A patient-friendly 16-channel transmit/64-channel receive coil array for combined head-neck MRI at 7 Tesla.
7 Tesla (7T)
MRI
array coil
head and neck
neuroimaging
ultrahigh field (UHF)
Journal
Magnetic resonance in medicine
ISSN: 1522-2594
Titre abrégé: Magn Reson Med
Pays: United States
ID NLM: 8505245
Informations de publication
Date de publication:
09 2022
09 2022
Historique:
revised:
12
04
2022
received:
08
11
2021
accepted:
13
04
2022
pubmed:
24
5
2022
medline:
1
7
2022
entrez:
23
5
2022
Statut:
ppublish
Résumé
To extend the coverage of brain coil arrays to the neck and cervical-spine region to enable combined head and neck imaging at 7 Tesla (T) ultra-high field MRI. The coil array structures of a 64-channel receive coil and a 16-channel transmit coil were merged into one anatomically shaped close-fitting housing. Transmit characteristics were evaluated in a B In the brain, the SNR matches the commercially available 32-channel brain array and showed improvements in accelerated imaging capabilities. More importantly, the constructed coil array improved the SNR in the face area, neck area, and cervical spine by a factor of 1.5, 3.4, and 5.2, respectively, in regions not covered by 32-channel brain arrays at 7 T. The interelement coupling of the 16-channel transmit coil ranged from -14 to -44 dB (mean = -19 dB, adjacent elements <-18 dB). The parallel 16-channel transmit coil greatly facilitates B This new head-neck array coil is the first demonstration of a device of this nature used for combined full-brain, head-neck, and cervical-spine imaging at 7 T. The array coil is well suited to provide large FOV images, which potentially improves ultrahigh field neuroimaging applications for clinical settings.
Identifiants
pubmed: 35605167
doi: 10.1002/mrm.29288
pmc: PMC9675905
mid: NIHMS1847594
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1419-1433Subventions
Organisme : NIBIB NIH HHS
ID : P41 EB030006
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB006847
Pays : United States
Organisme : NIBIB NIH HHS
ID : R01 EB027779
Pays : United States
Organisme : NIH HHS
ID : S10 OD023637
Pays : United States
Informations de copyright
© 2022 The Authors. Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.
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