Sultan Z. Mahmud
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View article: Multiparametric Saturation Transfer MR Fingerprinting Using Rosette‐Accelerated Readout
Multiparametric Saturation Transfer MR Fingerprinting Using Rosette‐Accelerated Readout Open
Quantitative MR‐derived tissue parameters are typically measured one by one, which is time‐consuming for clinical practice. MR fingerprinting (MRF) allows the efficient and simultaneous measurement of multiple tissue properties. The purpos…
View article: Deep-learning Saturation Transfer Magnetic Resonance Fingerprinting (ST-MRF) in Patients with Parkinson’s Disease
Deep-learning Saturation Transfer Magnetic Resonance Fingerprinting (ST-MRF) in Patients with Parkinson’s Disease Open
Parkinson’s disease (PD) is marked by progressive neurodegeneration in the substantia nigra (SN). This study evaluated deep-learning saturation transfer magnetic resonance fingerprinting (ST-MRF) to quantify molecular and microstructural c…
View article: Saturation transfer <scp>MR</scp> fingerprinting for magnetization transfer contrast and <scp>chemical exchange saturation transfer</scp> quantification
Saturation transfer <span>MR</span> fingerprinting for magnetization transfer contrast and <span>chemical exchange saturation transfer</span> quantification Open
Purpose The aim of this study was to develop a saturation transfer MR fingerprinting (ST‐MRF) technique using a biophysics model‐driven deep learning approach. Methods A deep learning–based quantitative saturation transfer framework was pr…
View article: When CEST meets diffusion: Multi‐echo diffusion‐encoded <scp>CEST</scp> (<scp>dCEST</scp>) <scp>MRI</scp> to measure intracellular and extracellular <scp>CEST</scp> signal distributions
When CEST meets diffusion: Multi‐echo diffusion‐encoded <span>CEST</span> (<span>dCEST</span>) <span>MRI</span> to measure intracellular and extracellular <span>CEST</span> signal distributions Open
Purpose To develop a multi‐echo, diffusion‐encoded chemical exchange saturation transfer (dCEST) imaging technique for estimating the intracellular and extracellular/intravascular contributions to the conventional CEST signal. Methods A dC…
View article: Learning‐based motion artifact correction in the Z‐spectral domain for chemical exchange saturation transfer <scp>MRI</scp>
Learning‐based motion artifact correction in the Z‐spectral domain for chemical exchange saturation transfer <span>MRI</span> Open
Purpose To develop and evaluate a physics‐driven, saturation contrast‐aware, deep‐learning‐based framework for motion artifact correction in CEST MRI. Methods A neural network was designed to correct motion artifacts directly from a Z‐spec…
View article: Fast and motion‐robust saturation transfer MRI with inherent B<sub>0</sub> correction using rosette trajectories and compressed sensing
Fast and motion‐robust saturation transfer MRI with inherent B<sub>0</sub> correction using rosette trajectories and compressed sensing Open
Purpose To implement rosette readout trajectories with compressed sensing reconstruction for fast and motion‐robust CEST and magnetization transfer contrast imaging with inherent correction of B 0 inhomogeneity. Methods A pulse sequence wa…
View article: Unraveling contributions to the Z‐spectrum signal at 3.5 ppm of human brain tumors
Unraveling contributions to the Z‐spectrum signal at 3.5 ppm of human brain tumors Open
Purpose To evaluate the influence of the confounding factors, direct water saturation (DWS), and magnetization transfer contrast (MTC) effects on measured Z‐spectra and amide proton transfer (APT) contrast in brain tumors. Methods High‐gra…
View article: Feasibility of spinal cord imaging at 7 T using rosette trajectory with magnetization transfer preparation and compressed sensing
Feasibility of spinal cord imaging at 7 T using rosette trajectory with magnetization transfer preparation and compressed sensing Open
MRI is a valuable diagnostic tool to investigate spinal cord (SC) pathology. SC MRI can benefit from the increased signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) at ultra-high fields such as 7 T. However, SC MRI acquisitions…
View article: Simultaneous Measurement of Perfusion and T2* in Calf Muscle at 7T with Submaximal Exercise using Radial Acquisition
Simultaneous Measurement of Perfusion and T2* in Calf Muscle at 7T with Submaximal Exercise using Radial Acquisition Open
Impairments in oxygen delivery and consumption can lead to reduced muscle endurance and physical disability. Perfusion, a measure of microvascular blood flow, provides information on nutrient delivery. T 2 * provides information about rela…