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

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 [Formula: see text]-weighted imaging. MR imaging findings of the cases suggest that the very strong signal intensity on DW imaging is contributed...

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Detalles Bibliográficos
Autores principales: Fujii, Shinya, Mukuda, Naoko, Nosaka, Kanae, Fukunaga, Takeru, Inoue, Chie, Ogawa, Toshihide
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Japanese Society for Magnetic Resonance in Medicine 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5600035/
https://www.ncbi.nlm.nih.gov/pubmed/28003621
http://dx.doi.org/10.2463/mrms.cr.2016-0105
Descripción
Sumario: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 [Formula: see text]-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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