病历摘要患者男,43岁,农民,半年前始有脐周及下腹部阵发性隐痛,不放射,与进食、体位无关,亦不伴恶心及呕吐,每次持续半小时许。病后月余出现腹泻,每日2～3次,有少量粘液,但无脓血,亦无里急后重感,大便前后腹痛无明显变化。曾多处医院就 Patient male, 43 years old, farmer, had umbilical cord and lower abdomen half a year before onset of paroxysmal pain, no radiation, and eating, not related to position, nor with nausea and vomiting, each sustained for half an hour Xu. Diarrhea occurs more than a month after the illness, 2 to 3 times a day, a small amount of mucus, but no pus and blood, no tenesmus sense of stool before and after no significant change in abdominal pain. Many hospitals have been