1临床资料患者农民,男,34岁,已婚。因为反复腹泻、剑突下疼痛2年,加重半月,于1996年10月入院。1994年起不明原因每隔3~5d出现1~2d大便次数增加,为黄色稀便或水样便,量较多,发病时5~6次/d,无粘液脓血、无里急后重感,也无畏寒发热,未经正规诊治。病情缓慢进展,偶有剑突下隐痛。19 1 clinical data patient peasant, male, 34 years old, married. Because of repeated diarrhea, sphincter of pain for 2 years, increased half a month, admitted to hospital in October 1996. 1994 unknown causes every 3 ~ 5d appeared 1 ~ 2d stool frequency increased, yellow loose stools or watery stools, the amount of more, when the onset of 5 to 6 times / d, no mucus and sesame oil, no sense of urgency after heavy, but also Fearless fever, without formal diagnosis and treatment. Slow progression of the disease, occasionally under the xiphoid pain. 19