outside the epidural. About 1cm × 1cm