感染を伴った腎嚢胞自然破裂の1例

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68歳男.左側腹部痛及び発熱で発症した,感染を伴った左巨大腎嚢胞の自然破裂の1例を報告した.画像所見より嚢胞と尿路との交通が認められた.持続ドレナージの後,無水エタノールを注入した.本症例は,腎嚢胞破裂としては本邦16例目であったA 68-year-old man who had been followed at 1-year intervals for a left giant renal cyst was referred to our hospital for left flank pain and fever elevation. Abdominal computed tomographic scan revealed a giant cystic lesion of the left kidney suspected to be communicating with the urinary tract. Percutaneous puncture of this lesion was performed and the fluid was drained. The fluid was yellowish and cloudy, and E. coli was detected by its culture. Injection of contrast medium showed communication between the cyst and the urinary tract. The patient underwent drainage for a ruptured renal cyst. Rupture of a renal cyst is uncommon, and this is the 16th case reported in Japan.