患者女性,20岁,因双下肢不完全截瘫近4年入院。4年前患者曾因头痛、头晕伴流涕等不适症状就诊于当地医院,诊断为“感冒”,给予对症处理,病情无缓解。在治疗过程中出现双下肢麻木、无力,渐发展至双下肢感觉、运动障碍。先后转治多家医院均无明确诊断,症状也无明显改善。最后诊断 Female patient, 20 years old, due to incomplete paraplegia of both lower extremities admitted to hospital for nearly 4 years. 4 years ago, the patient was diagnosed as “cold” due to headache, dizziness and runny nose and other symptoms. He was given symptomatic treatment and his condition was not alleviated. In the course of treatment appear double lower extremity numbness, weakness, gradually developed to feel both legs, dyskinesia. Has transferred to a number of hospitals without a clear diagnosis, no significant improvement in symptoms. The final diagnosis