１病历摘要患者，男，３６岁。因疲倦、乏力、口干、多尿、体重下降两月余于２０００年６月４日入院。两月余前患者无明显原因开始自觉全身乏力，渐出现口渴、多饮，夜尿每晚２次～３次，尿量增多。起病以来，体重下降约２kg，夜间睡眠欠佳。患者食欲如常，无畏寒、怕热，无发 1 patient summary patient, male, 36 years old. Due to fatigue, fatigue, dry mouth, polyuria, weight loss more than two months in June 4, 2000 admitted. Two months ago, no obvious reason for the patient to begin to consciously malaise, gradually thirsty, drink more, nocturnal 2 to 3 times per night, increased urine output. Since onset, weight loss of about 2kg, poor sleep at night. Patients with normal appetite, no chills, fear of heat, no hair