患者男性，30岁。双下肢不能行走12天加重2天入院。入院前10天，患者出现腰背部不适，右足底麻木，逐渐整个右下肢由下及上麻木，不能支持体重，且大便干结，小便滴淋不畅。人院前2天，患者不能行走，且左下肢也出现麻木，无力感。查体：右侧自助弓下皮肤感觉减退；右下肢肌力1 The patient is male, 30 years old. Both lower limbs could not walk for 12 days and were hospitalized for 2 days. Ten days before hospitalization, the patient developed low back discomfort, numbness of the right foot, gradual numbness of the entire lower right limb from below and above, unable to support weight, dry stool, and dripping. Two days before the hospital, the patient could not walk, and the left lower extremity also showed numbness and inability. Physical examination: Defebration of the skin under the right self-service bow; Right lower limb muscle strength 1