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患者女,51岁。半年前出现膝关节以下麻木无力,后逐渐蔓延至双侧大腿根部,症状进行性加重,3个月后已不能独立行走。体检:四肢肌张力正常,右下肢肌力2级,左下肢肌力1级。双侧T_(11)以下痛觉减退,左下肢膝关节以上深浅感觉下降,膝关节以下、脚部深浅感觉消失,右下肢深浅感觉下降,会阴部感觉下降,肛门反射未引出,双侧巴宾斯基征阳性,左侧膝跳反射减弱,右侧正常。磁共振检查:T_(9~11)水平椎管内可见条形长T_1、稍长T_2
Female patient, 51 years old. Six months ago, the knee appeared numbness weakness, and gradually spread to the bilateral thigh roots, progressive worsening of symptoms, 3 months have been unable to walk independently. Physical examination: Normal limb muscle tension, right lower extremity muscle strength 2, left lower extremity strength 1. Bilateral T_ (11) below the pain decreased, left lower extremity below the knee feel the depth of shades, below the knee, feet disappeared sense of depth, right lower extremity feeling decreased, decreased perineal reflex, anal reflex did not lead to the bilateral Barbiess Base sign positive, knee knee reflex decreased, the right normal. MRI: T_ (9 ~ 11) horizontal spinal cord can be seen long T_1, slightly longer T_2