Scholars@Duke
Dan Ma

Dan Ma

Associate Professor of Neurosurgery
Neurosurgery

Selected Publications

Surfaced-based detection of focal cortical dysplasia using magnetic resonance fingerprinting and machine learning.

Journal Article Epilepsia · October 9, 2025 OBJECTIVE: This study was undertaken to develop a framework for focal cortical dysplasia (FCD) detection using surface-based morphometric (SBM) analysis and machine learning (ML) applied to three-dimensional (3D) magnetic resonance fingerprinting (MRF). ME ... Full text Link to item Cite

Technical development and In Silico implementation of SyntheticMR in head and neck adaptive radiation therapy: A prospective R-IDEAL stage 0/1 technology development report.

Journal Article J Appl Clin Med Phys · July 2025 BACKGROUND: SyntheticMR has the capability of generating quantitative relaxometry maps and synthetic contrast-weighted MRI images in rapid acquisition times. Recently, it has gained attention in the diagnostic community, however, no studies have investigat ... Full text Link to item Cite

Technical Optimization of SyntheticMR for the Head and Neck on a 3T MR-Simulator and 1.5T MR-Linac: A Prospective R-IDEAL Stage 2a Technology Innovation Report.

Journal Article medRxiv · April 10, 2025 OBJECTIVE: The purpose of this study was to optimize the technical tradeoffs associated with integrating the quantitative maps available from SyntheticMR into the head and neck adaptive radiation oncology workflow. Recent work has begun to investigate Synt ... Full text Link to item Cite

Color-map recommendation for MR relaxometry maps.

Journal Article Magn Reson Med · February 2025 PURPOSE: To harmonize the use of color for MR relaxometry maps and therefore recommend the use of specific color-maps for representing T 1 $$ {\mathrm{T}}_1 $$ , T 2 $$ {\mathrm{T}}_2 $$ , and T 2 * $$ {\mathrm{T}}_2^{\ast } $$ maps and their i ... Full text Link to item Cite

3D MR fingerprinting for dynamic contrast-enhanced imaging of whole mouse brain.

Journal Article Magn Reson Med · January 2025 PURPOSE: Quantitative MRI enables direct quantification of contrast agent concentrations in contrast-enhanced scans. However, the lengthy scan times required by conventional methods are inadequate for tracking contrast agent transport dynamically in mouse ... Full text Link to item Cite

Multiparametric Characterization of Focal Cortical Dysplasia Using 3D MR Fingerprinting.

Journal Article Ann Neurol · November 2024 OBJECTIVE: To develop a multiparametric machine-learning (ML) framework using high-resolution 3 dimensional (3D) magnetic resonance (MR) fingerprinting (MRF) data for quantitative characterization of focal cortical dysplasia (FCD). MATERIALS: We included 1 ... Full text Link to item Cite

Efficient pulse sequence design framework for high-dimensional MR fingerprinting scans using systematic error index.

Journal Article Magn Reson Med · October 2024 PURPOSE: For effective optimization of MR fingerprinting (MRF) pulse sequences, estimating and minimizing errors from actual scan conditions are crucial. Although virtual-scan simulations offer an approximation to these errors, their computational demands ... Full text Link to item Cite

Technical Development and In Silico Implementation of SyntheticMR in Head and Neck Adaptive Radiation Therapy: A Prospective R-IDEAL Stage 0/1 Technology Development Report.

Journal Article medRxiv · September 30, 2024 OBJECTIVE: The purpose of this study was to investigate the technical feasibility of integrating the quantitative maps available from SyntheticMR into the head and neck adaptive radiation oncology workflow. While SyntheticMR has been investigated for diagn ... Full text Link to item Cite

Repeat it without me: Crowdsourcing the T1 mapping common ground via the ISMRM reproducibility challenge.

Journal Article Magn Reson Med · September 2024 PURPOSE: T1 mapping is a widely used quantitative MRI technique, but its tissue-specific values remain inconsistent across protocols, sites, and vendors. The ISMRM Reproducible Research and Quantitative MR study groups jointly launched a challenge to asses ... Full text Link to item Cite

Combining magnetic resonance fingerprinting with voxel-based morphometric analysis to reduce false positives for focal cortical dysplasia detection.

Journal Article Epilepsia · June 2024 OBJECTIVE: We aim to improve focal cortical dysplasia (FCD) detection by combining high-resolution, three-dimensional (3D) magnetic resonance fingerprinting (MRF) with voxel-based morphometric magnetic resonance imaging (MRI) analysis. METHODS: We included ... Full text Link to item Cite

Quantifying 3D MR fingerprinting (3D-MRF) reproducibility across subjects, sessions, and scanners automatically using MNI atlases.

Journal Article Magn Reson Med · May 2024 PURPOSE: Quantitative MRI techniques such as MR fingerprinting (MRF) promise more objective and comparable measurements of tissue properties at the point-of-care than weighted imaging. However, few direct cross-modal comparisons of MRF's repeatability and ... Full text Link to item Cite

Self-calibrated subspace reconstruction for multidimensional MR fingerprinting for simultaneous relaxation and diffusion quantification.

Journal Article Magn Reson Med · May 2024 PURPOSE: To propose a new reconstruction method for multidimensional MR fingerprinting (mdMRF) to address shading artifacts caused by physiological motion-induced measurement errors without navigating or gating. METHODS: The proposed method comprises two p ... Full text Link to item Cite

Motion Robust MR Fingerprinting Scan to Image Neonates With Prenatal Opioid Exposure.

Journal Article J Magn Reson Imaging · May 2024 PURPOSE: To explore whether MR fingerprinting (MRF) scans provide motion-robust and quantitative brain tissue measurements for non-sedated infants with prenatal opioid exposure (POE). STUDY TYPE: Prospective. POPULATION: 13 infants with POE (3 male; 12 new ... Full text Link to item Cite

Normative quantitative relaxation atlases for characterization of cortical regions using magnetic resonance fingerprinting.

Journal Article Cereb Cortex · March 21, 2023 Quantitative magnetic resonance (MR) has been used to study cyto- and myelo-architecture of the human brain non-invasively. However, analyzing brain cortex using high-resolution quantitative MR acquisition can be challenging to perform using 3T clinical sc ... Full text Link to item Cite

MR Fingerprinting with b-Tensor Encoding for Simultaneous Quantification of Relaxation and Diffusion in a Single Scan.

Journal Article Magn Reson Med · November 2022 PURPOSE: Although both relaxation and diffusion imaging are sensitive to tissue microstructure, studies have reported limited sensitivity and robustness of using relaxation or conventional diffusion alone to characterize tissue microstructure. Recently, it ... Full text Link to item Cite

Technical overview of magnetic resonance fingerprinting and its applications in radiation therapy.

Journal Article Med Phys · April 2022 Magnetic resonance fingerprinting (MRF) is an emerging imaging technique for rapid and simultaneous quantification of multiple tissue properties. The technique has been developed for quantitative imaging of different organs. The obtained quantitative measu ... Full text Link to item Cite

Rapid MR relaxometry using deep learning: An overview of current techniques and emerging trends.

Journal Article NMR Biomed · April 2022 Quantitative mapping of MR tissue parameters such as the spin-lattice relaxation time (T1 ), the spin-spin relaxation time (T2 ), and the spin-lattice relaxation in the rotating frame (T1ρ ), referred to as MR relaxometry in general, has demonstrated impro ... Full text Link to item Cite

Development, validation, qualification, and dissemination of quantitative MR methods: Overview and recommendations by the ISMRM quantitative MR study group.

Journal Article Magn Reson Med · March 2022 On behalf of the International Society for Magnetic Resonance in Medicine (ISMRM) Quantitative MR Study Group, this article provides an overview of considerations for the development, validation, qualification, and dissemination of quantitative MR (qMR) me ... Full text Link to item Cite

Magnetic resonance fingerprinting: an overview.

Journal Article Eur J Nucl Med Mol Imaging · December 2021 Magnetic resonance fingerprinting (MRF) is an evolving quantitative MRI framework consisting of unique data acquisition, processing, visualization, and interpretation steps. MRF is capable of simultaneously producing multiple high-resolution property maps ... Full text Link to item Cite

Automated design of pulse sequences for magnetic resonance fingerprinting using physics-inspired optimization.

Journal Article Proc Natl Acad Sci U S A · October 5, 2021 Magnetic resonance fingerprinting (MRF) is a method to extract quantitative tissue properties such as [Formula: see text] and [Formula: see text] relaxation rates from arbitrary pulse sequences using conventional MRI hardware. MRF pulse sequences have thou ... Full text Link to item Cite

Rapid B1-Insensitive MR Fingerprinting for Quantitative Kidney Imaging.

Journal Article Radiology · August 2021 Background MR fingerprinting (MRF) provides rapid and simultaneous quantification of multiple tissue parameters in a single scan. Purpose To evaluate a rapid kidney MRF technique at 3.0 T in phantoms, healthy volunteers, and patients. Materials and Methods ... Full text Link to item Cite

3D magnetic resonance fingerprinting with quadratic RF phase.

Journal Article Magn Reson Med · April 2021 PURPOSE: To implement 3D magnetic resonance fingerprinting (MRF) with quadratic RF phase (qRF-MRF) for simultaneous quantification of T1 , T2 , ΔB0 , and T2∗ . METHODS: 3D MRF data with effective undersampling factor of 3 in the slice direction were acquir ... Full text Link to item Cite

Radiomic analysis of magnetic resonance fingerprinting in adult brain tumors.

Journal Article Eur J Nucl Med Mol Imaging · March 2021 PURPOSE: This is a radiomics study investigating the ability of texture analysis of MRF maps to improve differentiation between intra-axial adult brain tumors and to predict survival in the glioblastoma cohort. METHODS: Magnetic resonance fingerprinting (M ... Full text Link to item Cite

Multi-parametric MRI of kidney disease progression for autosomal recessive polycystic kidney disease: mouse model and initial patient results.

Journal Article Pediatr Res · January 2021 BACKGROUND: Autosomal recessive polycystic kidney disease (ARPKD) is a rare but potentially lethal genetic disorder typically characterized by diffuse renal microcysts. Clinical trials for patients with ARPKD are not currently possible due to the absence o ... Full text Link to item Cite

Preclinical Assessment of the Effectiveness of Magnetic Resonance Molecular Imaging of Extradomain-B Fibronectin for Detection and Characterization of Oral Cancer.

Journal Article Mol Imaging Biol · December 2020 PURPOSE: Oral squamous cell carcinoma (OSCC) has not seen a substantial improvement in patient survival despite therapeutic advances, making accurate detection and characterization of the disease a clinical priority. Here, we aim to demonstrate the effecti ... Full text Link to item Cite

Magnetic resonance fingerprinting review part 2: Technique and directions.

Journal Article J Magn Reson Imaging · April 2020 Magnetic resonance fingerprinting (MRF) is a general framework to quantify multiple MR-sensitive tissue properties with a single acquisition. There have been numerous advances in MRF in the years since its inception. In this work we highlight some of the r ... Full text Link to item Cite

Magnetic resonance fingerprinting Part 1: Potential uses, current challenges, and recommendations.

Journal Article J Magn Reson Imaging · March 2020 Magnetic resonance fingerprinting (MRF) is a powerful quantitative MRI technique capable of acquiring multiple property maps simultaneously in a short timeframe. The MRF framework has been adapted to a wide variety of clinical applications, but faces chall ... Full text Link to item Cite

Reproducibility and Repeatability of MR Fingerprinting Relaxometry in the Human Brain.

Journal Article Radiology · August 2019 Background Only sparse literature investigates the reproducibility and repeatability of relaxometry methods in MRI. However, statistical data on reproducibility and repeatability of any quantitative method is essential for clinical application. Purpose To ... Full text Link to item Cite

Partial volume mapping using magnetic resonance fingerprinting.

Journal Article NMR Biomed · May 2019 Magnetic resonance fingerprinting (MRF) is a quantitative imaging technique that maps multiple tissue properties through pseudorandom signal excitation and dictionary-based reconstruction. The aim of this study is to estimate and validate partial volumes f ... Full text Link to item Cite

Development of high-resolution 3D MR fingerprinting for detection and characterization of epileptic lesions.

Journal Article J Magn Reson Imaging · May 2019 BACKGROUND: Conventional MRI can be limited in detecting subtle epileptic lesions or identifying active/epileptic lesions among widespread, multifocal lesions. PURPOSE: We developed a high-resolution 3D MR fingerprinting (MRF) protocol to simultaneously pr ... Full text Link to item Cite

Magnetic resonance field fingerprinting.

Journal Article Magn Reson Med · April 2019 PURPOSE: To develop and evaluate the magnetic resonance field fingerprinting method that simultaneously generates T1 , T2 , B0 , and B 1 + maps from a single continuous measurement. METHODS: An encoding pattern was designed to integrate true fast imaging ... Full text Link to item Cite

Optimal Experiment Design for Magnetic Resonance Fingerprinting: Cramér-Rao Bound Meets Spin Dynamics.

Journal Article IEEE Trans Med Imaging · March 2019 Magnetic resonance (MR) fingerprinting is a new quantitative imaging paradigm, which simultaneously acquires multiple MR tissue parameter maps in a single experiment. In this paper, we present an estimation-theoretic framework to perform experiment design ... Full text Link to item Cite

Simultaneous multislice cardiac magnetic resonance fingerprinting using low rank reconstruction.

Journal Article NMR Biomed · February 2019 This study introduces a technique for simultaneous multislice (SMS) cardiac magnetic resonance fingerprinting (cMRF), which improves the slice coverage when quantifying myocardial T1, T2 , and M0 . The single-slice cMRF pulse sequence was modified to use m ... Full text Link to item Cite

Three-dimensional MR Fingerprinting for Quantitative Breast Imaging.

Journal Article Radiology · January 2019 Purpose To develop a fast three-dimensional method for simultaneous T1 and T2 quantification for breast imaging by using MR fingerprinting. Materials and Methods In this prospective study, variable flip angles and magnetization preparation modules were app ... Full text Link to item Cite

Magnetic resonance fingerprinting: a technical review.

Journal Article Magn Reson Med · January 2019 Multiparametric quantitative imaging is gaining increasing interest due to its widespread advantages in clinical applications. Magnetic resonance fingerprinting is a recently introduced approach of fast multiparametric quantitative imaging. In this article ... Full text Link to item Cite

Magnetic Resonance Fingerprinting to Characterize Childhood and Young Adult Brain Tumors.

Journal Article Pediatr Neurosurg · 2019 OBJECT: Magnetic resonance fingerprinting (MRF) allows rapid, simultaneous mapping of T1 and T2 relaxation times and may be an important diagnostic tool to measure tissue characteristics in pediatric brain tumors. We examined children and young adults with ... Full text Link to item Cite

Image reconstruction algorithm for motion insensitive MR Fingerprinting (MRF): MORF.

Journal Article Magn Reson Med · December 2018 PURPOSE: The purpose of this study is to increase the robustness of MR fingerprinting (MRF) toward subject motion. METHODS: A novel reconstruction algorithm, MOtion insensitive MRF (MORF), was developed, which uses an iterative reconstruction based retrosp ... Full text Link to item Cite

Fast magnetic resonance fingerprinting for dynamic contrast-enhanced studies in mice.

Journal Article Magn Reson Med · December 2018 PURPOSE: The goal of this study was to develop a fast MR fingerprinting (MRF) method for simultaneous T1 and T2 mapping in DCE-MRI studies in mice. METHODS: The MRF sequences based on balanced SSFP and fast imaging with steady-state precession were impleme ... Full text Link to item Cite

Investigating and reducing the effects of confounding factors for robust T1 and T2 mapping with cardiac MR fingerprinting.

Journal Article Magn Reson Imaging · November 2018 This study aims to improve the accuracy and consistency of T1 and T2 measurements using cardiac MR Fingerprinting (cMRF) by investigating and accounting for the effects of confounding factors including slice profile, inversion and T2 preparation pulse effi ... Full text Link to item Cite

Estimation of perfusion properties with MR Fingerprinting Arterial Spin Labeling.

Journal Article Magn Reson Imaging · July 2018 In this study, the acquisition of ASL data and quantification of multiple hemodynamic parameters was explored using a Magnetic Resonance Fingerprinting (MRF) approach. A pseudo-continuous ASL labeling scheme was used with pseudo-randomized timings to acqui ... Full text Link to item Cite

Bayesian estimation of multicomponent relaxation parameters in magnetic resonance fingerprinting.

Journal Article Magn Reson Med · July 2018 PURPOSE: To estimate multiple components within a single voxel in magnetic resonance fingerprinting when the number and types of tissues comprising the voxel are not known a priori. THEORY: Multiple tissue components within a single voxel are potentially s ... Full text Link to item Cite

Low rank approximation methods for MR fingerprinting with large scale dictionaries.

Journal Article Magn Reson Med · April 2018 PURPOSE: This work proposes new low rank approximation approaches with significant memory savings for large scale MR fingerprinting (MRF) problems. THEORY AND METHODS: We introduce a compressed MRF with randomized singular value decomposition method to sig ... Full text Link to item Cite

Fast 3D magnetic resonance fingerprinting for a whole-brain coverage.

Journal Article Magn Reson Med · April 2018 PURPOSE: The purpose of this study was to accelerate the acquisition and reconstruction time of 3D magnetic resonance fingerprinting scans. METHODS: A 3D magnetic resonance fingerprinting scan was accelerated by using a single-shot spiral trajectory with a ... Full text Link to item Cite

Improved magnetic resonance fingerprinting reconstruction with low-rank and subspace modeling.

Journal Article Magn Reson Med · February 2018 PURPOSE: This article introduces a constrained imaging method based on low-rank and subspace modeling to improve the accuracy and speed of MR fingerprinting (MRF). THEORY AND METHODS: A new model-based imaging method is developed for MRF to reconstruct hig ... Full text Link to item Cite

Use of pattern recognition for unaliasing simultaneously acquired slices in simultaneous multislice MR fingerprinting.

Journal Article Magn Reson Med · November 2017 PURPOSE: The purpose of this study is to accelerate an MR fingerprinting (MRF) acquisition by using a simultaneous multislice method. METHODS: A multiband radiofrequency (RF) pulse was designed to excite two slices with different flip angles and phases. Th ... Full text Link to item Cite

Slice profile and B1 corrections in 2D magnetic resonance fingerprinting.

Journal Article Magn Reson Med · November 2017 PURPOSE: The goal of this study is to characterize and improve the accuracy of 2D magnetic resonance fingerprinting (MRF) scans in the presence of slice profile (SP) and B1 imperfections, which are two main factors that affect quantitative results in MRF. ... Full text Link to item Cite

Repeatability of magnetic resonance fingerprinting T1 and T2 estimates assessed using the ISMRM/NIST MRI system phantom.

Journal Article Magn Reson Med · October 2017 PURPOSE: The purpose of this study was to evaluate accuracy and repeatability of T1 and T2 estimates of a MR fingerprinting (MRF) method using the ISMRM/NIST MRI system phantom. METHODS: The ISMRM/NIST MRI system phantom contains multiple compartments with ... Full text Link to item Cite

Magnetic Resonance Fingerprinting-An Overview.

Journal Article Curr Opin Biomed Eng · September 2017 Magnetic Resonance Fingerprinting (MRF) is a new approach to quantitative magnetic resonance imaging that allows simultaneous measurement of multiple tissue properties in a single, time-efficient acquisition. The ability to reproducibly and quantitatively ... Full text Link to item Cite

Simultaneous multislice magnetic resonance fingerprinting (SMS-MRF) with direct-spiral slice-GRAPPA (ds-SG) reconstruction.

Journal Article Magn Reson Med · May 2017 PURPOSE: To develop a reconstruction method to improve SMS-MRF, in which slice acceleration is used in conjunction with highly undersampled in-plane acceleration to speed up MRF acquisition. METHODS: In this work two methods are employed to efficiently per ... Full text Link to item Cite

MR fingerprinting for rapid quantification of myocardial T1, T2, and proton spin density

Journal Article Magnetic Resonance in Medicine · April 1, 2017 Purpose: To introduce a two-dimensional MR fingerprinting (MRF) technique for quantification of T1, T2, and M0 in myocardium. Methods: An electrocardiograph-triggered MRF method is introduced for mapping myocardial T1< ... Full text Cite

MR fingerprinting for rapid quantification of myocardial T1 , T2 , and proton spin density.

Journal Article Magn Reson Med · April 2017 PURPOSE: To introduce a two-dimensional MR fingerprinting (MRF) technique for quantification of T1 , T2 , and M0 in myocardium. METHODS: An electrocardiograph-triggered MRF method is introduced for mapping myocardial T1 , T2 , and M0 during a single breath ... Full text Link to item Cite

MR fingerprinting using the quick echo splitting NMR imaging technique.

Journal Article Magn Reson Med · March 2017 PURPOSE: The purpose of the study is to develop a quantitative method for the relaxation properties with a reduced radio frequency (RF) power deposition by combining magnetic resonance fingerprinting (MRF) technique with quick echo splitting NMR imaging te ... Full text Link to item Cite

MR Fingerprinting of Adult Brain Tumors: Initial Experience.

Journal Article AJNR Am J Neuroradiol · March 2017 BACKGROUND AND PURPOSE: MR fingerprinting allows rapid simultaneous quantification of T1 and T2 relaxation times. This study assessed the utility of MR fingerprinting in differentiating common types of adult intra-axial brain tumors. MATERIALS AND METHODS: ... Full text Link to item Cite

Music-based magnetic resonance fingerprinting to improve patient comfort during MRI examinations.

Journal Article Magn Reson Med · June 2016 PURPOSE: Unpleasant acoustic noise is a drawback of almost every MRI scan. Instead of reducing acoustic noise to improve patient comfort, we propose a technique for mitigating the noise problem by producing musical sounds directly from the switching magnet ... Full text Link to item Cite

Multiscale reconstruction for MR fingerprinting.

Journal Article Magn Reson Med · June 2016 PURPOSE: To reduce the acquisition time needed to obtain reliable parametric maps with Magnetic Resonance Fingerprinting. METHODS: An iterative-denoising algorithm is initialized by reconstructing the MRF image series at low image resolution. For subsequen ... Full text Link to item Cite

Accelerating magnetic resonance fingerprinting (MRF) using t-blipped simultaneous multislice (SMS) acquisition.

Journal Article Magn Reson Med · May 2016 PURPOSE: We incorporate simultaneous multislice (SMS) acquisition into MR fingerprinting (MRF) to accelerate the MRF acquisition. METHODS: The t-Blipped SMS-MRF method is achieved by adding a Gz blip before each data acquisition window and balancing it wit ... Full text Link to item Cite

MR Fingerprinting for Rapid Quantitative Abdominal Imaging.

Journal Article Radiology · April 2016 PURPOSE: To develop a magnetic resonance (MR) "fingerprinting" technique for quantitative abdominal imaging. MATERIALS AND METHODS: This HIPAA-compliant study had institutional review board approval, and informed consent was obtained from all subjects. To ... Full text Link to item Cite

Cardiac MR fingerprinting for T1 and T2 mapping in four heartbeats

Journal Article Journal of Cardiovascular Magnetic Resonance · January 1, 2016 Full text Cite

MR fingerprinting using fast imaging with steady state precession (FISP) with spiral readout.

Journal Article Magn Reson Med · December 2015 PURPOSE: This study explores the possibility of using gradient echo-based sequences other than balanced steady-state free precession (bSSFP) in the magnetic resonance fingerprinting (MRF) framework to quantify the relaxation parameters . METHODS: An MRF me ... Full text Link to item Cite

Fast group matching for MR fingerprinting reconstruction.

Journal Article Magn Reson Med · August 2015 PURPOSE: MR fingerprinting (MRF) is a technique for quantitative tissue mapping using pseudorandom measurements. To estimate tissue properties such as T1 , T2 , proton density, and B0 , the rapidly acquired data are compared against a large dictionary of B ... Full text Link to item Cite

Preclinical MR fingerprinting (MRF) at 7 T: effective quantitative imaging for rodent disease models.

Journal Article NMR Biomed · March 2015 High-field preclinical MRI scanners are now commonly used to quantitatively assess disease status and the efficacy of novel therapies in a wide variety of rodent models. Unfortunately, conventional MRI methods are highly susceptible to respiratory and card ... Full text Link to item Cite

SVD compression for magnetic resonance fingerprinting in the time domain.

Journal Article IEEE Trans Med Imaging · December 2014 Magnetic resonance (MR) fingerprinting is a technique for acquiring and processing MR data that simultaneously provides quantitative maps of different tissue parameters through a pattern recognition algorithm. A predefined dictionary models the possible si ... Full text Link to item Cite

Quantification of left ventricular functional parameter values using 3D spiral bSSFP and through-time non-Cartesian GRAPPA.

Journal Article J Cardiovasc Magn Reson · September 11, 2014 BACKGROUND: The standard clinical acquisition for left ventricular functional parameter analysis with cardiovascular magnetic resonance (CMR) uses a multi-breathhold multi-slice segmented balanced SSFP sequence. Performing multiple long breathholds in quic ... Full text Link to item Cite

Magnetic resonance fingerprinting.

Journal Article Nature · March 14, 2013 Magnetic resonance is an exceptionally powerful and versatile measurement technique. The basic structure of a magnetic resonance experiment has remained largely unchanged for almost 50 years, being mainly restricted to the qualitative probing of only a lim ... Full text Link to item Cite

The performance of MLEM for dynamic imaging from simulated few-view, multi-pinhole SPECT.

Journal Article IEEE Trans Nucl Sci · February 2013 Stationary small-animal SPECT systems are being developed for rapid dynamic imaging from limited angular views. This paper quantified, through simulations, the performance of Maximum Likelihood Expectation Maximization (MLEM) for reconstructing a time-acti ... Full text Link to item Cite

IR TrueFISP with a golden-ratio-based radial readout: fast quantification of T1, T2, and proton density.

Journal Article Magn Reson Med · January 2013 A promising approach for the simultaneous quantification of relative proton density (M(0)), T(1), and T(2) is the inversion-recovery TrueFISP sequence, consisting of an inversion pulse followed by a series of balanced steady-state free precession acquisiti ... Full text Link to item Cite

Multi-pinhole dynamic SPECT imaging: Simulation and system optimization

Conference Progress in Biomedical Optics and Imaging Proceedings of SPIE · December 1, 2010 This work optimized a multi-pinhole collimator for a stationary three-camera Single Photon Emission Computed Tomography (SPECT) system designed for rapid (one-second) dynamic imaging through simulations. Multi-pinhole collimator designs were investigated t ... Full text Cite