The Mechanism Causing High-signal Intensity on Diffusion-weighted Imaging in Adnexal Torsion: Two Case Reports

Shinya Fujii; Naoko Mukuda; Kanae Nosaka; Takeru Fukunaga; Chie Inoue; Toshihide Ogawa

doi:10.2463/mrms.cr.2016-0105

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The Mechanism Causing High-signal Intensity on Diffusion-weighted Imaging in Adnexal Torsion: Two Case Reports

Shinya Fujii, Naoko Mukuda, Kanae Nosaka, Takeru Fukunaga, Chie Inoue, Toshihide Ogawa

著者情報

キーワード: magnetic resonance imaging, diffusion-weighted MR imaging, T₂*-weighted imaging, ovary, ovarian

ジャーナルオープンアクセス早期公開

論文ID: cr.2016-0105

DOI https://doi.org/10.2463/mrms.cr.2016-0105

この記事には本公開記事があります。

The final version of this article is now available: Vol. 16 (2017), No. 3 pp. 262-264

詳細

抄録

We report two cases with adnexal torsion to assess the mechanism of very strong signal intensity in ovarian lesions on DW imaging using MR imaging such as T₂*-weighted imaging. MR imaging findings of the cases suggest that the very strong signal intensity on DW imaging is contributed to cytotoxic edema with or without vasogenic edema, as well as oxyhemoglobin or extracellular methemoglobin.

責任著者(Corresponding author)

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