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患儿：男，６岁。左上腹阵发性疼痛２天入院。患儿自３岁起时有阵发性腹痛，在基层医院３次住院，未能明确诊断。体检：左上腹膨隆，可触及卵圆形质软的包块。包块中间有切迹，活动度良好，大小约１２ｃｍ×８ｃｍ，触痛明显。Ｂ超：左上腹分叶状无回声区，其间作者单位：８４
Children: male, 6 years old. Left upper quadrant paroxysmal pain 2 days admission. Children with paroxysmal abdominal pain since the age of 3, 3 times hospitalized in primary hospitals, failed to confirm the diagnosis. Physical examination: the left upper abdomen bulge, palpable oval soft mass. Incision in the middle of the mass, good activity, the size of about 12cm × 8cm, tenderness significantly. B super: left upper abdomen leafy anechoic area, during which the author unit: 84