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英文誌(2004-)

Journal of Medical Ultrasonics

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1986 - Vol.13

Vol.13 No.03

Case Report(症例報告)

(0197 - 0201)

術前診断が困難であった腎血管筋脂肪腫の1例

A Case of Bilateral and Multiple Renal Angiomyolipoma without Tuberous Sclerosis

大橋 英行1, 岡 薫1, 竹原 靖明2, 関根 英明3, 北原 聡史3, 永松 秀樹3

Hideyuki OHASHI1, Kaoru OKA1, Yasuaki TAKEHARA2, Hideaki SEKINE3, Satoshi KITAHARA3, Hideki NAGAMATSU3

1関東中央病院泌尿器科, 2関東中央病院画像診断科, 3東京医科歯科大学医学部泌尿器科

1Department of Urology, Kanto Central Hospital, 2Department of Diagnostic Imaging, Kanto Central Hospital, 3Department of Urology, Tokyo Medical and Dental University

キーワード : Angiomyolipoma, Renal cell carcinoma, Marked hyperechoic nodules, Hypoechoic mass

 A case of bilateral and multiple renal angiomyolipoma without tuberous sclerosis was reported. There were multiple marked hyperechoic nodules in bilateral kidney and a large hypoechoic mass at the lower pole of the left kidney. We considered the nodules as multiple angiomyolipoma and the mass as renal cell carcinoma. But pathologically, both were angiomyolipoma and the former were mainly composed of lipoma and the latter was mainly composed of myoma. Angiomyolipoma has come to be easy to diagnose by CT, Ultrasound and so on, but hypoechoic angiomyolipoma lacking in adipose cells is still apt to be confused with renal cell carcinoma. We realized keenly that needle biopsy or aspiration cytology should be done in such a case.