1病例报告患者女,47岁。因口渴、多饮、多尿、乏力伴体重下降1个月入院。1个月前无明显诱因下出现口干、多饮(每天饮水约3000 ml)、多尿(每天尿量约3500 ml),伴全身乏力,偶有怕热、多汗,体重较前下降约3 kg,无心悸、手抖、腹泻等症状。近来自觉上述症状加重,遂来就诊。门诊查空腹血糖10.2 mmol/L,餐后2 h血糖16.3 mmol/L,尿糖(++),以2型糖尿病收入院。既往 A case report patient female, 47 years old. Due to thirst, drink more, more urine, fatigue with weight loss 1 month admission. 1 month ago there was no obvious incentive to appear dry mouth, drink more (daily drinking water about 3000 ml), polyuria (daily urine output of about 3500 ml), with generalized weakness, occasional fear of heat, sweating, body weight decreased 3 kg, no heart palpitations, hand shaking, diarrhea and other symptoms. Recently aware of the above symptoms, then came to the clinic. Outpatient check fasting blood glucose 10.2 mmol / L, postprandial blood glucose 16 h 2 mmol / L, urine sugar (++), to type 2 diabetes hospital. Past