TY - JOUR
T1 - Silent zero TE MR neuroimaging
T2 - Current state-of-the-art and future directions
AU - Ljungberg, Emil
AU - Damestani, Nikou L
AU - Wood, Tobias C
AU - Lythgoe, David J
AU - Zelaya, Fernando
AU - Williams, Steven C R
AU - Solana, Ana Beatriz
AU - Barker, Gareth J
AU - Wiesinger, Florian
N1 - Copyright © 2021 The Author(s). Published by Elsevier B.V. All rights reserved.
PY - 2021/4/8
Y1 - 2021/4/8
N2 - Magnetic Resonance Imaging (MRI) scanners produce loud acoustic noise originating from vibrational Lorentz forces induced by rapidly changing currents in the magnetic field gradient coils. Using zero echo time (ZTE) MRI pulse sequences, gradient switching can be reduced to a minimum, which enables near silent operation.Besides silent MRI, ZTE offers further interesting characteristics, including a nominal echo time of TE = 0 (thus capturing short-lived signals from MR tissues which are otherwise MR-invisible), 3D radial sampling (providing motion robustness), and ultra-short repetition times (providing fast and efficient scanning).In this work we describe the main concepts behind ZTE imaging with a focus on conceptual understanding of the imaging sequences, relevant acquisition parameters, commonly observed image artefacts, and image contrasts. We will further describe a range of methods for anatomical and functional neuroimaging, together with recommendations for successful implementation.
AB - Magnetic Resonance Imaging (MRI) scanners produce loud acoustic noise originating from vibrational Lorentz forces induced by rapidly changing currents in the magnetic field gradient coils. Using zero echo time (ZTE) MRI pulse sequences, gradient switching can be reduced to a minimum, which enables near silent operation.Besides silent MRI, ZTE offers further interesting characteristics, including a nominal echo time of TE = 0 (thus capturing short-lived signals from MR tissues which are otherwise MR-invisible), 3D radial sampling (providing motion robustness), and ultra-short repetition times (providing fast and efficient scanning).In this work we describe the main concepts behind ZTE imaging with a focus on conceptual understanding of the imaging sequences, relevant acquisition parameters, commonly observed image artefacts, and image contrasts. We will further describe a range of methods for anatomical and functional neuroimaging, together with recommendations for successful implementation.
UR - http://www.scopus.com/inward/record.url?scp=85103771535&partnerID=8YFLogxK
U2 - 10.1016/j.pnmrs.2021.03.002
DO - 10.1016/j.pnmrs.2021.03.002
M3 - Review article
C2 - 34078538
SN - 0079-6565
VL - 123
SP - 73
EP - 93
JO - PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
JF - PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
ER -