Search Results - "Kim, Hahnsung"

Demonstration of fast multi‐slice quasi‐steady‐state chemical exchange saturation transfer (QUASS CEST) human brain imaging at 3T by Kim, Hahnsung, Krishnamurthy, Lisa C., Sun, Phillip Zhe

“…Purpose To combine multi‐slice chemical exchange saturation transfer (CEST) imaging with quasi‐steady‐state (QUASS) processing and demonstrate the feasibility…”
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Detection of tissue pH with quantitative chemical exchange saturation transfer magnetic resonance imaging by Igarashi, Takahiro, Kim, Hahnsung, Sun, Phillip Zhe

“…Chemical exchange saturation transfer (CEST) magnetic resonance imaging (MRI) has emerged as a novel means for sensitive detection of dilute labile protons and…”
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Image Denoising for Metal MRI Exploiting Sparsity and Low Rank Priors by Choi, Sangcheon, Park, Jun-Sik, Kim, Hahnsung, Park, Jaeseok

“…Purpose: The management of metal-induced field inhomogeneities is one of the major concerns of distortion-free magnetic resonance images near metallic…”
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CEST2022 - mapping multi-pool CEST signal changes in an animal model of brain tumor with quasi-steady-state reconstruction-empowered CEST quantification by Kim, Hahnsung, Kim, Jinsuh, Sun, Phillip Zhe

“…Chemical exchange saturated transfer (CEST) MRI has biomarker potential to assess tissue microenvironment in brain tumors. Multi-pool Lorentzian or spinlock…”
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Brain pH Imaging and its Applications by Kim, Hahnsung, Krishnamurthy, Lisa C., Sun, Phillip Zhe

“…•A concise overview of pH spectroscopy (MRS), spectroscopy imaging (MRSI) and imaging (MRI) measurement techniques.•pH-sensitive imaging with chemical exchange…”
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3D CEST MRI with an unevenly segmented RF irradiation scheme: A feasibility study in brain tumor imaging by Kim, Hahnsung, Park, Suhyung, Hu, Ranliang, Hoang, Kimberly B, Sun, Phillip Zhe

“…To integrate 3D CEST EPI with an unevenly segmented RF irradiation module and preliminarily demonstrate it in the clinical setting. A CEST MRI with unevenly…”
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Improving standardization and accuracy of in vivo omega plot exchange parameter determination using rotating-frame model-based fitting of quasi-steady-state Z-spectra by Chung, Julius Juhyun, Kim, Hahnsung, Ji, Yang, Lu, Dongshuang, Zhou, Iris Y, Sun, Phillip Zhe

“…Although Ω-plot-driven quantification of in vivo amide exchange properties has been demonstrated, differences in scan parameters may complicate the fidelity of…”
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Retrospective multi‐phase non‐contrast‐enhanced magnetic resonance angiography (ROMANCE MRA) for robust angiogram separation in the presence of cardiac arrhythmia by Kim, Hahnsung, Park, Suhyung, Kim, Eung Yeop, Park, Jaeseok

“…Purpose To develop a novel, retrospective multi‐phase non‐contrast‐enhanced MRA (ROMANCE MRA) in a single acquisition for robust angiogram separation even in…”
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Fast diffusion kurtosis imaging in acute ischemic stroke shows mean kurtosis‐diffusivity mismatch by Hu, Ranliang, Kim, Hahnsung, Kim, Jinsuh, Allen, Jason W., Sun, Phillip Zhe

“…Background and Purpose Diffusion kurtosis imaging (DKI) is an advanced technique more specific to irreversible ischemic injury than conventional…”
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Variable-flip-angle single-slab 3D GRASE imaging with phase-independent image reconstruction: Single-slab 3D VFA GRASE by Kim, Hahnsung, Kim, Dong-Hyun, Park, Jaeseok

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Chemical Exchange Saturation Transfer for Epilepsy Imaging by Brown, Joshua D, Kim, Hahnsung, Sun, Philip Zhe, Hu, Ranliang

“…Keywords: Epilepsy, Chemical Exchange Saturation Transfer, MRI, Nonlesional, Glutamate…”
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Analysis Protocol for the Quantification of Renal pH Using Chemical Exchange Saturation Transfer (CEST) MRI by Kim, Hahnsung, Wu, Yin, Villano, Daisy, Longo, Dario Livio, McMahon, Michael T, Sun, Phillip Zhe

“…The kidney plays a major role in maintaining body pH homeostasis. Renal pH, in particular, changes immediately following injuries such as intoxication and…”
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Variable-flip-angle single-slab 3D GRASE imaging with phase-independent image reconstruction by Kim, Hahnsung, Kim, Dong-Hyun, Park, Jaeseok

“…Purpose To develop a single‐slab three‐dimensional variable‐flip‐angle gradient‐ and spin‐echo pulse sequence with phase‐independent reconstruction that is…”
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Rapid chemical shift encoding with single‐acquisition single‐slab 3D GRASE by Kim, Hahnsung, Kim, Dong‐Hyun, Sohn, Chul‐Ho, Park, Jaeseok

“…Purpose To investigate the feasibility of chemical shift encoded, single‐slab 3D GRASE for rapid fat–water separation within a single acquisition. Methods The…”
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Image Denoising for Metal MRI Exploiting Sparsity and Low Rank Priors by Choi, Sangcheon, Park, Jun-Sik, Kim, Hahnsung, Park, Jaeseok

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Local in vivo shimming using adaptive passive shim positioning by Yang, Sejung, Kim, Hahnsung, Ghim, Min-Oh, Lee, Byung-Uk, Kim, Dong-Hyun

“…Abstract A subject-specific local in vivo passive shimming method, focusing on the prefrontal and temporal regions, is proposed. The aim of the investigation…”
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