1病例报告例1,男,62岁。主因间断腹胀15d,黑便2d,呕血12h于2006年11月29日入院,患者自诉15d前无明显诱因出现全腹部胀满不适,无恶心、呕吐,2d前出现黑便1次,大便不成形,量不详,2d前进餐后解黑便1次,约300ml左右,未引起注意,于12h前出现恶心、呕血,呕血2次,呈咖啡色,约1000ml,并 1 case report 1, male, 62 years old. The main abdominal distention caused by intermittent 15d, melena 2d, hematemesis 12h admitted on November 29, 2006, the patient self-vocations 15d no obvious incentive to appear full abdomen discomfort, no nausea, vomiting, dark stools before 2d 1, stool is not formed , The amount is unknown, 2d forward meal after the black solution will be 1, about 300ml or so, did not pay attention, 12h before nausea, hematemesis, vomiting 2 times, was brown, about 1000ml, and