A model‐based framework for correcting inhomogeneity effects in magnetization transfer saturation and inhomogeneous magnetization transfer saturation maps

2021 ◽  
Author(s):  
Christopher D. Rowley ◽  
Jennifer S. W. Campbell ◽  
Zhe Wu ◽  
Ilana R. Leppert ◽  
David A. Rudko ◽  
...  
Keyword(s):  
Magnetization Transfer ◽  
Model Based ◽  
Inhomogeneous Magnetization

Minimizing the effects of magnetization transfer asymmetry on inhomogeneous magnetization transfer (ihMT) at ultra-high magnetic field (11.75 T)

2016 ◽  
Vol 29 (4) ◽  
pp. 699-709 ◽  
Author(s):  
Valentin H. Prevost ◽  
Olivier M. Girard ◽  
Gopal Varma ◽  
David C. Alsop ◽  
Guillaume Duhamel
Keyword(s):  
Magnetic Field ◽  
High Magnetic Field ◽  
Magnetization Transfer ◽  
Inhomogeneous Magnetization

scholarly journals A Motion Correction Strategy for Multi-Contrast based 3D parametric imaging: Application to Inhomogeneous Magnetization Transfer (ihMT)

2020 ◽  
Author(s):  
Lucas Soustelle ◽  
Julien Lamy ◽  
Arnaud Le Troter ◽  
Andreea Hertanu ◽  
Maxime Guye ◽  
...  
Keyword(s):  
Image Registration ◽  
Human Brain ◽  
Motion Correction ◽  
High Performance ◽  
Magnetization Transfer ◽  
Parametric Imaging ◽  
Target Image ◽  
Imaging Application ◽  
Inhomogeneous Magnetization ◽  
Correction Strategies

AbstractPurposeTo propose an efficient retrospective image-based method for motion correction of multi-contrast acquisitions with a low number of available images (MC-MoCo) and evaluate its use in 3D inhomogeneous Magnetization Transfer (ihMT) experiments in the human brain.MethodsA framework for motion correction, including image pre-processing enhancement and rigid registration to an iteratively improved target image, was developed. The proposed method was compared to Motion Correction with FMRIB’s Linear Image Registration Tool (MCFLIRT) function in FSL over 13 subjects. Native (pre-correction) and residual (post-correction) motions were evaluated by means of markers positioned at well-defined anatomical regions over each image.ResultsBoth motion correction strategies significantly reduced inter-image misalignment, and the MC-MoCo method yielded significantly better results than MCFLIRT.ConclusionMC-MoCo is a high-performance method for motion correction of multi-contrast volumes as in 3D ihMT imaging.

scholarly journals A strategy to reduce the sensitivity of inhomogeneous magnetization transfer (ihMT) imaging to radiofrequency transmit field variations at 3 T

2021 ◽  
Author(s):  
Lucas Soustelle ◽  
Thomas Troalen ◽  
Andreea Hertanu ◽  
Samira Mchinda ◽  
Jean‐Philippe Ranjeva ◽  
...  
Keyword(s):  
Magnetization Transfer ◽  
Inhomogeneous Magnetization

scholarly journals Characterization of the cortical myeloarchitecture with inhomogeneous magnetization transfer imaging (ihMT)

NeuroImage ◽  
2021 ◽  
Vol 225 ◽  
pp. 117442
Author(s):  
Fanny Munsch ◽  
Gopal Varma ◽  
Manuel Taso ◽  
Olivier Girard ◽  
Arnaud Guidon ◽  
...  
Keyword(s):  
Magnetization Transfer ◽  
Magnetization Transfer Imaging ◽  
Inhomogeneous Magnetization

scholarly journals Temperature dependence and histological correlation of inhomogeneous magnetization transfer and myelin water imaging in ex vivo brain

NeuroImage ◽  
2021 ◽  
pp. 118046
Author(s):  
Valentin H. Prevost ◽  
Andrew Yung ◽  
Sarah R. Morris ◽  
Irene M. Vavasour ◽  
Zahra Samadi-Bahrami ◽  
...  
Keyword(s):  
Temperature Dependence ◽  
Ex Vivo ◽  
Magnetization Transfer ◽  
Inhomogeneous Magnetization

scholarly journals Whole brain inhomogeneous magnetization transfer (ihMT) imaging: Sensitivity enhancement within a steady‐state gradient echo sequence

2017 ◽  
Vol 79 (5) ◽  
pp. 2607-2619 ◽  
Author(s):  
Samira Mchinda ◽  
Gopal Varma ◽  
Valentin H. Prevost ◽  
Arnaud Le Troter ◽  
Stanislas Rapacchi ◽  
...  
Keyword(s):  
Steady State ◽  
Magnetization Transfer ◽  
Sensitivity Enhancement ◽  
Gradient Echo ◽  
Whole Brain ◽  
Inhomogeneous Magnetization

Microstructural correlates of 3D steady-state inhomogeneous magnetization transfer (ihMT) in the human brain white matter assessed by myelin water imaging and diffusion tensor imaging

2018 ◽  
Vol 80 (6) ◽  
pp. 2402-2414 ◽  
Author(s):  
Ece Ercan ◽  
Gopal Varma ◽  
Burkhard Mädler ◽  
Ivan E. Dimitrov ◽  
Marco C. Pinho ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
Steady State ◽  
White Matter ◽  
Human Brain ◽  
Diffusion Tensor ◽  
Magnetization Transfer ◽  
Brain White Matter ◽  
And Diffusion ◽  
Inhomogeneous Magnetization

scholarly journals Steady‐state imaging with inhomogeneous magnetization transfer contrast using multiband radiofrequency pulses

2019 ◽  
Vol 83 (3) ◽  
pp. 935-949 ◽  
Author(s):  
Shaihan J. Malik ◽  
Rui P. A. G. Teixeira ◽  
Daniel J. West ◽  
Tobias C. Wood ◽  
Joseph V. Hajnal
Keyword(s):  
Steady State ◽  
Magnetization Transfer ◽  
Magnetization Transfer Contrast ◽  
Inhomogeneous Magnetization

A comparison study of inhomogeneous magnetization transfer (ihMT) and magnetization transfer (MT) in multiple sclerosis based on whole brain acquisition at 3.0 T

2020 ◽  
Vol 70 ◽  
pp. 43-49 ◽  
Author(s):  
Lei Zhang ◽  
Baohong Wen ◽  
Tao Chen ◽  
Hongzhe Tian ◽  
Hongqiang Xue ◽  
...  
Keyword(s):  
Multiple Sclerosis ◽  
Magnetization Transfer ◽  
Comparison Study ◽  
Whole Brain ◽  
3.0 T ◽  
Inhomogeneous Magnetization
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