Magnetic Resonance in Medical Sciences
Online ISSN : 1880-2206
Print ISSN : 1347-3182
Case Reports
The Mechanism Causing High-signal Intensity on Diffusion-weighted Imaging in Adnexal Torsion: Two Case Reports
Shinya FujiiNaoko MukudaKanae NosakaTakeru FukunagaChie InoueToshihide Ogawa
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JOURNALS OPEN ACCESS

Volume 16 (2017) Issue 3 Pages 262-264

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Abstract

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.

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© 2017 by Japanese Society for Magnetic Resonance in Medicine
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