周××,男,62岁,干部。1986年6月无诱因出观多食、多饮、多尿,消瘦。6月底出现右足趾麻木疼痛,半月后发现右足四、五趾发黑,趾端形成脓疮。在某院诊为糖尿病合并肢端坏疽,动员截肢,患者惧怕截肢于同年8月24日入我院治疗。入院前一年有脑血栓 Zhou × ×, male, 62 years old, cadre. June 1986 no incentive to eat more, drink more, more urine, weight loss. The right toe numbness pain appeared at the end of June, after half a month found that the right foot four, five toe black, toe formation abscess. In a hospital diagnosed with diabetic gangrenous gangrene, amputation mobilization, patients were afraid of amputation in August 24 the same year into our hospital. One year prior to admission, there was cerebral thrombosis