Ronnie Wirestam
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- 2024
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Mark
Prediction of Consolidation Tumor Ratio on Planning CT Images of Lung Cancer Patients Treated with Radiotherapy Based on Deep Learning
(
- Contribution to journal › Article
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Mark
Aspects of Throughput Rate and Scientific Output in Doctoral Education: Changes over Time at the Departmental Level
(
- Contribution to journal › Article
- 2023
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Mark
Tissue response curve shape analysis of dynamic glucose enhanced (DGE) and dynamic contrast enhanced (DCE) MRI in patients with brain tumor
(
- Contribution to journal › Article
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Mark
Arterial Input Function : A Friend or Foe?
(
- Chapter in Book/Report/Conference proceeding › Book chapter
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Mark
Deep learning-based Lorentzian fitting of water saturation shift referencing spectra in MRI
(
- Contribution to journal › Article
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Mark
A numerical human brain phantom for dynamic glucose-enhanced (DGE) MRI : On the influence of head motion at 3T
(
- Contribution to journal › Article
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Mark
Abnormal cerebral hemodynamics and blood-brain barrier permeability detected with perfusion MRI in systemic lupus erythematosus patients
(
- Contribution to journal › Article
- 2022
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Mark
Non-parametric deconvolution using Bézier curves for quantification of cerebral perfusion in dynamic susceptibility contrast MRI
(
- Contribution to journal › Article
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Mark
Notes on quantitative susceptibility mapping reconstruction accuracy under challenging conditions: Phantom measurements and simulations
(
- Contribution to journal › Article
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Mark
Principles behind Magnetic Resonance Imaging (MRI)
(
- Chapter in Book/Report/Conference proceeding › Book chapter
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Mark
Comparison of MRI methods for measuring whole-brain oxygen extraction fraction under different geometric conditions at 7T
(
- Contribution to journal › Article
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Mark
Test-retest analysis of cerebral oxygen extraction estimates in healthy volunteers : comparison of methods based on quantitative susceptibility mapping and dynamic susceptibility contrast magnetic resonance imaging
(
- Contribution to journal › Article
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Mark
Towards robust glucose chemical exchange saturation transfer imaging in humans at 3 T: Arterial input function measurements and the effects of infusion time
(
- Contribution to journal › Article
- 2021
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Mark
Effects of red blood cells with reduced deformability on cerebral blood flow and vascular water transport: measurements in rats using time-resolved pulsed arterial spin labelling at 9.4 T
(
- Contribution to journal › Article
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Mark
Radiofrequency bias correction of magnetization prepared rapid gradient echo MRI at 7.0 Tesla using an external reference in a sequential protocol
(
- Contribution to journal › Article
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Mark
Mapping magnetization transfer saturation (MTsat) in human brain at 7T : Protocol optimization under specific absorption rate constraints
2021) In Magnetic Resonance in Medicine(
- Contribution to journal › Article
- 2020
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Mark
Dynamic contrast-enhanced QSM for perfusion imaging : a systematic comparison of ΔR2*- and QSM-based contrast agent concentration time curves in blood and tissue
(
- Contribution to journal › Article
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Mark
Reducing bias in dual flip angle T1-mapping in human brain at 7T
(
- Contribution to journal › Article
- 2019
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Mark
Estimation of diffusion, perfusion and fractional volumes using a multi-compartment relaxation-compensated intravoxel incoherent motion (IVIM) signal model
(
- Contribution to journal › Article
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Mark
Magnetization transfer (MT) of human brain at 7T in the context of a 3D multi-parameter mapping protocol
(
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
- 2018
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Mark
Arterial Input Functions and Tissue Response Curves in Dynamic Glucose-Enhanced (DGE) Imaging: Comparison Between glucoCEST and Blood Glucose Sampling in Humans
(
- Contribution to journal › Article
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Mark
Improved calculation of the equilibrium magnetization of arterial blood in arterial spin labeling
(
- Contribution to journal › Article
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Mark
Flow-Compensated IVIM in the Ballistic Regime: Data Acquisition, Modeling and Brain Applications
2018)(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
MRI-Based Quantification of Magnetic Susceptibility in Gel Phantoms : Assessment of Measurement and Calculation Accuracy
(
- Contribution to journal › Article
- 2017
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Mark
A linear mixed perfusion model for tissue partial volume correction of perfusion estimates in dynamic susceptibility contrast MRI: : Impact on absolute quantification, repeatability, and agreement with pseudo-continuous arterial spin labeling
(
- Contribution to journal › Article
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Mark
Separating Blood and Water: Perfusion and Free Water Elimination from Diffusion MRI in the Human Brain.
(
- Contribution to journal › Article
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Mark
Quantification of normal cerebral oxygen extraction and oxygen metabolism by phase-based MRI susceptometry: evaluation of repeatability using two different imaging protocols.
(
- Contribution to journal › Article
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Mark
Assessment of MRI contrast agent concentration by quantitative susceptibility mapping (QSM) : application to estimation of cerebral blood volume during steady state
(
- Contribution to journal › Article
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Mark
Dynamic Susceptibility Contrast MRI at 7 T:Tail-Scaling Analysis and Inferences About Field Strength Dependence
(
- Contribution to journal › Article
- 2016
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Mark
Quantification of microcirculatory parameters by joint analysis of flow-compensated and non-flow-compensated intravoxel incoherent motion (IVIM) data.
(
- Contribution to journal › Article
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Mark
Dynamic susceptibility contrast perfusion MRI using phase-based venous output functions: : comparison with pseudo-continuous arterial spin labelling and assessment of contrast agent concentration in large veins.
(
- Contribution to journal › Article
- 2015
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Mark
Measurement of vascular water transport in human subjects using time-resolved pulsed arterial spin labelling.
(
- Contribution to journal › Article
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Mark
Accuracy of Parenchymal Cerebral Blood Flow Measurements Using Pseudocontinuous Arterial Spin-Labeling in Healthy Volunteers.
(
- Contribution to journal › Article
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Mark
Combining Phase and Magnitude Information for Contrast Agent Quantification in Dynamic Contrast-Enhanced MRI Using Statistical Modeling
(
- Contribution to journal › Article
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Mark
Reduction of arterial partial volume effects for improved absolute quantification of DSC-MRI perfusion estimates: Comparison between tail scaling and prebolus administration.
(
- Contribution to journal › Article
- 2014
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Mark
Partial volume correction of brain perfusion estimates using the inherent signal data of time-resolved arterial spin labeling.
(
- Contribution to journal › Article
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Mark
Absolute quantification of perfusion by dynamic susceptibility contrast MRI using Bookend and VASO steady-state CBV calibration: a comparison with pseudo-continuous ASL.
(
- Contribution to journal › Article
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Mark
Intravoxel Incoherent Motion (IVIM) Imaging at Different Magnetic Field Strengths: What is Feasible?
(
- Contribution to journal › Article
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Mark
Perfusion Imaging and Hyperpolarized Agents for MRI
(
- Chapter in Book/Report/Conference proceeding › Book chapter
-
Mark
Dynamic susceptibility contrast MRI with a prebolus contrast agent administration design for improved absolute quantification of perfusion.
(
- Contribution to journal › Article
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Mark
Automatic brain segmentation using fractional signal modeling of a multiple flip angle, spoiled gradient-recalled echo acquisition.
(
- Contribution to journal › Article
- 2013
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Mark
Regional values of diffusional kurtosis estimates in the healthy brain.
(
- Contribution to journal › Article
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Mark
Effects of blood ΔR(2)* non-linearity on absolute perfusion quantification using DSC-MRI: Comparison with Xe-133 SPECT.
(
- Contribution to journal › Article
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Mark
Variability in diffusion kurtosis imaging: Impact on study design, statistical power and interpretation.
(
- Contribution to journal › Article
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Mark
Uncertainty estimation in dynamic contrast-enhanced MRI
(
- Contribution to journal › Article
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Mark
Perfusion quantification by model-free arterial spin labeling using nonlinear stochastic regularization deconvolution.
(
- Contribution to journal › Article
- 2012
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Mark
Using contrast agents to obtain maps of regional perfusion and capillary wall permeability
(
- Contribution to journal › Scientific review
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Mark
Core curriculum for medical physicists in radiology. Recommendations from an EFOMP/ESR working group
(
- Contribution to journal › Debate/Note/Editorial
- 2011
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Mark
Phase-based arterial input functions in humans applied to dynamic contrast-enhanced MRI: potential usefulness and limitations
(
- Contribution to journal › Article
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Mark
Correlation between arterial blood volume obtained by arterial spin labelling and cerebral blood volume in intracranial tumours.
(
- Contribution to journal › Article
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Mark
Effects of Inflow and Radiofrequency Spoiling on the Arterial Input Function in Dynamic Contrast-Enhanced MRI: A Combined Phantom and Simulation Study
(
- Contribution to journal › Article
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Mark
Can resting-state functional MRI serve as a complement to task-based mapping of sensorimotor function? A test-retest reliability study in healthy volunteers.
(
- Contribution to journal › Article
- 2010
-
Mark
Denoising of arterial spin labeling data: wavelet-domain filtering compared with Gaussian smoothing.
(
- Contribution to journal › Article
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Mark
Dimensionality reduction of fMRI time series data using locally linear embedding.
(
- Contribution to journal › Article
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Mark
Evaluating the accuracy and precision of a two-compartment Kärger model using Monte Carlo simulations.
(
- Contribution to journal › Article
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Mark
Assessment of spatial BOLD sensitivity variations in fMRI using gradient-echo field maps.
(
- Contribution to journal › Article
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Mark
Cerebral perfusion information obtained by dynamic contrast-enhanced phase-shift magnetic resonance imaging: comparison with model-free arterial spin labelling.
(
- Contribution to journal › Article
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Mark
Comparison of quantitative dynamic susceptibility-contrast MRI perfusion estimates obtained using different contrast-agent administration schemes at 3T.
(
- Contribution to journal › Article
-
Mark
Absolute quantification of cerebral blood flow: correlation between dynamic susceptibility contrast MRI and model-free arterial spin labeling.
(
- Contribution to journal › Article
-
Mark
Absolute quantification of perfusion using dynamic susceptibility contrast MRI: pitfalls and possibilities.
(
- Contribution to journal › Scientific review
- 2009
-
Mark
Magnetic resonance imaging versus chemical fat extraction in a small passerine, the willow warbler Phylloscopus trochilus: A fat-score based statistical comparison
(
- Contribution to journal › Article
-
Mark
Change in Cerebral Perfusion Detected by Dynamic Susceptibility Contrast Magnetic Resonance Imaging Normal volunteers examined during normal breathing and hyperventilation
(
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
-
Mark
On the effects of a varied diffusion time in vivo: is the diffusion in white matter restricted?
(
- Contribution to journal › Article
-
Mark
Diffusion-weighted MRI measurements on stroke patients reveal water-exchange mechanisms in sub-acute ischaemic lesions.
(
- Contribution to journal › Article
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Mark
Changes in cerebral perfusion detected by dynamic susceptibility contrast magnetic resonance imaging: Normal volunteers examined during normal breathing and hyperventilation
(
- Contribution to journal › Article
- 2008
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Mark
In vivo visualization of displacement-distribution-derived parameters in q-space imaging.
(
- Contribution to journal › Article
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Mark
MAGNETIC RESONANCE IMAGING FOR NONINVASIVE ANALYSIS OF FAT STORAGE IN MIGRATORY BIRDS
(
- Contribution to journal › Article
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Mark
Model-free arterial spin labelling for cerebral blood flow quantification: introduction of regional arterial input functions identified by factor analysis.
(
- Contribution to journal › Article
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Mark
Human cerebral blood volume (CBV) measured by dynamic susceptibility contrast MRI and 99mTc-RBC SPECT.
(
- Contribution to journal › Article
- 2007
-
Mark
Accuracy of q-space related parameters in MRI: Simulations and phantom measurements
(
- Contribution to journal › Article
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Mark
Absolute quantification of cerebral blood flow in normal volunteers: Correlation between Xe-133SPECT and dynamic susceptibility contrast MRI
(
- Contribution to journal › Article
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Mark
Attempts to improve absolute quantification of cerebral blood flow in dynamic susceptibility contrast magnetic resonance imaging: a simplified t1-weighted steady-state cerebral blood volume approach.
(
- Contribution to journal › Article
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Mark
Effects of restricted diffusion in a biological phantom: a q-space diffusion MRI study of asparagus stems at a 3T clinical scanner
(
- Contribution to journal › Article
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Mark
Gadolinium Contrast Agent is of Limited Value for Magnetic Resonance Imaging Assessment of Synovial Hypertrophy in Hemophiliacs.
(
- Contribution to journal › Article
- 2006
-
Mark
Denoising of complex MRI data by wavelet-domain filtering: Application to high-b-value diffusion-weighted imaging.
(
- Contribution to journal › Article
-
Mark
Calculation of cerebral perfusion parameters using regional arterial input functions identified by factor analysis.
(
- Contribution to journal › Article
-
Mark
Endovascular treatment of intracerebral arteriovenous malformations: procedural safety, complications, and results evaluated by MR imaging, including diffusion and perfusion imaging.
(
- Contribution to journal › Article
-
Mark
Dynamic Susceptibility Contrast-Enhanced Perfusion Magnetic Resonance (MR) Imaging Combined with Contrast-Enhanced MR Imaging in the Follow-up of Immunogene-Treated Glioblastoma Multiforme.
(
- Contribution to journal › Article
- 2005
-
Mark
Diffusion and perfusion MRI in patients with ruptured and unruptured intracranial aneurysms treated by endovascular coiling: complications, procedural results, MR findings and clinical outcome.
(
- Contribution to journal › Article
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Mark
Comparison of contrast agents with high molarity and with weak protein binding in cerebral perfusion imaging at 3 T.
(
- Contribution to journal › Article
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Mark
Development of educational image databases and e-books for medical physics training
(
- Contribution to journal › Article
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Mark
EMERALD & EMIT – worldwide computer aided education and training packages in medical physics
(
- Contribution to journal › Article
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Mark
Wavelet-based noise reduction for improved deconvolution of time-series data in dynamic susceptibility-contrast MRI.
(
- Contribution to journal › Article
-
Mark
European Medical Imaging Technology Training, EMIT – ett prisbelönt EU-utbildningsprojekt
2005) LTHs 3:e Pedagogiska inspirationskonferens, 2005(
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
- 2004
-
Mark
Effects of echo time variation on perfusion assessment using dynamic susceptibility contrast MR imaging at 3 tesla.
(
- Contribution to journal › Article
-
Mark
Cerebral perfusion assessment by bolus tracking using hyperpolarized 13C.
(
- Contribution to journal › Article
-
Mark
Aspects on the accuracy of cerebral perfusion parameters obtained by dynamic susceptibility contrast MRI: a simulation study.
(
- Contribution to journal › Article
-
Mark
Perfusion assessment with bolus differentiation: A technique applicable to hyperpolarized tracers.
(
- Contribution to journal › Article
-
Mark
Perfusion assessment with bolus differentiation : a technique applicable to hyperpolarized tracers
(
- Contribution to journal › Article
- 2003
-
Mark
Visualisation of displacement-distribution parameters in q-space imaging
(
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
-
Mark
Medical physics e-learning training materials. Information Technology Applications in Biomedicine
2003) 4th Annual IEEE EMBS Special Topic Conf on Information Technology Applications in Biomedicine, ITAB 2003 p.94-97(
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
- 2002
-
Mark
Combined diffusion weighting and CSF suppression in functional MRI.
(
- Contribution to journal › Article
- 2001
-
Mark
Diffusion- and perfusion-weighted MRI in therapeutic neurointerventional procedures
(
- Contribution to journal › Article
-
Mark
Perfusion-related parameters in intravoxel incoherent motion MR imaging compared with CBV and CBF measured by dynamic susceptibility-contrast MR technique
(
- Contribution to journal › Article
- 2000
-
Mark
Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques
(
- Contribution to journal › Article
-
Mark
Regional cerebral blood flow distributions in normal volunteers: dynamic susceptibility contrast MRI compared with 99mTc-HMPAO SPECT
(
- Contribution to journal › Article
-
Mark
Absolute cerebral blood flow measured by dynamic susceptibility contrast MRI: a direct comparison with Xe-133 SPECT
(
- Contribution to journal › Article
- 1999
-
Mark
Triggering in quantitative diffusion imaging with single-shot EPI
(
- Contribution to journal › Article
-
Mark
Single-shot diffusion-weighted echo-planar imaging of normal and cirrhotic livers using a phased-array multicoil.
(
- Contribution to journal › Debate/Note/Editorial
-
Mark
Simplified treatment planning for interstitial laser thermotherapy by disregarding light transport: A numerical study
(
- Contribution to journal › Article