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75歳,男性.主訴は肉眼的血尿後の無尿.左腎は著明な水腎症を呈する無機能腎で,原因は不明.腹部CTで右腎腹側中央部に2.9×1.9cmの腫瘤を認め,右腎動脈造影では腎動脈腹側枝を栄養血管とする富血管性の病変が認められた.純エタノール2.5mlおよびゼルフォーム細片少量を用いて,右腎動脈腹側枝の塞栓術を行った.11ヵ月経過後,腹部CTで明らかな腫瘤病変は認めず,腎機能は良好である.
A 75-year-old man was hospitalized. because of anuria following hematuria. An enhanced CT scanrevealed a left nonfunctioning kidney due to hydronephrosis of unknown cause and a small mass at theanterior anpect of the right kidney. Renal function improved by right ureteral catheterization. A localizedhypervascular neoplasm of the right kidney was demonstrated by renal arteriography. The segmental arterysupplying the tumor was selectively catheterized and embolized using absolute ethanol 2.5ml and absorbablegelatin cubes (Gelfoam).
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