患者男,27岁。1988年10月起,无诱因出现后颈沉重感,疼痛,右手指、右足麻木,右手活动无力,右上肢肌肉渐萎缩,行走无力。1989年8月起,左足亦感麻木,颈以下皮肤干燥,少汗,便秘,小便费力,阳萎。家族中无类似病人。于同年11月21日入院。查体:颅神经正常,右胸锁乳突肌中段、右背第三肋肩胛线内侧各触及一肿块,右肘窝处可触及2个肿块,大者1.2cm× Patient male, 27 years old. From October 1988 onwards, there is no incentive causes a heavy neck, pain, right hand numbness, right hand weakness, right upper extremity muscle shrinking, weakness. From August 1989 onwards, the left foot is also numb, dry skin below the neck, less sweat, constipation, urination, impotence. No similar family in the patient. In the same year on November 21 admitted. Physical examination: normal cranial nerves, the right sternocleidomastoid muscle mid-right back of the third rib scapular line medial touching a lump, the right elbow fossa can reach 2 lumps, the largest 1.2cm ×