患儿,男,14岁,因“持续性右下腹痛3天,加重伴发热1天”入院。既往体健,无类似病史。入院查体:T39.2℃,R30次/分,P98次/分,BP12/8kPa。腹部检查:腹部略隆起,腹式呼吸消失,未见胃肠型及蠕动波,全腹压痛(+),反跳痛(+),腹肌紧张,以右下腹为著,右下腹可扪及—约8×8(cm)大小肿物,活动度差、质硬、边界清楚,肠鸣音较弱。查血常规 Children, male, 14 years old, were admitted to hospital for “persistent right lower quadrant pain for 3 days, aggravated with fever for 1 day”. Past physical health, no similar history. Admission examination: T39.2 ℃, R30 times / min, P98 times / min, BP12 / 8kPa. Abdominal examination: Abdomen slightly elevated, abdominal respiration disappeared, no gastrointestinal and peristaltic waves, full abdominal tenderness (+), rebound tenderness (+), abdominal muscle tension, with the right lower abdomen, palpable right lower quadrant - About 8 × 8 (cm) size of the tumor, poor mobility, hard, clear boundary, weeping sound is weak. Check the blood routine