患者女性,53岁,因“反复右下腹钝痛2个月”就诊我院,无恶寒发热,无恶心呕吐等不适,查体:于右下腹触及一5cm×4cm的肿物,质硬,边界清楚,活动度差。腹部B超提示右下腹腔骼前上棘上方探及一大小约5.29cm×2.73cm的低回声区,内回声欠均匀,边界尚清。血常规、生化、CEA、胸片均未见明显异常。剖腹探查见:腹腔内有少量渗出液,阑尾为鸡蛋大占位病变,与侧腹稍有粘连, Female patient, 53 years old, because of “repeated right lower quadrant dull ache 2 months ” visit our hospital, no chills and fever, no nausea and vomiting and discomfort, physical examination: touching the right lower quadrant of a 5cm × 4cm mass Hard, clear boundary, poor activity. Abdominal B-ultrasound prompts the lower right anterior superior abdominal cesarean superior exploration and a size of about 5.29cm × 2.73cm hypoechoic echo less uniform, the boundary is clear. Blood, biochemistry, CEA, chest X-ray showed no significant abnormalities. Caesarean exploration see: a small amount of exudate intraperitoneal, large appendix for the egg lesions, with a slight lateral adhesions,