Results 31 to 40 of about 3,039 (204)

Ultra-short echo time cardiovascular magnetic resonance of atherosclerotic carotid plaque. [PDF]

, 2010
BACKGROUND: Multi-contrast weighted cardiovascular magnetic resonance (CMR) allows detailed plaque characterisation and assessment of plaque vulnerability.
Boyle, JJ, Chan, CF, Firmin, DN, Gatehouse, P, Keenan, NG, Nielles-Vallespin, S, Pennell, DJ, Sheppard, MN   +7 more
core   +2 more sources

Ultrashort echo time magnetic resonance fingerprinting (UTE‐MRF) for simultaneous quantification of long and ultrashort T₂ tissues [PDF]

Magnetic Resonance in Medicine, 2019
PurposeTo demonstrate an ultrashort echo time magnetic resonance fingerprinting (UTE‐MRF) method that allows quantifying relaxation times for muscle and bone in the musculoskeletal system and generating bone enhanced images that mimic CT scans.MethodsA fast imaging steady‐state free precession MRF sequence with half pulse excitation and half projection
Qing Li, Xiaozhi Cao, Huihui Ye, Congyu Liao, Hongjian He, Jianhui Zhong   +5 more
openaire   +3 more sources

T2-based temperature monitoring in bone marrow for MR-guided focused ultrasound. [PDF]

, 2016
BackgroundCurrent clinical protocols for MR-guided focused ultrasound (MRgFUS) treatment of osseous lesions, including painful bone metastases and osteoid osteomas, rely on measurement of the temperature change in adjacent muscle to estimate the ...
Bucknor, Matthew, Han, Misung, Krug, Roland, Ozhinsky, Eugene, Rieke, Viola   +4 more
core   +1 more source

MR-orthopantomography in operative dentistry and oral and maxillofacial surgery: a proof of concept study

Scientific Reports, 2023
This prospective study aimed to present, compare, and evaluate the suitability of five different magnetic resonance imaging (MRI) protocols (3D double-echo steady-state (DESS), 3D fast spin echo short-tau inversion recovery (SPACE-STIR), 3D fast spin ...
Adib Al-Haj Husain, Valérie Schmidt, Silvio Valdec, Bernd Stadlinger, Sebastian Winklhofer, Daphne Schönegg, Stefan Sommer, Mutlu Özcan, Nadin Al-Haj Husain, Marco Piccirelli   +9 more
doaj   +1 more source

Outlook on zero/ultrashort echo time techniques in functional MRI. [PDF]

Magn Reson Med
Abstract Since its introduction more than 30 years ago, the blood oxygenation level dependent (BOLD) contrast remains the most widely used method for functional MRI (fMRI) in humans and animal models. The BOLD contrast is typically acquired with echo planar imaging (EPI) to obtain sensitization of the signal during the echo time (TE) to dynamic changes
Mangia S, Michaeli S, Gröhn O.
europepmc   +2 more sources

MRI Visualization of Whole Brain Macro- and Microvascular Remodeling in a Rat Model of Ischemic Stroke: A Pilot Study [PDF]

, 2020
Using superparamagnetic iron oxide nanoparticles (SPION) as a single contrast agent, we investigated dual contrast cerebrovascular magnetic resonance imaging (MRI) for simultaneously monitoring macro- and microvasculature and their association with ...
Cho, Hyungjoon, Jin, Seok Ha, Kang, MyungSoo, Lee, DongKyu   +3 more
core   +1 more source

Ultrashort echo time (UTE) MRI for the assessment of caries lesions

Dentomaxillofacial Radiology, 2013
Direct in vivo MRI of dental hard tissues by applying ultrashort echo time (UTE) MRI techniques has recently been reported. The objective of the presented study is to clinically evaluate the applicability of UTE MRI for the identification of caries lesions.40 randomly selected patients (mean age 41 ± 15 years) were enrolled in this study.
Bracher, A-K, Hofmann, C, Bornstedt, A, Hell, E, Janke, F, Ulrici, J, Haller, B, Geibel, M-A, Rasche, V   +8 more
openaire   +2 more sources

Ultrashort Echo Time Quantitative Susceptibility Mapping (UTE-QSM) of Highly Concentrated Magnetic Nanoparticles: A Comparison Study about Different Sampling Strategies

Molecules, 2019
The ability to accurately and non-invasively quantify highly concentrated magnetic nanoparticles (MNPs) is desirable for many emerging applications. Ultrashort echo time quantitative susceptibility mapping (UTE-QSM) has demonstrated the capability to ...
Xing Lu, Hyungseok Jang, Yajun Ma, Saeed Jerban, Eric Y. Chang, Jiang Du   +5 more
doaj   +1 more source

In vivo UTE-MRI reveals positive effects of raloxifene on skeletal bound water in skeletally mature beagle dogs [PDF]

, 2015
Raloxifene positively affects mechanical properties of the bone matrix in part through modification of skeletal bound water. The goal of this study was to determine if raloxifene induced alterations in skeletal hydration could be measured in vivo using ...
Allen, Matthew R., Burr, David B., Hutchins, Gary D., Jiang, Lei, Lin, Chen, McCarthy, Brian P., Newman, Christopher L., Persohn, Scott, Riley, Amanda A., Territo, Paul R.   +9 more
core   +1 more source

Three‐dimensional ultrashort echo time cones T_1ρ (3D UTE‐cones‐T_1ρ) imaging [PDF]

NMR in Biomedicine, 2017
We report a novel three‐dimensional (3D) ultrashort echo time (UTE) sequence employing Cones trajectory and T1ρ preparation (UTE‐Cones‐T1ρ) for quantitative T1ρ assessment of short T2 tissues in the musculoskeletal system. A basic 3D UTE‐Cones sequence was combined with a spin‐locking preparation pulse for T1ρ contrast.
Ya‐Jun Ma, Michael Carl, Hongda Shao, Anthony S. Tadros, Eric Y. Chang, Jiang Du   +5 more
openaire   +4 more sources