1　病例报告　　男 ,5 7岁。主因间断性右下腹痛 8a,发现腹部肿块 9月于1999- 0 1- 0 7入院。患者于 8a前无诱因出现右下腹痛 ,为阵发性针刺样痛 ,伴恶心 ,非喷射样呕吐 ,为胃内容物 ,无低热、盗汗。在当地医院诊断为急性阑尾炎行手术切除 ,术中见阑尾呈红肿样改变 ,其旁见一囊 1 Case report Male, 5 years old. Mainly due to intermittent right lower abdominal pain 8a, abdominal mass was found in September 1999 admitted to hospital. The patient had no cause of right lower quadrant pain before 8a. It was a paroxysmal acupuncture-like pain with nausea and non-jet-like vomiting. It was gastric contents without low fever and night sweats. The diagnosis of acute appendicitis was performed at the local hospital. During the operation, the appendix was seen as red-swelled and changed.