男患,64岁。于8年前易饥多食,烦渴多饮、多尿。外院诊断为糖尿病而住院治疗。经饮食控制及口服降糖药,病情有所缓解。近2个月来,有对称性四肢末端麻木,遇冷时加重。4天前双(?)、足麻木,时有触电感,次日双下肢沉重。双足行走时有踏棉感,逐渐不能行走,急来我院。化验空腹血糖14mmol/L, Male suffering, 64 years old. Easy to eat more hungry 8 years ago, polydipsia and polydipsia, polyuria. Outside the hospital diagnosed with diabetes and hospitalization. After diet control and oral hypoglycemic agents, the condition eased. Nearly two months, there are symmetrical limb numbness, increased when cold. 4 days ago Double (?), Numbness, sometimes with electric shock, the next day double lower limbs heavy. Picasso tread cotton feeling, gradually unable to walk, anxious to our hospital. Fasting blood glucose 14mmol / L,