1临床资料患者,男,26岁,藏族,僧人,以反复恶心、呕吐,黄疸伴纳差、乏力1 mo入院.患者1 mo前无明显诱因出现反复恶心、呕吐胃内容物,食欲减退,饮食量少,疲乏无力,随后出现黄疸,小便呈棕红色,量少,在当地县医院诊治,未明确诊断,在治疗过程中反复鼻腔出血,曾有柏油样便2 d,曾昏迷2 1 Clinical data Patients, male, 26 years old, Tibetan, monks to recurrent nausea and vomiting, jaundice with anorexia, fatigue 1 mo admitted to the hospital .There was no obvious incentive to patients 1 n of repeated nausea, vomiting stomach contents, loss of appetite, diet Less, tired and weak, followed by jaundice, urine was brown, less, in the local county hospital diagnosis and treatment, not a clear diagnosis, repeated nasal hemorrhage in the course of treatment, had a tarry stool 2 d, had coma 2