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患儿:男,5个月。因左腹包块1周,当地医院B超检查疑肾积水而收入院。1周前小儿哭闹,家长按摩腹部时发现有包块。既往无排尿困难、尿频和血尿史,无腹部外伤史。体检:一般情况可,心、肺无异常,肝、脾未及,左腹可扪及一囊性、质软、约成人拳头大包块,无压痛,稍活动。实验室检查:肝、肾功能正常,尿检(一)。B 超:肝及右肾未见异常,左肾区仅探及94 mm×38 mm 液性暗区,其内可见强回声光条及细小光点。IVU:右肾及输尿管显影良好,左肾90分钟仍未显影。氯胺酮麻醉下行左肾穿刺造影:左
Children: male, 5 months. Due to left abdominal mass 1 week, the local hospital suspected of hydronephrosis B-income hospital. A week ago children crying, parents found abdominal massage mass. No previous dysuria, urinary frequency and history of hematuria, no history of abdominal trauma. Physical examination: the general situation can be, heart, lung no abnormalities, liver, spleen and palpable, the left abdomen palpable and a cystic, soft, about adult fist mass, no tenderness, a little activity. Laboratory tests: liver and kidney function is normal, urine test (a). B ultrasound: no abnormal liver and right kidney, left kidney area only to explore and 94 mm × 38 mm liquid dark area, which can be seen strong echo light bar and small light spots. IVU: Right kidney and ureter developed well, 90 minutes left kidney still undeveloped. Ketamine anesthesia downstream left renal biopsy: left