患者，女，３７岁，农民，主因皮疹３ａ余，间断腹痛１ａ于１９９９年３月２０日入院。１９９５年初患者无诱因出现四肢及躯干皮疹，伴搔痒，皮疹成批出现，院外抗过敏等治疗；１９９８年１月无诱因出现纳差，恶心、间断性脐周绞痛，持续数分钟后自行缓解，伴大便次数增多（为 The patient, female, 37 years old, and the farmer, were mainly hospitalized for more than 3a of rashes, and intermittent abdominal pain 1a was admitted to hospital on March 20, 1999. In the beginning of 1995, the patient had no incentive to have limbs and trunk rash, pruritus, rash in groups, and anti-allergic treatment outside the hospital; in January 1998, there was no incentive for anorexia, nausea, intermittent umbilical colic, and spontaneous remission after several minutes. , with increased stool frequency (for