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患者男,48岁。于1979年确诊为糖尿病。自此该患经常以控制饮食,口服降糖药维持,尿糖波动在+~++++。偶尔出现尿酮体阳性,从未注射过胰岛素。于1986年10月中旬发现左踝部及大小腿中部内侧出现数个大小不等的水疱,未经医生诊治,自用龙胆紫药水涂抹,1周内自愈,未发生感染,也未留痕迹。1987年2月15日,发现左背部及右臀部出现数个大小不等
Male patient, 48 years old. In 1979 was diagnosed with diabetes. Since then the suffering often to control the diet, oral hypoglycemic agents to maintain, urine glucose fluctuations in the ~ ~ ++++. Occasionally urinary ketone body positive, never injected insulin. In mid-October 1986 found that the left ankle and the medial large calf medial blisters appear several sizes, without medical diagnosis and treatment, gentian violet potion for self-healing within 1 week, no infection, but also without traces. February 15, 1987, found that left back and right hip appear several sizes