患者，女性，15岁。反复下腹部坠痛半年，无发热，常与月经期发作。1998年4月17日来院就诊。查体：右下腹有压痛，无肌紧张，未触及包块。化验：白细胞总数9．6×109／L，P0．67，L0．33。B超示右下腹部混合性包块。静脉肾益造影示右肾及输尿管缺如。入院后诊断为一阑尾周围脓 Patient, female, 15 years old. Repeated lower abdomen pain half a year, no fever, often with menstrual seizures. April 17, 1998 to the hospital. Physical examination: right lower quadrant tenderness, no muscle tension, no mass touched. Assay: The total number of leukocytes 9.6 × 109 / L, P0.67, L0.33. B ultrasound shows lower right abdomen mixed mass. Renal angiography shows the right kidney and ureter absent. After admission diagnosed as an appendix around the pus