Analysis of Apparent Diffusion Coefficients of the Brain in Healthy Controls: A Comparison Study between Single-Shot Echo-Planar Imaging and Read-out-Segmented Echo-Planar Imaging
Korean Journal of Radiology
; : 1138-1145, 2019.
Article
em En
| WPRIM
| ID: wpr-760287
Biblioteca responsável:
WPRO
ABSTRACT
OBJECTIVE: To compare apparent diffusion coefficients (ADCs) of brain segments by using two diffusion-weighted imaging acquisition modes, single-shot echo-planar imaging (ss-EPI) and read-out-segmented echo-planar imaging (rs-EPI), and to assess their correlation and agreement in healthy controls. MATERIALS AND METHODS: T2-weighted (T2W) images, rs-EPI, and ss-EPI of 30 healthy subjects were acquired using a 3T magnetic resonance scanner. The T2W images were co-registered to the rs-EPI and ss-EPI, which were then segmented into the gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF) to generate masking templates. ADC maps of rs-EPI and ss-EPI were also segmented into the GM, WM, and CSF by using the generated templates. ADCs of rs-EPI and ss-EPI were compared using Student's t tests and correlated using Pearson's correlation coefficients. Bland-Altman plots were used to assess the agreement between acquisitions.
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Texto completo:
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Índice:
WPRIM
Assunto principal:
Encéfalo
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Imageamento por Ressonância Magnética
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Líquido Cefalorraquidiano
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Imagem Ecoplanar
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Difusão
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Voluntários Saudáveis
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Substância Cinzenta
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Substância Branca
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Máscaras
Tipo de estudo:
Clinical_trials
Idioma:
En
Revista:
Korean Journal of Radiology
Ano de publicação:
2019
Tipo de documento:
Article