Ronnie Wirestam
Professor
Publikationer
Visar av publikationer. Sorterade efter år och sen titel.
Concomitant Gradient Effects Across Field Strengths and Gradient Amplitudes : Improved Estimation of Errors and Correction of Concomitant Dephasing and Diffusion Weighting
Viktor Olsson, Felix Mortensen, Emil Ljungberg, Frederik Testud, Ronnie Wirestam, et al.
(2026) Magnetic Resonance in Medicine, 96 p.1178-1191
Artikel i vetenskaplig tidskriftToward Super-Resolution Reconstruction of Diffusion–Relaxation MRI Using Slice Excitation With Random Overlap (SERO)
Felix Mortensen, Jakub Jurek, Jens Sjölund, Geraline Vis, Ronnie Wirestam, et al.
(2026) Magnetic Resonance in Medicine, 95 p.3213-3226
Artikel i vetenskaplig tidskriftESR Essentials : Perfusion MRI—practice recommendations by the European Society for Magnetic Resonance in Medicine and Biology
Petra J. van Houdt, Lena Václavů, Steven Sourbron, Eve S. Shalom, Christian Federau, et al.
(2026) European Radiology
ÖversiktsartikelCerebral glucose delivery, transport and metabolism : Theory and modeling using four, three, and two tissue compartments
Anina Seidemo, Linda Knutsson, Nirbhay N Yadav, Pia C Sundgren, Ronnie Wirestam, et al.
(2026) Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 46 p.534-557
Artikel i vetenskaplig tidskriftTemporal Shift When Comparing Contrast-Agent Concentration Curves Estimated Using Quantitative Susceptibility Mapping (QSM) and ΔR2* : The Association Between Vortex Parameters and Oxygen Extraction Fraction
Ronnie Wirestam, Anna Lundberg, Linda Knutsson, Emelie Lind
(2025) Tomography, 11
Artikel i vetenskaplig tidskriftBrain perfusion and blood-brain barrier permeability in systemic lupus erythematosus patients : Associations with disease activity, cognitive dysfunction, fatigue and pain
Tim Salomonsson, Kristoffer A Zervides, Andreas Jönsen, Malte Knutsson, Ronnie Wirestam, et al.
(2025) Neuroimage: Reports, 5
Artikel i vetenskaplig tidskriftEvaluation of parameters extracted from tissue residue functions in dynamic susceptibility contrast MRI: Healthy volunteers examined during normal breathing and spontaneous hyperventilation
Ronnie Wirestam, Arthur Chakwizira, Peter Reinstrup
(2025) Heliyon, 11 p.1-11
Artikel i vetenskaplig tidskriftMachine learning-based multi-pool Voigt fitting of CEST, rNOE, and MTC in Z-spectra
Sajad Mohammed Ali, Peter C M van Zijl, Jannik Prasuhn, Ronnie Wirestam, Linda Knutsson, et al.
(2025) Magnetic Resonance in Medicine, 94 p.346-361
Artikel i vetenskaplig tidskriftAspects of Throughput Rate and Scientific Output in Doctoral Education: Changes over Time at the Departmental Level
Ronnie Wirestam
(2024) Education Sciences, 14
Artikel i vetenskaplig tidskriftPrediction of Consolidation Tumor Ratio on Planning CT Images of Lung Cancer Patients Treated with Radiotherapy Based on Deep Learning
Yizhi Tong, Hidetaka Arimura, Tadamasa Yoshitake, Yunhao Cui, Takumi Kodama, et al.
(2024) Applied Sciences (Switzerland), 14
Artikel i vetenskaplig tidskriftArterial Input Function : A Friend or Foe?
Linda Knutsson, Ronnie Wirestam, Emelie Lind
(2023) Quantitative Perfusion MRI: Techniques, Applications and Practical Considerations, 11 p.171-196
Kapitel samlingsverkDeep learning-based Lorentzian fitting of water saturation shift referencing spectra in MRI
Sajad Mohammed Ali, Nirbhay N Yadav, Ronnie Wirestam, Munendra Singh, Hye-Young Heo, et al.
(2023) Magnetic Resonance in Medicine, 90 p.1610-1624
Artikel i vetenskaplig tidskriftAbnormal cerebral hemodynamics and blood-brain barrier permeability detected with perfusion MRI in systemic lupus erythematosus patients
T. Salomonsson, T. Rumetshofer, A. Jönsen, A.A. Bengtsson, K. A. Zervides, et al.
(2023) NeuroImage: Clinical, 38
Artikel i vetenskaplig tidskriftTissue response curve shape analysis of dynamic glucose enhanced (DGE) and dynamic contrast enhanced (DCE) MRI in patients with brain tumor
Anina Seidemo, Ronnie Wirestam, Gunther Helms, Karin Markenroth bloch, Xiang Xu, et al.
(2023) NMR in Biomedicine, 36
Artikel i vetenskaplig tidskriftA numerical human brain phantom for dynamic glucose-enhanced (DGE) MRI : On the influence of head motion at 3T
Patrick M Lehmann, Anina Seidemo, Mads Andersen, Xiang Xu, Xu Li, et al.
(2023) Magnetic Resonance in Medicine, 89 p.1871-1887
Artikel i vetenskaplig tidskriftNon-parametric deconvolution using Bézier curves for quantification of cerebral perfusion in dynamic susceptibility contrast MRI
Arthur Chakwizira, André Ahlgren, Linda Knutsson, Ronnie Wirestam
(2022) Magnetic Resonance Materials in Physics, Biology, and Medicine, 35 p.791–804
Artikel i vetenskaplig tidskriftTowards robust glucose chemical exchange saturation transfer imaging in humans at 3 T: Arterial input function measurements and the effects of infusion time
Anina Seidemo, Patrick M. Lehmann, Anna Rydhög, Ronnie Wirestam, Gunther Helms, et al.
(2022) NMR in Biomedicine, 35 p.e4624
Artikel i vetenskaplig tidskriftComparison of MRI methods for measuring whole-brain oxygen extraction fraction under different geometric conditions at 7T
Anna Lundberg, Emelie Lind, Hampus Olsson, Gunther Helms, Linda Knutsson, et al.
(2022) Journal of Neuroimaging, 32 p.442-458
Artikel i vetenskaplig tidskriftPrinciples behind Magnetic Resonance Imaging (MRI)
Ronnie Wirestam
(2022) Series in Medical Physics and Biomedical Engineering, 1
Kapitel samlingsverkTest-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
Ronnie Wirestam, Anna Lundberg, Arthur Chakwizira, Danielle van Westen, Linda Knutsson, et al.
(2022) Heliyon, 8
Artikel i vetenskaplig tidskriftNotes on quantitative susceptibility mapping reconstruction accuracy under challenging conditions: Phantom measurements and simulations
Anna Lundberg, Emelie Lind, Linda Knutsson, Ronnie Wirestam
(2022) Journal of Medical and Scientific Research, 10 p.111-117
Artikel i vetenskaplig tidskriftEffects 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
Adnan Bibic, Tea Sordia, Erik Henningsson, Linda Knutsson, Freddy Ståhlberg, et al.
(2021) European Radiology Experimental, 5 p.1-12
Artikel i vetenskaplig tidskriftRadiofrequency bias correction of magnetization prepared rapid gradient echo MRI at 7.0 Tesla using an external reference in a sequential protocol
Hampus Olsson, Mikael Novén, Jimmy Lätt, Ronnie Wirestam, Gunther Helms
(2021) Tomography : a journal for imaging research, 7 p.434–451
Artikel i vetenskaplig tidskriftMapping magnetization transfer saturation (MTsat) in human brain at 7T : Protocol optimization under specific absorption rate constraints
Hampus Olsson, Mads Andersen, Ronnie Wirestam, Gunther Helms
(2021) Magnetic Resonance in Medicine
Artikel i vetenskaplig tidskriftDynamic contrast-enhanced QSM for perfusion imaging : a systematic comparison of ΔR2*- and QSM-based contrast agent concentration time curves in blood and tissue
Emelie Lind, Linda Knutsson, Freddy Ståhlberg, Ronnie Wirestam
(2020) Magnetic Resonance Materials in Physics, Biology, and Medicine, 33 p.663-676
Artikel i vetenskaplig tidskriftReducing bias in dual flip angle T1-mapping in human brain at 7T
Hampus Olsson, Mads Andersen, Jimmy Lätt, Ronnie Wirestam, Gunther Helms
(2020) Magnetic Resonance in Medicine, 84 p.1347-1358
Artikel i vetenskaplig tidskriftEstimation of diffusion, perfusion and fractional volumes using a multi-compartment relaxation-compensated intravoxel incoherent motion (IVIM) signal model
Anna Rydhög, Ofer Pasternak, Freddy Ståhlberg, André Ahlgren, Linda Knutsson, et al.
(2019) European Journal of Radiology Open, 6 p.198-205
Artikel i vetenskaplig tidskriftMagnetization transfer (MT) of human brain at 7T in the context of a 3D multi-parameter mapping protocol
Hampus Olsson, Mads Andersen, Jimmy Lätt, Ronnie Wirestam, Gunther Helms
(2019) Proc Intl Soc Magn Reson Med, 27
Konferenspaper i proceedingFlow-Compensated IVIM in the Ballistic Regime: Data Acquisition, Modeling and Brain Applications
André Ahlgren, Ronnie Wirestam
(2018) Intravoxel Incoherent Motion (IVIM) MRI: Principles and Applications
Kapitel samlingsverkMRI-Based Quantification of Magnetic Susceptibility in Gel Phantoms : Assessment of Measurement and Calculation Accuracy
Emma Olsson, Ronnie Wirestam, Emelie Lind
(2018) Radiology research and practice, 2018
Artikel i vetenskaplig tidskriftArterial Input Functions and Tissue Response Curves in Dynamic Glucose-Enhanced (DGE) Imaging: Comparison Between glucoCEST and Blood Glucose Sampling in Humans
Linda Knutsson, Anina Seidemo, Anna Rydhög, Karin Markenroth Bloch, Rita R Kalyani, et al.
(2018) Tomography : a journal for imaging research, 4 p.164-171
Artikel i vetenskaplig tidskriftImproved calculation of the equilibrium magnetization of arterial blood in arterial spin labeling
André Ahlgren, Ronnie Wirestam, Linda Knutsson, Esben Thade Petersen
(2018) Magnetic Resonance in Medicine, 80 p.2223-2231
Artikel i vetenskaplig tidskriftDynamic Susceptibility Contrast MRI at 7 T:Tail-Scaling Analysis and Inferences About Field Strength Dependence
Linda Knutsson, Xiang Xu, Freddy Ståhlberg, Peter Barker, Emelie Lind, et al.
(2017) Tomography : a journal for imaging research, 3 p.74-8
Artikel i vetenskaplig tidskriftAssessment of MRI contrast agent concentration by quantitative susceptibility mapping (QSM) : application to estimation of cerebral blood volume during steady state
Emelie Lind, Linda Knutsson, Robin Kämpe, Freddy Ståhlberg, Ronnie Wirestam
(2017) Magnetic Resonance Materials in Physics, Biology, and Medicine, 30 p.555-566
Artikel i vetenskaplig tidskriftSeparating Blood and Water: Perfusion and Free Water Elimination from Diffusion MRI in the Human Brain.
Anna Scherman Rydhög, Filip Szczepankiewicz, Ronnie Wirestam, André Ahlgren, Carl-Fredrik Westin, et al.
(2017) NeuroImage, 156 p.423-434
Artikel i vetenskaplig tidskriftA 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
André Ahlgren, Ronnie Wirestam, Emelie Lind, Freddy Ståhlberg, Linda Knutsson
(2017) Magnetic Resonance in Medicine, 77 p.2203–2214
Artikel i vetenskaplig tidskriftQuantification of normal cerebral oxygen extraction and oxygen metabolism by phase-based MRI susceptometry: evaluation of repeatability using two different imaging protocols.
Robin Kämpe, Emelie Lind, Freddy Ståhlberg, Danielle van Westen, Linda Knutsson, et al.
(2017) Clinical Physiology and Functional Imaging, 37 p.2011-220
Artikel i vetenskaplig tidskriftDynamic 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.
Ronnie Wirestam, Emelie Lind, André Ahlgren, Freddy Ståhlberg, Linda Knutsson
(2016) Magnetic Resonance Materials in Physics, Biology, and Medicine, 29 p.823–831
Artikel i vetenskaplig tidskriftQuantification of microcirculatory parameters by joint analysis of flow-compensated and non-flow-compensated intravoxel incoherent motion (IVIM) data.
André Ahlgren, Linda Knutsson, Ronnie Wirestam, Markus Nilsson, Freddy Ståhlberg, et al.
(2016) NMR in Biomedicine, 29 p.640-649
Artikel i vetenskaplig tidskriftReduction of arterial partial volume effects for improved absolute quantification of DSC-MRI perfusion estimates: Comparison between tail scaling and prebolus administration.
Linda Knutsson, Emelie Lind, André Ahlgren, Matthias J P van Osch, Karin Markenroth Bloch, et al.
(2015) Journal of Magnetic Resonance Imaging, 41 p.903-908
Artikel i vetenskaplig tidskriftAccuracy of Parenchymal Cerebral Blood Flow Measurements Using Pseudocontinuous Arterial Spin-Labeling in Healthy Volunteers.
K Ambarki, A Wåhlin, L Zarrinkoob, Ronnie Wirestam, J Petr, et al.
(2015) AJNR, 36 p.1816-1821
Artikel i vetenskaplig tidskriftMeasurement of vascular water transport in human subjects using time-resolved pulsed arterial spin labelling.
Adnan Bibic, Linda Knutsson, Anders Schmidt, Erik Henningsson, Sven Månsson, et al.
(2015) NMR in Biomedicine, 28 p.1059-1068
Artikel i vetenskaplig tidskriftCombining Phase and Magnitude Information for Contrast Agent Quantification in Dynamic Contrast-Enhanced MRI Using Statistical Modeling
Patrik Brynolfsson, Jun Yu, Ronnie Wirestam, Mikael Karlsson, Anders Garpebring
(2015) Magnetic Resonance in Medicine, 74 p.1156-1164
Artikel i vetenskaplig tidskriftPerfusion Imaging and Hyperpolarized Agents for MRI
Ronnie Wirestam, Sven Månsson, Linda Knutsson
(2014) Comprehensive Biomedical Physics, 3 p.37-53
Kapitel samlingsverkPartial volume correction of brain perfusion estimates using the inherent signal data of time-resolved arterial spin labeling.
André Ahlgren, Ronnie Wirestam, Esben Thade Petersen, Freddy Ståhlberg, Linda Knutsson
(2014) NMR in Biomedicine, 27 p.1112-1122
Artikel i vetenskaplig tidskriftIntravoxel Incoherent Motion (IVIM) Imaging at Different Magnetic Field Strengths: What is Feasible?
Anna Scherman Rydhög, Matthias J P van Osch, Emelie Lind, Markus Nilsson, Jimmy Lätt, et al.
(2014) Magnetic Resonance Imaging, 32 p.1247-1258
Artikel i vetenskaplig tidskriftAbsolute quantification of perfusion by dynamic susceptibility contrast MRI using Bookend and VASO steady-state CBV calibration: a comparison with pseudo-continuous ASL.
Emelie Lind, Ronnie Wirestam, Karin Markenroth Bloch, André Ahlgren, Matthias J P van Osch, et al.
(2014) Magma, 27 p.487-499
Artikel i vetenskaplig tidskriftDynamic susceptibility contrast MRI with a prebolus contrast agent administration design for improved absolute quantification of perfusion.
Linda Knutsson, Emelie Lind, André Ahlgren, Matthias J P van Osch, Karin Markenroth Bloch, et al.
(2014) Magnetic Resonance in Medicine, 72 p.996-1006
Artikel i vetenskaplig tidskriftAutomatic brain segmentation using fractional signal modeling of a multiple flip angle, spoiled gradient-recalled echo acquisition.
André Ahlgren, Ronnie Wirestam, Freddy Ståhlberg, Linda Knutsson
(2014) Magma, 27 p.551-565
Artikel i vetenskaplig tidskriftUncertainty estimation in dynamic contrast-enhanced MRI
Anders Garpebring, Patrik Brynolfsson, Jun Yu, Ronnie Wirestam, Adam Johansson, et al.
(2013) Magnetic Resonance in Medicine, 69 p.992-1002
Artikel i vetenskaplig tidskriftEffects of blood ΔR(2)* non-linearity on absolute perfusion quantification using DSC-MRI: Comparison with Xe-133 SPECT.
Linda Knutsson, Freddy Ståhlberg, Ronnie Wirestam, Matthias J van Osch
(2013) Magnetic Resonance Imaging, 31 p.651-655
Artikel i vetenskaplig tidskriftVariability in diffusion kurtosis imaging: Impact on study design, statistical power and interpretation.
Filip Szczepankiewicz, Jimmy Lätt, Ronnie Wirestam, Alexander Leemans, Pia Sundgren, et al.
(2013) NeuroImage, 76 p.145-154
Artikel i vetenskaplig tidskriftRegional values of diffusional kurtosis estimates in the healthy brain.
Jimmy Lätt, Markus Nilsson, Ronnie Wirestam, Freddy Ståhlberg, Nils Karlsson, et al.
(2013) Journal of Magnetic Resonance Imaging, 37 p.610-618
Artikel i vetenskaplig tidskriftPerfusion quantification by model-free arterial spin labeling using nonlinear stochastic regularization deconvolution.
André Ahlgren, Ronnie Wirestam, Esben Thade Petersen, Freddy Ståhlberg, Linda Knutsson
(2013) Magnetic Resonance in Medicine, 70 p.1470-1480
Artikel i vetenskaplig tidskriftCore curriculum for medical physicists in radiology. Recommendations from an EFOMP/ESR working group
Jacob Geleijns, Eamann Breatnach, Alfonso Calzado Cantera, John Damilakis, Philip Dendy, et al.
(2012) Insights into Imaging, 3 p.197-200
Debate/Note/EditorialUsing contrast agents to obtain maps of regional perfusion and capillary wall permeability
Ronnie Wirestam
(2012) Imaging in Medicine, 4 p.423-442
ÖversiktsartikelCorrelation between arterial blood volume obtained by arterial spin labelling and cerebral blood volume in intracranial tumours.
Danielle van Westen, Esben T Petersen, Ronnie Wirestam, Roger Siemund, Karin Markenroth Bloch, et al.
(2011) Magma, 24 p.211-223
Artikel i vetenskaplig tidskriftCan resting-state functional MRI serve as a complement to task-based mapping of sensorimotor function? A test-retest reliability study in healthy volunteers.
Peter Mannfolk, Markus Nilsson, Henrik Hansson, Freddy Ståhlberg, Peter Fransson, et al.
(2011) Journal of Magnetic Resonance Imaging, 34 p.511-517
Artikel i vetenskaplig tidskriftEffects of Inflow and Radiofrequency Spoiling on the Arterial Input Function in Dynamic Contrast-Enhanced MRI: A Combined Phantom and Simulation Study
Anders Garpebring, Ronnie Wirestam, Nils Ostlund, Mikael Karlsson
(2011) Magnetic Resonance in Medicine, 65 p.1670-1679
Artikel i vetenskaplig tidskriftPhase-based arterial input functions in humans applied to dynamic contrast-enhanced MRI: potential usefulness and limitations
Anders Garpebring, Ronnie Wirestam, Jun Yu, Thomas Asklund, Mikael Karlsson
(2011) Magma, 24 p.233-245
Artikel i vetenskaplig tidskriftAssessment of spatial BOLD sensitivity variations in fMRI using gradient-echo field maps.
Peter Mannfolk, Ronnie Wirestam, Markus Nilsson, Danielle van Westen, Freddy Ståhlberg, et al.
(2010) Magnetic Resonance Imaging, 28 p.947-956
Artikel i vetenskaplig tidskriftComparison of quantitative dynamic susceptibility-contrast MRI perfusion estimates obtained using different contrast-agent administration schemes at 3T.
Ronnie Wirestam, Oliver Thilmann, Linda Knutsson, Isabella Björkman-Burtscher, Elna-Marie Larsson, et al.
(2010) European Journal of Radiology, 75 p.E86-E91
Artikel i vetenskaplig tidskriftDimensionality reduction of fMRI time series data using locally linear embedding.
Peter Mannfolk, Ronnie Wirestam, Markus Nilsson, Freddy Ståhlberg, Johan Olsrud
(2010) Magma, 23 p.327-338
Artikel i vetenskaplig tidskriftCerebral perfusion information obtained by dynamic contrast-enhanced phase-shift magnetic resonance imaging: comparison with model-free arterial spin labelling.
Ronnie Wirestam, Emelie Lindgren, Danielle van Westen, Karin Markenroth Bloch, Freddy Ståhlberg, et al.
(2010) Clinical Physiology and Functional Imaging, 30 p.375-379
Artikel i vetenskaplig tidskriftAbsolute quantification of perfusion using dynamic susceptibility contrast MRI: pitfalls and possibilities.
Linda Knutsson, Freddy Ståhlberg, Ronnie Wirestam
(2010) Magma, 23 p.1-21
ÖversiktsartikelEvaluating the accuracy and precision of a two-compartment Kärger model using Monte Carlo simulations.
Markus Nilsson, Erik Alerstam, Ronnie Wirestam, Freddy Ståhlberg, Sara Brockstedt, et al.
(2010) Journal of Magnetic Resonance, 206 p.59-67
Artikel i vetenskaplig tidskriftDenoising of arterial spin labeling data: wavelet-domain filtering compared with Gaussian smoothing.
Adnan Bibic, Linda Knutsson, Freddy Ståhlberg, Ronnie Wirestam
(2010) Magma, 23 p.125-137
Artikel i vetenskaplig tidskriftAbsolute quantification of cerebral blood flow: correlation between dynamic susceptibility contrast MRI and model-free arterial spin labeling.
Linda Knutsson, Danielle van Westen, Esben T Petersen, Karin Markenroth Bloch, Stig Holtås, et al.
(2010) Magnetic Resonance Imaging, 28 p.1-7
Artikel i vetenskaplig tidskriftDiffusion-weighted MRI measurements on stroke patients reveal water-exchange mechanisms in sub-acute ischaemic lesions.
Jimmy Lätt, Markus Nilsson, Danielle van Westen, Ronnie Wirestam, Freddy Ståhlberg, et al.
(2009) NMR in Biomedicine, 22 p.619-628
Artikel i vetenskaplig tidskriftOn the effects of a varied diffusion time in vivo: is the diffusion in white matter restricted?
Markus Nilsson, Jimmy Lätt, Emil Nordh, Ronnie Wirestam, Freddy Ståhlberg, et al.
(2009) Magnetic Resonance Imaging, 27 p.176-187
Artikel i vetenskaplig tidskriftMagnetic resonance imaging versus chemical fat extraction in a small passerine, the willow warbler Phylloscopus trochilus: A fat-score based statistical comparison
Anders Hedenström, Timmy Fagerlund, Mikael Rosén, Ronnie Wirestam
(2009) Journal of Avian Biology, 40 p.457-460
Artikel i vetenskaplig tidskriftChange in Cerebral Perfusion Detected by Dynamic Susceptibility Contrast Magnetic Resonance Imaging Normal volunteers examined during normal breathing and hyperventilation
Ronnie Wirestam, Christian Engvall, Erik Ryding, Stig Holtas, Freddy Stahlberg, et al.
(2009) 2009 3Rd International Conference On Bioinformatics And Biomedical Engineering, Vols 1-11 , p.2291-2294
Konferenspaper i proceedingChanges in cerebral perfusion detected by dynamic susceptibility contrast magnetic resonance imaging: Normal volunteers examined during normal breathing and hyperventilation
Ronnie Wirestam, Christian Engvall, Erik Ryding, Stig Holtås, Freddy Ståhlberg, et al.
(2009) Journal of Biomedical Science and Engineering, 2 p.210-215
Artikel i vetenskaplig tidskriftHuman cerebral blood volume (CBV) measured by dynamic susceptibility contrast MRI and 99mTc-RBC SPECT.
Christian Engvall, Erik Ryding, Ronnie Wirestam, Stig Holtås, Kaj Ljunggren, et al.
(2008) Journal of Neurosurgical Anesthesiology, 20 p.41-44
Artikel i vetenskaplig tidskriftModel-free arterial spin labelling for cerebral blood flow quantification: introduction of regional arterial input functions identified by factor analysis.
Linda Knutsson, Karin M Bloch, Stig Holtås, Ronnie Wirestam, Freddy Ståhlberg
(2008) Magnetic Resonance Imaging, 26 p.554-559
Artikel i vetenskaplig tidskriftMAGNETIC RESONANCE IMAGING FOR NONINVASIVE ANALYSIS OF FAT STORAGE IN MIGRATORY BIRDS
Ronnie Wirestam, Timmy Fagerlund, Mikael Rosén, Anders Hedenström
(2008) The Auk, 125 p.965-971
Artikel i vetenskaplig tidskriftIn vivo visualization of displacement-distribution-derived parameters in q-space imaging.
Jimmy Lätt, Markus Nilsson, Ronnie Wirestam, Edvin Johansson, Elna-Marie Larsson, et al.
(2008) Magnetic Resonance Imaging, 26 p.77-87
Artikel i vetenskaplig tidskriftAbsolute quantification of cerebral blood flow in normal volunteers: Correlation between Xe-133SPECT and dynamic susceptibility contrast MRI
Linda Knutsson, Siv Börjesson, Elna-Marie Larsson, Jarl Risberg, Lars Gustafson, et al.
(2007) Journal of Magnetic Resonance Imaging, 26 p.913-920
Artikel i vetenskaplig tidskriftEffects of restricted diffusion in a biological phantom: a q-space diffusion MRI study of asparagus stems at a 3T clinical scanner
Jimmy Lätt, Markus Nilsson, Anna Rydhög, Ronnie Wirestam, Freddy Ståhlberg, et al.
(2007) Magma, 20 p.213-222
Artikel i vetenskaplig tidskriftAccuracy of q-space related parameters in MRI: Simulations and phantom measurements
Jimmy Lätt, Markus Nilsson, Carin Malmborg, Hannah Rosquist, Ronnie Wirestam, et al.
(2007) IEEE Transactions on Medical Imaging, 26 p.1437-1447
Artikel i vetenskaplig tidskriftGadolinium Contrast Agent is of Limited Value for Magnetic Resonance Imaging Assessment of Synovial Hypertrophy in Hemophiliacs.
Björn Lundin, Erik Berntorp, Holger Pettersson, Ronnie Wirestam, K Jonsson, et al.
(2007) Acta Radiologica, 48 p.520-530
Artikel i vetenskaplig tidskriftAttempts 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.
Ronnie Wirestam, Linda Knutsson, Jarl Risberg, Siv Börjesson, Elna-Marie Larsson, et al.
(2007) Acta Radiologica, 48 p.550-556
Artikel i vetenskaplig tidskriftDenoising of complex MRI data by wavelet-domain filtering: Application to high-b-value diffusion-weighted imaging.
Ronnie Wirestam, Adnan Bibic, Jimmy Lätt, Sara Brockstedt, Freddy Ståhlberg
(2006) Magnetic Resonance in Medicine, 56 p.1114-1120
Artikel i vetenskaplig tidskriftEndovascular treatment of intracerebral arteriovenous malformations: procedural safety, complications, and results evaluated by MR imaging, including diffusion and perfusion imaging.
Mats Cronqvist, Ronnie Wirestam, B Ramgren, Lennart Brandt, Bertil Romner, et al.
(2006) AJNR, 27 p.162-176
Artikel i vetenskaplig tidskriftCalculation of cerebral perfusion parameters using regional arterial input functions identified by factor analysis.
Linda Knutsson, Elna-Marie Larsson, Oliver Thilmann, Freddy Ståhlberg, Ronnie Wirestam
(2006) Journal of Magnetic Resonance Imaging, 23 p.444-453
Artikel i vetenskaplig tidskriftDynamic Susceptibility Contrast-Enhanced Perfusion Magnetic Resonance (MR) Imaging Combined with Contrast-Enhanced MR Imaging in the Follow-up of Immunogene-Treated Glioblastoma Multiforme.
Lars Stenberg, Elisabet Englund, Ronnie Wirestam, Peter Siesjö, Leif Salford, et al.
(2006) Acta Radiologica, 47 p.852-861
Artikel i vetenskaplig tidskriftEMERALD & EMIT – worldwide computer aided education and training packages in medical physics
Bo-Anders Jönsson, SD Tabakov, V Aitken, M Almqvist, G Clarke, et al.
(2005) CAL-laborate, 13 p.10-15
Artikel i vetenskaplig tidskriftWavelet-based noise reduction for improved deconvolution of time-series data in dynamic susceptibility-contrast MRI.
Ronnie Wirestam, Freddy Ståhlberg
(2005) Magma, 18 p.113-118
Artikel i vetenskaplig tidskriftComparison of contrast agents with high molarity and with weak protein binding in cerebral perfusion imaging at 3 T.
Oliver Thilmann, Elna-Marie Larsson, Isabella Björkman-Burtscher, Freddy Ståhlberg, Ronnie Wirestam
(2005) Journal of Magnetic Resonance Imaging, 22 p.597-604
Artikel i vetenskaplig tidskriftEuropean Medical Imaging Technology Training, EMIT – ett prisbelönt EU-utbildningsprojekt
Monica Almqvist, Tomas Jansson, Bo-Anders Jönsson, Inger-Lena Lamm, Michael Ljungberg, et al.
(2005) [Host publication title missing]
Konferenspaper i proceedingDevelopment of educational image databases and e-books for medical physics training
S Tabakov, V C Roberts, B-A Jonsson, Michael Ljungberg, C A Lewis, et al.
(2005) Medical Engineering & Physics, 27 p.591-598
Artikel i vetenskaplig tidskriftDiffusion and perfusion MRI in patients with ruptured and unruptured intracranial aneurysms treated by endovascular coiling: complications, procedural results, MR findings and clinical outcome.
Mats Cronqvist, Ronnie Wirestam, B Ramgren, Lennart Brandt, Ola Nilsson, et al.
(2005) Neuroradiology, 47 p.855-873
Artikel i vetenskaplig tidskriftCerebral perfusion assessment by bolus tracking using hyperpolarized 13C.
Edvin Johansson, S Månsson, Ronnie Wirestam, Jonas Svensson, J S Petersson, et al.
(2004) Magnetic Resonance in Medicine, 51 p.464-472
Artikel i vetenskaplig tidskriftAspects on the accuracy of cerebral perfusion parameters obtained by dynamic susceptibility contrast MRI: a simulation study.
Linda Knutsson, Freddy Ståhlberg, Ronnie Wirestam
(2004) Magnetic Resonance Imaging, 22 p.789-798
Artikel i vetenskaplig tidskriftPerfusion assessment with bolus differentiation: A technique applicable to hyperpolarized tracers.
Edvin Johansson, L E Olsson, Sofie Ceberg, J S Petersson, K Golman, et al.
(2004) Magnetic Resonance in Medicine, 52 p.1043-1051
Artikel i vetenskaplig tidskriftEffects of echo time variation on perfusion assessment using dynamic susceptibility contrast MR imaging at 3 tesla.
Oliver Thilmann, Elna-Marie Larsson, Isabella Björkman-Burtscher, Freddy Ståhlberg, Ronnie Wirestam
(2004) Magnetic Resonance Imaging, 22 p.929-935
Artikel i vetenskaplig tidskriftPerfusion assessment with bolus differentiation : a technique applicable to hyperpolarized tracers
Edvin Johansson, L E Olsson, S Månsson, J S Petersson, K Golman, et al.
(2004) Magnetic Resonance in Medicine, 52 p.1043-51
Artikel i vetenskaplig tidskriftMedical physics e-learning training materials. Information Technology Applications in Biomedicine
S Tabakov, VC Roberts, Bo-Anders Jönsson, Michael Ljungberg, CA Lewis, et al.
(2003) 4th International IEEE EMBS Special Topic Conference on Information Technology Applications in Biomedicine, 2003. , p.94-97
Konferenspaper i proceedingVisualisation of displacement-distribution parameters in q-space imaging
Jimmy Lätt, Sara Brockstedt, Ronnie Wirestam, Elna-Marie Larsson, Freddy Ståhlberg
(2003) Proceedings of the International Society for Magnetic Resonance in Medicine , p.590
Konferenspaper i proceedingCombined diffusion weighting and CSF suppression in functional MRI.
Linda Knutsson, Max Bolling, Ronnie Wirestam, Stig Holtås, Freddy Ståhlberg
(2002) NMR in Biomedicine, 15 p.235-240
Artikel i vetenskaplig tidskriftPerfusion-related parameters in intravoxel incoherent motion MR imaging compared with CBV and CBF measured by dynamic susceptibility-contrast MR technique
Ronnie Wirestam, M Borg, Sara Brockstedt, Arne Lindgren, Stig Holtås, et al.
(2001) Acta Radiologica, 42 p.123-128
Artikel i vetenskaplig tidskriftDiffusion- and perfusion-weighted MRI in therapeutic neurointerventional procedures
Mats Cronqvist, Birgitta Ramgren, Bo Geijer, Ronnie Wirestam, Lennart Brandt, et al.
(2001) Neuroradiology, 43 p.662-671
Artikel i vetenskaplig tidskriftRegional cerebral blood flow distributions in normal volunteers: dynamic susceptibility contrast MRI compared with 99mTc-HMPAO SPECT
Ronnie Wirestam, Erik Ryding, Arne Lindgren, Bo Geijer, Leif Ostergaard, et al.
(2000) Journal of Computer Assisted Tomography, 24 p.526-530
Artikel i vetenskaplig tidskriftAssessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques
Ronnie Wirestam, Linda Knutsson, Leif Ostergaard, Max Bolling, Juha-Petri Aunola, et al.
(2000) Magnetic Resonance in Medicine, 43 p.691-700
Artikel i vetenskaplig tidskriftAbsolute cerebral blood flow measured by dynamic susceptibility contrast MRI: a direct comparison with Xe-133 SPECT
Ronnie Wirestam, Erik Ryding, Arne Lindgren, Bo Geijer, Stig Holtås, et al.
(2000) Magma, 11 p.96-103
Artikel i vetenskaplig tidskriftSimplified treatment planning for interstitial laser thermotherapy by disregarding light transport: A numerical study
Johan Olsrud, Ronnie Wirestam, Bertil R Persson, Karl-Göran Tranberg
(1999) Lasers in Surgery and Medicine, 25 p.304-314
Artikel i vetenskaplig tidskriftTriggering in quantitative diffusion imaging with single-shot EPI
Sara Brockstedt, M Borg, Bo Geijer, Ronnie Wirestam, C Thomsen, et al.
(1999) Acta Radiologica, 40 p.263-269
Artikel i vetenskaplig tidskriftFinite element analysis for simplified thermal dose planning in interstitial laser thermotherapy
Johan Olsrud, Ronnie Wirestam, Bertil R.R. Persson, Karl Goran Tranberg
(1999) Proceedings of SPIE - The International Society for Optical Engineering, 3565 p.24-29
Förord till konferenspublikationSingle-shot diffusion-weighted echo-planar imaging of normal and cirrhotic livers using a phased-array multicoil.
F. Ståhlberg, S. Brockstedt, C. Thomsen, R. Wirestam
(1999) Acta radiologica (Stockholm, Sweden : 1987), 40 p.339
Debate/Note/EditorialQuantitative diffusion coefficient maps using fast spin-echo MRI
Sara Brockstedt, C Thomsen, Ronnie Wirestam, Stig Holtås, Freddy Ståhlberg
(1998) Magnetic Resonance Imaging, 16 p.877-886
Artikel i vetenskaplig tidskriftMRI thermometry in phantoms by use of the proton resonance frequency shift method: application to interstitial laser thermotherapy
Johan Olsrud, Ronnie Wirestam, Sara Brockstedt, Annika M K Nilsson, Karl-Göran Tranberg, et al.
(1998) Physics in Medicine and Biology, 43 p.2597-2613
Artikel i vetenskaplig tidskriftNuclear magnetic resonance and microcirculation: The influence of pulsatile brain-tissue motion on measurements of intravoxel incoherent motion and assessment of haemodynamics using exo- and endogenous tracers
Ronnie Wirestam
(1997)
Doktorsavhandling (sammanläggning)Quantification of low-velocity motion using a navigator-echo supported MR velocity-mapping technique: application to intracranial dynamics in volunteers and patients with brain tumours
Ronnie Wirestam, Leif Salford, C Thomsen, Sara Brockstedt, B R Persson, et al.
(1997) Magnetic Resonance Imaging, 15 p.1-11
Artikel i vetenskaplig tidskriftThe perfusion fraction in volunteers and in patients with ischaemic stroke
Ronnie Wirestam, Sara Brockstedt, Arne Lindgren, Bo Geijer, C Thomsen, et al.
(1997) Acta Radiologica, 38 p.961-964
Artikel i vetenskaplig tidskriftTheoretical and experimental evaluation of phase-dispersion effects caused by brain motion in diffusion and perfusion MR imaging
Ronnie Wirestam, Dan Greitz, Carsten Thomsen, Sara Brockstedt, Magnus B. E. Olsson, et al.
(1996) Journal of Magnetic Resonance Imaging, 6 p.348-355
Artikel i vetenskaplig tidskriftA computer simulation program for MR imaging: Application to RF and static magnetic field imperfections
Magnus B E Olsson, Ronnie Wirestam, Bertil R Persson
(1995) Magnetic Resonance in Medicine, 34 p.612-617
Artikel i vetenskaplig tidskriftDeuterium MR spectroscopy at 4.7 T: Quantification of tumour and subcutaneous tissue blood flow in animal models
Ronnie Wirestam, Vibeke Andrée Larsen, Max Stubgaard, Carsten Thomsen, Barbro Vikhoff, et al.
(1995) Acta Radiologica, 36 p.85-91
Artikel i vetenskaplig tidskriftUse of an enhanced gradient system for diffusion MR imaging with motion-artifact reduction
Sara Brockstedt, C Thomsen, Ronnie Wirestam, J De Poorter, C De Wagter, et al.
(1995) Acta Radiologica, 36 p.662-670
Artikel i vetenskaplig tidskriftPulsatile brain movement and associated hydrodynamics studied by magnetic resonance phase imaging: The Monro-Kellie doctrine revisited
Dan Greitz, Ronnie Wirestam, Anders Franck, Bo Nordell, Carsten Thomsen, et al.
(1992) Neuroradiology, 34 p.370-380
Artikel i vetenskaplig tidskriftEvaluation of a restricted-volume technique for T1 measurements in the vicinity of object interfaces
Ronnie Wirestam, Freddy Ståhlberg, Elna-Marie Larsson, J O Christoffersson, Stig Holtås
(1991) Acta Radiologica, 32 p.436-437
Artikel i vetenskaplig tidskrift