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The physics of MRI safety
LP Panych, B Madore - Journal of Magnetic Resonance …, 2018 - Wiley Online Library
The main risks associated with magnetic resonance imaging (MRI) have been extensively
reported and studied; for example, everyday objects may turn into projectiles, energy …
reported and studied; for example, everyday objects may turn into projectiles, energy …
Parallel transmission for ultrahigh‐field imaging
The development of MRI systems operating at or above 7 T has provided researchers with a
new window into the human body, yielding improved imaging speed, resolution and signal …
new window into the human body, yielding improved imaging speed, resolution and signal …
SAR simulations & safety
At ultra-high fields, the assessment of radiofrequency (RF) safety presents several new
challenges compared to low-field systems. Multi-channel RF transmit coils in combination …
challenges compared to low-field systems. Multi-channel RF transmit coils in combination …
Quantitative sodium MR imaging at 7 T: initial results and comparison with diffusion-weighted imaging in patients with breast tumors
Purpose To investigate the clinical feasibility of a quantitative sodium 23 (23Na) magnetic
resonance (MR) imaging protocol developed for breast tumor assessment and to compare it …
resonance (MR) imaging protocol developed for breast tumor assessment and to compare it …
Local specific absorption rate (SAR), global SAR, transmitter power, and excitation accuracy trade‐offs in low flip‐angle parallel transmit pulse design
Purpose We propose a constrained optimization approach for designing parallel transmit
(pTx) pulses satisfying all regulatory and hardware limits. We study the trade‐offs between …
(pTx) pulses satisfying all regulatory and hardware limits. We study the trade‐offs between …
On the way to routine cardiac MRI at 7 Tesla-a pilot study on consecutive 84 examinations
T Reiter, D Lohr, M Hock, MJ Ankenbrand… - PLoS …, 2021 - journals.plos.org
Introduction Cardiac magnetic resonance (CMR) at ultrahigh field (UHF) offers the potential
of high resolution and fast image acquisition. Both technical and physiological challenges …
of high resolution and fast image acquisition. Both technical and physiological challenges …
Interventional CMR: clinical applications and future directions
Interventional cardiovascular magnetic resonance (iCMR) promises to enable radiation-free
catheterization procedures and to enhance contemporary image guidance for structural …
catheterization procedures and to enhance contemporary image guidance for structural …
MR performance in the presence of a radio frequency-penetrable positron emission tomography (PET) insert for simultaneous PET/MRI
Despite the great promise of integrated positron emission tomography (PET)/magnetic
resonance (MR) imaging to add molecular information to anatomical and functional MR, its …
resonance (MR) imaging to add molecular information to anatomical and functional MR, its …
Fast design of local N‐gram‐specific absorption rate–optimized radiofrequency pulses for parallel transmit systems
A Sbrizzi, H Hoogduin, JJ Lagendijk… - Magnetic …, 2012 - Wiley Online Library
Designing multidimensional radiofrequency pulses for clinical application must take into
account the local specific absorption rate (SAR) as controlling the global SAR does not …
account the local specific absorption rate (SAR) as controlling the global SAR does not …
Dynamic contrast-enhanced magnetic resonance imaging of breast tumors at 3 and 7 T: a comparison
Objectives The objective of this study was to compare the image quality, contrast
enhancement behavior, and diagnostic value of bilateral 3-dimensional dynamic contrast …
enhancement behavior, and diagnostic value of bilateral 3-dimensional dynamic contrast …