Diagnosis of Renal Angiomyolipomas: Classic, Fat-Poor, and Epithelioid Types

Masahiro Jinzaki, Stuart G. Silverman, Hirotaka Akita, Shuji Mikami, Mototsugu Oya

研究成果: Article査読

26 被引用数 (Scopus)


With the increasing discovery of small renal masses with cross-sectional imaging, there has been the concomitant rise in their treatment. With the intent of early curative surgery for a presumed renal cell carcinoma, many renal masses are being resected at surgery without a confirmed diagnosis. Many of them are benign, and some are angiomyolipomas. The diagnosis of renal angiomyolipoma using imaging is, therefore, is as important as ever. Although most, if not all angiomyolipomas with abundant fat are diagnosed readily, some have too little fat to be detected with imaging. This article reviews the current classification, imaging pitfalls, and diagnosis of angiomyolipoma with an emphasis on the fat-poor types. Proper imaging technique, a thorough search for fat, and the appropriate use of percutanoeus biopsy are all needed to eliminate the unnecessary treatment of these benign neoplasms.

ジャーナルSeminars in Ultrasound, CT and MRI
出版ステータスPublished - 2017 2月 1

ASJC Scopus subject areas

  • 放射線学、核医学およびイメージング


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