Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging

Computed DWI (cDWI) is a mathematical technique that calculates arbitrary higher b value images from at least two different lower b values. In addition, the removal of high intensity noise with image processing on cDWI could improve cholesteatoma-background contrast-to-noise ratio (CNR). In the pres...

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Autores principales: Yamashita, Koji, Hiwatashi, Akio, Togao, Osamu, Kikuchi, Kazufumi, Shimomiya, Yamato, Kamei, Ryotaro, Momosaka, Daichi, Matsumoto, Nozomu, Kobayashi, Kouji, Takemura, Atsushi, Kwee, Thomas Christian, Takahara, Taro, Honda, Hiroshi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Japanese Society for Magnetic Resonance in Medicine 2018
Materias:
Technical Note
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6630047/
https://www.ncbi.nlm.nih.gov/pubmed/30518733
http://dx.doi.org/10.2463/mrms.tn.2018-0068
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author Yamashita, Koji
Hiwatashi, Akio
Togao, Osamu
Kikuchi, Kazufumi
Shimomiya, Yamato
Kamei, Ryotaro
Momosaka, Daichi
Matsumoto, Nozomu
Kobayashi, Kouji
Takemura, Atsushi
Kwee, Thomas Christian
Takahara, Taro
Honda, Hiroshi
author_facet Yamashita, Koji
Hiwatashi, Akio
Togao, Osamu
Kikuchi, Kazufumi
Shimomiya, Yamato
Kamei, Ryotaro
Momosaka, Daichi
Matsumoto, Nozomu
Kobayashi, Kouji
Takemura, Atsushi
Kwee, Thomas Christian
Takahara, Taro
Honda, Hiroshi
author_sort Yamashita, Koji
collection PubMed
description Computed DWI (cDWI) is a mathematical technique that calculates arbitrary higher b value images from at least two different lower b values. In addition, the removal of high intensity noise with image processing on cDWI could improve cholesteatoma-background contrast-to-noise ratio (CNR). In the present study, noise reduction was performed by the cut-off values of apparent diffusion coefficient (ADC) less than 0 and 0.4 × 10(−3) s/mm(2). The cholesteatoma to non-cholesteatoma CNR was increased using a noise reduction algorithm for clinical setting.
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spelling pubmed-66300472019-07-23 Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging Yamashita, Koji Hiwatashi, Akio Togao, Osamu Kikuchi, Kazufumi Shimomiya, Yamato Kamei, Ryotaro Momosaka, Daichi Matsumoto, Nozomu Kobayashi, Kouji Takemura, Atsushi Kwee, Thomas Christian Takahara, Taro Honda, Hiroshi Magn Reson Med Sci Technical Note Computed DWI (cDWI) is a mathematical technique that calculates arbitrary higher b value images from at least two different lower b values. In addition, the removal of high intensity noise with image processing on cDWI could improve cholesteatoma-background contrast-to-noise ratio (CNR). In the present study, noise reduction was performed by the cut-off values of apparent diffusion coefficient (ADC) less than 0 and 0.4 × 10(−3) s/mm(2). The cholesteatoma to non-cholesteatoma CNR was increased using a noise reduction algorithm for clinical setting. Japanese Society for Magnetic Resonance in Medicine 2018-12-06 /pmc/articles/PMC6630047/ /pubmed/30518733 http://dx.doi.org/10.2463/mrms.tn.2018-0068 Text en © 2018 The Japan Neurosurgical Society This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/
spellingShingle Technical Note
Yamashita, Koji
Hiwatashi, Akio
Togao, Osamu
Kikuchi, Kazufumi
Shimomiya, Yamato
Kamei, Ryotaro
Momosaka, Daichi
Matsumoto, Nozomu
Kobayashi, Kouji
Takemura, Atsushi
Kwee, Thomas Christian
Takahara, Taro
Honda, Hiroshi
Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title_full Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title_fullStr Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title_full_unstemmed Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title_short Improved Visualization of Middle Ear Cholesteatoma with Computed Diffusion-weighted Imaging
title_sort improved visualization of middle ear cholesteatoma with computed diffusion-weighted imaging
topic Technical Note
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6630047/
https://www.ncbi.nlm.nih.gov/pubmed/30518733
http://dx.doi.org/10.2463/mrms.tn.2018-0068
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