In:
Medicine, Ovid Technologies (Wolters Kluwer Health), Vol. 100, No. 51 ( 2021-12-23), p. e28351-
Abstract:
We investigated the feasibility of non-contrast three-dimensional modified Dixon (mDixon) magnetic resonance angiography (MRA) to evaluate the carotid artery. We studied 30 normal patients who underwent non-contrast mDixon and conventional time-of-flight (TOF) MRA of the neck with a clinical 3T MR scanner. Carotid artery signal-to-noise ratio (SNR) and contrast-to-noise ratio were compared between mDixon-MRA and TOF-MRA. Two readers independently evaluated vessel sharpness, image contrast, and overall image quality using a 4-point scale. SNR was significantly higher on mDixon-MRA than TOF-MRA ( P 〈 .01). There was no significant difference in contrast-to-noise ratio. The visual score for vessel sharpness was significantly higher on mDixon-MRA than TOF-MRA ( P 〈 .01), whereas the score for contrast was significantly higher on TOF-MRA ( P 〈 .01). Although non-contrast three-dimensional mDixon-MRA showed lower visual contrast than conventional TOF-MRA, it provided images with significantly higher SNR and better vessel sharpness than TOF-MRA.
Type of Medium:
Online Resource
ISSN:
0025-7974
,
1536-5964
DOI:
10.1097/MD.0000000000028351
Language:
English
Publisher:
Ovid Technologies (Wolters Kluwer Health)
Publication Date:
2021
detail.hit.zdb_id:
2049818-4
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