Sohyun Han
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Explore the profile of Sohyun Han including associated specialties, affiliations and a list of published articles.
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Articles
21
Citations
143
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Recent Articles
11.
van den Boomen M, Manhard M, Snel G, Han S, Emblem K, Slart R, et al.
Radiology
. 2020 Jan;
294(3):538-545.
PMID: 31961241
Background Myocardial oxygenation imaging could help determine the presence of microvascular dysfunction associated with increased cardiovascular risk. However, it is challenging to depict the potentially small oxygenation alterations with current...
12.
Han S, Liao C, Manhard M, Park D, Bilgic B, Fair M, et al.
Magn Reson Med
. 2019 Dec;
84(1):206-220.
PMID: 31840295
Purpose: Spin-echo functional MRI (SE-fMRI) has the potential to improve spatial specificity when compared with gradient-echo fMRI. However, high spatiotemporal resolution SE-fMRI with large slice-coverage is challenging as SE-fMRI requires...
13.
Jin S, Han S, Stoyanova R, Ackerstaff E, Cho H
J Magn Reson Imaging
. 2019 Oct;
51(5):1369-1381.
PMID: 31654463
Background: The manual segmentation of intact blood-brain barrier (BBB) regions in the stroke brain is cumbersome, due to the coexistence of infarction, large blood vessels, ventricles, and intact BBB regions,...
14.
Manhard M, Bilgic B, Liao C, Han S, Witzel T, Yen Y, et al.
Magn Reson Med
. 2019 May;
82(3):973-983.
PMID: 31069861
Purpose: Dynamic susceptibility contrast imaging requires high temporal sampling, which poses limits on achievable spatial coverage and resolution. Additionally, more encoding-intensive multi-echo acquisitions for quantitative imaging are desired to mitigate...
15.
Liao C, Manhard M, Bilgic B, Tian Q, Fan Q, Han S, et al.
Neuroimage
. 2019 Apr;
194:291-302.
PMID: 30953837
Purpose: To propose a virtual coil (VC) acquisition/reconstruction framework to improve highly accelerated single-shot EPI (SS-EPI) and generalized slice dithered enhanced resolution (gSlider) acquisition in high-resolution diffusion imaging (DI). Methods:...
16.
Ryu J, Han S, Oh S, Lee J, Kim S, Park J
Magn Reson Med
. 2019 Mar;
82(1):237-250.
PMID: 30883886
Purpose: To propose a novel 3D ultrafast gradient echo-based MRI method, dubbed RASE, using quadratic-phase encoding. Theory And Methods: Several characteristics of RASE, including spin behaviors, spatial resolution, SNR, and...
17.
Han S, Son J, Cho H, Park J, Kim S
Magn Reson Med
. 2018 Sep;
81(2):1237-1246.
PMID: 30183108
Purpose: Sensitivity and specificity of blood oxygenation level-dependent (BOLD) functional MRI (fMRI) is sensitive to magnetic field strength and acquisition methods. We have investigated gradient-echo (GE)- and spin-echo (SE)-BOLD fMRI...
18.
Han S, Stoyanova R, Lee H, Carlin S, Koutcher J, Cho H, et al.
Magn Reson Med
. 2017 Jul;
79(3):1736-1744.
PMID: 28727185
Purpose: To automate dynamic contrast-enhanced MRI (DCE-MRI) data analysis by unsupervised pattern recognition (PR) to enable spatial mapping of intratumoral vascular heterogeneity. Methods: Three steps were automated. First, the arrival...
19.
Lee D, Han S, Cho H
J Magn Reson
. 2016 Nov;
274:57-64.
PMID: 27886558
A variable repetition-delay (TR) spin echo sequence with repeated refocusing pulses, i.e., a variable TR turbo-spin echo (TSE), provides an attractive means of acquiring an accurate T map information that...
20.
Han S, Cho H
J Magn Reson Imaging
. 2015 Dec;
44(1):138-47.
PMID: 26713414
Purpose: To enhance the temporal resolution of calibration-free dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) by implementing compressed sensing assisted turbo spin echo (CS-TSE) acquisition. Materials And Methods: The dynamic sparse...