患者，男，13岁。多饮、多尿、多食、消瘦1月，加重伴昏迷1天入院。入院前1月，患者无任何诱因出现多食、多饮、多尿，随后体重减轻，伴头昏、乏力，未引起重视。入院前3天患者在乡村卫生所求治，在未完全明确诊断情况下，给予静脉滴注葡萄糖连续治疗3天，病情加重陷入深昏迷， Patient, male, 13 years old. Drink more, more urine, more food, weight loss January, increased with coma 1 day admission. January before admission, patients without any incentive to eat more, drink more, more urine, then weight loss, with dizziness, fatigue, did not pay attention. Three days before admission, the patients sought treatment in the rural clinics. Without complete and definite diagnosis, they were treated with intravenous glucose for 3 consecutive days. Their condition worsened into a deep coma,