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患者,男性,20岁。9个月前突感双下肢痛,沿股后放射至足根,服去痛片可缓解,疼痛反复发作,于夜间加重。6个月后出现双下肢无力,麻木至足趾,同时伴腰痛,大小便困难入院。体检:步态缓慢无力,T棘突明显固定压痛。脐以下感觉减退,越向远端麻木越重。双下肢除股四头肌肌力Ⅱ°外,余各群肌力均系Ⅲ～Ⅳ°。腹壁反射存在;膝反射右侧亢进;左测消失,踝阵挛右(±),左(-)。脊髓碘(Amipaque)造影示:造影剂于L_2近上缘完全梗阻,呈双杯状。L_(3、4)至S_1上缘间有3个各
Patient, male, 20 years old. 9 months ago sudden senses of lower extremity pain, radiation along the Unit to the foot, take to pain tablets can be alleviated, recurrent pain, aggravated at night. 6 months after the emergence of weakness in both lower extremities, numb to the toes, accompanied by low back pain, difficulty in admission. Physical examination: gait slowly weak, T spinous process significantly fixed tenderness. Following the umbilical sense of diminish, the more numb to the distal heavier. Exhaust quadriceps lower extremity muscle strength II °, I each muscle strength are Ⅲ ~ Ⅳ °. Abdominal wall reflex exists; knee reflex on the right side of hyperactivity; left test disappeared, ankle clonus right (±), left (-). Spinal cord iodine (Amipaque) angiography show: Contrast agent in the proximal L_2 complete obstruction, was double-cup. L_ (3,4) to S_1 upper edge of the three each