Clear Cell Adenocarcinoma Arising from Clear Cell Adenofibroma of the Ovary: Value of DWI and DCE-MRI

Mayumi TAKEUCHI; Kenji MATSUZAKI; Hisanori UEHARA; Hiroyuki FURUMOTO; Masafumi HARADA

doi:10.2463/mrms.2013-0001

Case Reports

Clear Cell Adenocarcinoma Arising from Clear Cell Adenofibroma of the Ovary: Value of DWI and DCE-MRI

Mayumi TAKEUCHI, Kenji MATSUZAKI, Hisanori UEHARA, Hiroyuki FURUMOTO, Masafumi HARADA

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Keywords: clear cell adenofibroma, clear cell adenocarcinoma, magnetic resonance imaging, MRI, ovary

JOURNAL OPEN ACCESS

2013 Volume 12 Issue 4 Pages 305-308

DOI https://doi.org/10.2463/mrms.2013-0001

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Abstract

Clear cell adenofibroma (CCAF) is a rare surface epithelial-stromal tumor of the ovary and recently considered another precursor of clear cell adenocarcinoma (CCA) other than endometrioma. We report magnetic resonance (MR) findings of a borderline CCAF that contained a small CCA focus. The tumor manifested a characteristic “black sponge” appearance. The CCA focus showed high signal intensity on diffusion-weighted imaging (DWI) and early enhancement on dynamic contrast-enhanced (DCE) MR imaging (DCE-MRI), and the CCAF components showed low signal intensity on DWI and gradually increasing contrast enhancement on DCE-MRI.

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