例1:女,35岁,农民。因反复发作性上腹部绞痛于1983年8月第5次住院。患者于1980年3月开始发作性上腹部剧烈绞痛,伴频繁恶心呕吐。疼痛难忍,但无放射痛,不伴畏寒、发热,无任何诱因,与月经无关。经常有便秘。曾先后4次在省立医院及他院住院诊治,均被误诊为急腹症,如急性胆囊炎、胆石症、胆道蛔虫症、急性胰腺炎等。多次检查血尿常规、肝肾功能、血尿淀粉酶测定均属正常。肝胆超声波、胃肠钡餐造影与逆行胰胆管造影无异常发现。曾于1981 Example 1: Female, 35 years old, farmer. Due to recurrent upper abdominal cramps in August 1983 the fifth hospitalization. Patients began in March 1980 onset of severe upper abdominal cramps, with frequent nausea and vomiting. Pain unbearable, but no radiating pain, not with chills, fever, without any incentive, has nothing to do with menstruation. Often have constipation. Has four times in the Provincial Hospital and his hospital for treatment, were misdiagnosed as acute abdomen, such as acute cholecystitis, cholelithiasis, biliary ascariasis, acute pancreatitis. Multiple tests of hematuria, liver and kidney function, hematuria, amylase determination are normal. Hepatobiliary ultrasound, gastrointestinal barium meal angiography and retrograde cholangiopancreatography no abnormal findings. In 1981