患儿 ,男 ,10岁。入院前 2ｄ无明显诱因出现脐周阵发性疼痛 ,无恶心、呕吐、腹泻及发热 ,1ｄ后腹痛转移至左下腹 ,伴左侧阴囊胀痛。 2年前曾因左侧睾丸鞘膜积液而手术治疗。查体 :体温 37 5℃ ,心率 90次 /ｍｉｎ,呼吸 2 3次 /ｍｉｎ。患者一般情况好 ,心肺无异常。腹平软 ,左 Children, male, 10 years old. 2d before admission there was no obvious incentive to occur umbilical paroxysmal pain, no nausea, vomiting, diarrhea and fever, abdominal pain transferred to the left lower quadrant after 1d, with left scrotal pain. 2 years ago because of the left testis hydrocele surgery. Physical examination: body temperature 37 5 ℃, heart rate 90 beats / min, breathing 2 3 beats / min. Patients generally good, no abnormal heart and lung. Abdomen soft, left