１　病例资料【例１】　男，３５岁。右下腹持续性胀痛３个月，阵发性加重，有时伴发热、恶心、呕吐入院。入院前２个月发现右下腹一核桃大小的肿块，增大迅速。发病后在外院先后按阑尾炎、阑尾周围脓肿给予消炎等对症治疗，病情无好转。查体：一般情况可，全身皮肤粘膜无黄染? 1 case information [Example 1] male, 35 years old. Right lower quadrant persistent pain for 3 months, paroxysmal increase, sometimes with fever, nausea and vomiting. 2 months before admission found a right lower quadrant a walnut-sized mass, increasing rapidly. After the onset of appendicitis in the hospital has by appendicitis, abscess around the appendix given anti-inflammatory symptomatic treatment, the condition did not improve. Physical examination: the general situation can be, the body skin and mucous membrane without yellow dye?