An 8-channel Tx dipole and 20-channel Rx loop coil array for MRI of the cervical spinal cord at 7 Tesla.
7 T
MRI
dipole
radiofrequency coil
spinal cord
transmit/receive coil
ultrahigh field
Journal
NMR in biomedicine
ISSN: 1099-1492
Titre abrégé: NMR Biomed
Pays: England
ID NLM: 8915233
Informations de publication
Date de publication:
Nov 2023
Nov 2023
Historique:
revised:
10
05
2023
received:
17
02
2023
accepted:
15
06
2023
medline:
23
10
2023
pubmed:
13
7
2023
entrez:
13
7
2023
Statut:
ppublish
Résumé
The quality of cervical spinal cord images can be improved by the use of tailored radiofrequency (RF) coil solutions for ultrahigh field imaging; however, very few commercial and research 7-T RF coils currently exist for the spinal cord, and in particular, those with parallel transmission (pTx) capabilities. This work presents the design, testing, and validation of a pTx/Rx coil for the human neck and cervical/upper thoracic spinal cord. The pTx portion is composed of eight dipoles to ensure high homogeneity over this large region of the spinal cord. The Rx portion is made up of twenty semiadaptable overlapping loops to produce high signal-to-noise ratio (SNR) across the patient population. The coil housing is designed to facilitate patient positioning and comfort, while also being tight fitting to ensure high sensitivity. We demonstrate RF shimming capabilities to optimize B
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e5002Subventions
Organisme : NIBIB NIH HHS
ID : R01 EB027779
Pays : United States
Commentaires et corrections
Type : UpdateOf
Informations de copyright
© 2023 The Authors. NMR in Biomedicine published by John Wiley & Sons Ltd.
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