Objective to analyze the reasons why cervical part , arm pain and numbness , low back pain with asthenia of both lower extremities , and left knee joint swelling and pain caused by cervical , thoracic and lumbar spinal stenosis were misdiagnosed , and to investigate how to treat it 摘要目的分析探討伴頸、臂麻痛,腰痛并雙下肢無力、左膝關(guān)節(jié)腫痛癥狀的頸、胸、腰椎管狹窄征的誤診原因及診治方法。