颈髓肿瘤临床表现复杂、多样，特别是不典型的颈髓肿瘤早期诊断很困难。本文报告5例均曾先后误诊为运动神经元病、颈椎病、颈椎间盘脱出并椎管狭窄及上肢麻木伴颈、肩剧痛。1典型病历例1：女，28岁。2年前产后10天出现双下肢无力继而双上肢无力。病后1年尿频，近半年症状逐渐加 Clinical manifestations of cervical spinal cord tumor is complex and diverse, especially atypical cervical spinal cord tumors is difficult to diagnose early. This article reports five cases have been misdiagnosed as motor neuron disease, cervical spondylosis, cervical disc prolapse and spinal stenosis and upper limb numbness with neck and shoulder pain. A typical case history 1: Female, 28 years old. Two years ago 10 days after the emergence of double lower limb weakness followed by upper extremity weakness. 1 year after the disease, frequent urination, symptoms gradually increase in the past six months