颈髓的敏感性编码扩散张量磁共振成像
Sensitivity-encoded diffusion tensor MR imaging of the cervical cord.
作者信息
Cercignani Mara, Horsfield Mark A, Agosta Federica, Filippi Massimo
机构信息
Neuroimaging Research Unit, Department of Neuroscience, Scientific Institute and University Ospedale San Raffaele, via Olgettina 60, 20132 Milan, Italy.
出版信息
AJNR Am J Neuroradiol. 2003 Jun-Jul;24(6):1254-6.
Abstract
The aim of this study was to apply sensitivity-encoding (SENSE) echo-planar imaging (EPI) to diffusion tensor MR imaging of the cervical cord, an anatomic region where MR imaging is particularly challenging. This technique was implemented with a SENSE reduction factor of 2 and used for imaging a water phantom and five healthy volunteers. Off-resonance artifacts were notably reduced compared with those of full-FOV EPI sequences. This approach to diffusion tensor MR imaging of the cervical cord is promising for future, more extensive clinical applications.
摘要
本研究的目的是将敏感度编码（SENSE）回波平面成像（EPI）应用于颈髓的扩散张量磁共振成像，颈髓是磁共振成像特别具有挑战性的解剖区域。该技术以2的SENSE缩减因子实施，并用于对水模体和五名健康志愿者进行成像。与全视野EPI序列相比，失谐伪影明显减少。这种颈髓扩散张量磁共振成像方法有望在未来得到更广泛的临床应用。
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