Works by Ståhlberg, Freddy

Results: 56

13C imaging-a new diagnostic platform.

Published in:

2006

By:

Månsson, Sven;
Johansson, Edvin;
Magnusson, Peter;
Chun-Ming Chai;
Hansson, Georg;
Petersson, J. Stefan;
Ståhlberg, Freddy;
Golman, Klaes;
Månsson, Sven;
Chai, Chun-Ming;
Ståhlberg, Freddy

Publication type:

journal article

Collateral flow in coarctation of the aorta with magnetic resonance velocity mapping: correlation to morphological imaging of collateral vessels.

Published in:

2002

By:

Holmqvist, Catarina;
Ståhlberg, Freddy;
Hanséus, Katarina;
Hochbergs, Peter;
Sandström, Staffan;
Larsson, Elna-Marie;
Laurin, Sven;
Ståhlberg, Freddy;
Hanséus, Katarina;
Sandström, Staffan

Publication type:

journal article

Investigation of cerebrospinal fluid flow in the cerebral aqueduct using high-resolution phase contrast measurements at 7T MRI.

Published in:

2018

By:

Markenroth Bloch, Karin;
Töger, Johannes;
Ståhlberg, Freddy

Publication type:

journal article

Accuracy of four-dimensional phase-contrast velocity mapping for blood flow visualizations: a phantom study.

Published in:

2013

By:

Nilsson, Anders;
Bloch, Karin Markenroth;
Töger, Johannes;
Heiberg, Einar;
Ståhlberg, Freddy

Publication type:

Journal Article

Denoising of complex MRI data by wavelet-domain filtering: Application to high- b-value diffusion-weighted imaging.

Published in:

Magnetic Resonance in Medicine, 2006, v. 56, n. 5, p. 1114, doi. 10.1002/mrm.21036

By:

Wirestam, Ronnie;
Bibic, Adnan;
Lätt, Jimmy;
Brockstedt, Sara;
Ståhlberg, Freddy

Publication type:

Article

Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques.

Published in:

Magnetic Resonance in Medicine, 2000, v. 43, n. 5, p. 691, doi. 10.1002/(SICI)1522-2594(200005)43:5<691::AID-MRM11>3.0.CO;2-B

By:

Wirestam, Ronnie;
Andersson, Linda;
Ostergaard, Leif;
Bolling, Max;
Aunola, Juha-Petri;
Lindgren, Arne;
Geijer, Bo;
Holtås, Stig;
Ståhlberg, Freddy

Publication type:

Article

Noninvasive MRI Thermometry with the Proton Resonance Frequency (PRF) Method: In Vivo Results in Human Muscle.

Published in:

Magnetic Resonance in Medicine, 1995, v. 33, n. 1, p. 74, doi. 10.1002/mrm.1910330111

By:

Poorter, John De;
Wagter, Carlos De;
Deene, Yves De;
Thomsen, Carsten;
Ståhlberg, Freddy;
Achten, Eric

Publication type:

Article

Absolute quantification of cerebral blood flow in normal volunteers: Correlation between Xe-133 SPECT and dynamic susceptibility contrast MRI.

Published in:

Journal of Magnetic Resonance Imaging, 2007, v. 26, n. 4, p. 913, doi. 10.1002/jmri.21093

By:

Knutsson, Linda;
Börjesson, Siv;
Larsson, Elna-Marie;
Risberg, Jarl;
Gustafson, Lars;
Passant, Ulla;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Calculation of cerebral perfusion parameters using regional arterial input functions identified by factor analysis.

Published in:

Journal of Magnetic Resonance Imaging, 2006, v. 23, n. 4, p. 444, doi. 10.1002/jmri.20535

By:

Knutsson, Linda;
Larsson, Elna-Marie;
Thilmann, Oliver;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Comparison of contrast agents with high molarity and with weak protein binding in cerebral perfusion imaging at 3 T.

Published in:

Journal of Magnetic Resonance Imaging, 2005, v. 22, n. 5, p. 597, doi. 10.1002/jmri.20420

By:

Thilmann, Oliver;
Larsson, Elna-Marie;
Björkman-Burtscher, Isabella M.;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Accuracy of segmented MR velocity mapping to measure small vessel pulsatile flow in a phantom simulating cardiac motion.

Published in:

2001

By:

Arheden, Håkan;
Saeed, Maythem;
Törnqvist, Erna;
Lund, Gunnar;
Wendland, Michael F;
Higgins, Charles B;
Ståhlberg, Freddy;
Arheden, H;
Saeed, M;
Törnqvist, E;
Lund, G;
Wendland, M F;
Higgins, C B;
Ståhlberg, F

Publication type:

journal article

MR evaluation ex vivo and in vivo of a covered stent-graft for abdominal aortic aneurysms: ferromagnetism, heating, artifacts, and velocity mapping.

Published in:

2000

By:

Engellau, Lena;
Olsrud, Johan;
Brockstedt, Sara;
Albrechtsson, Ulf;
Norgren, Lars;
Ståhlberg, Freddy;
Larsson, Elna-Marie;
Engellau, L;
Olsrud, J;
Brockstedt, S;
Albrechtsson, U;
Norgren, L;
Ståhlberg, F;
Larsson, E M

Publication type:

journal article

Image artifacts due to a time-varying contrast medium concentration in 3D contrast-enhanced MRA.

Published in:

1999

By:

Svensson, Jonas;
Petersson, J. Stefan;
Ståhlberg, Freddy;
Larsson, Elna-Marie;
Leander, Peter;
Olsson, Lars E.;
Svensson, J;
Petersson, J S;
Ståhlberg, F;
Larsson, E M;
Leander, P;
Olsson, L E

Publication type:

journal article

Magnetic resonance imaging of valvular heart disease.

Published in:

1999

By:

Søndergaard, Lars;
Ståhlberg, Freddy;
Thomsen, Carsten;
Søndergaard, L;
Ståhlberg, F;
Thomsen, C

Publication type:

journal article

Use of k-space segmentation in MR velocity mapping for rapid quantification of CSF flow.

Published in:

1997

By:

Ståhlberg, Freddy;
Nitz, Wolfgang;
Nilsson, Christer;
Holtås, Stig;
Ståhlberg, F;
Nitz, W;
Nilsson, C;
Holtås, S

Publication type:

journal article

Theoretical and experimental evaluation of phase-dispersion effects caused by brain motion in diffusion and perfusion MR imaging.

Published in:

1996

By:

Wirestam, Ronnie;
Greitz, Dan;
Thomsen, Carsten;
Brockstedt, Sara;
Olsson, Magnus B. E.;
Ståhlberg, Freddy;
Wirestam, R;
Greitz, D;
Thomsen, C;
Brockstedt, S;
Olsson, M B;
Stahlberg, F

Publication type:

journal article

Accuracy and precision of MR velocity mapping in measurement of stenotic cross-sectional area, flow rate, and pressure gradient.

Published in:

1993

By:

Søndergaard, Lars;
Ståhlberg, Freddy;
Thomsen, Carsten;
Stensgaard, Anders;
Lindvig, Knud;
Henriksen, Ole;
Søndergaard, L;
Ståhlberg, F;
Thomsen, C;
Stensgaard, A;
Lindvig, K;
Henriksen, O

Publication type:

journal article

Improved receiver coil for upper thoracic spine imaging in a vertical magnetic field.

Published in:

1992

By:

Malmgren, Lars;
Ståhlberg, Freddy;
Holtås, Stig;
Larsson, Elna-Marie;
Persson, Bertil R. R.;
Malmgren, L;
Ståhlberg, F;
Holtås, S;
Larsson, E M;
Persson, B R

Publication type:

journal article

Quantification of normal cerebral oxygen extraction and oxygen metabolism by phase-based MRI susceptometry: evaluation of repeatability using two different imaging protocols.

Published in:

Clinical Physiology & Functional Imaging, 2017, v. 37, n. 2, p. 211, doi. 10.1111/cpf.12288

By:

Kämpe, Robin;
Lind, Emelie;
Ståhlberg, Freddy;
Westen, Danielle;
Knutsson, Linda;
Wirestam, Ronnie

Publication type:

Article

Submaximal adenosine-induced coronary hyperaemia with 12 h caffeine abstinence: implications for clinical adenosine perfusion imaging tests.

Published in:

Clinical Physiology & Functional Imaging, 2015, v. 35, n. 1, p. 49, doi. 10.1111/cpf.12125

By:

Carlsson, Marcus;
Jögi, Jonas;
Bloch, Karin M.;
Hedén, Bo;
Ekelund, Ulf;
Ståhlberg, Freddy;
Arheden, Håkan

Publication type:

Article

Cerebral perfusion information obtained by dynamic contrast-enhanced phase-shift magnetic resonance imaging: comparison with model-free arterial spin labelling.

Published in:

Clinical Physiology & Functional Imaging, 2010, v. 30, n. 5, p. 375, doi. 10.1111/j.1475-097X.2010.00947.x

By:

Wirestam, Ronnie;
Lindgren, Emelie;
van Westen, Danielle;
Bloch, Karin Markenroth;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

Tensor-valued diffusion encoding for diffusional variance decomposition (DIVIDE): Technical feasibility in clinical MRI systems.

Published in:

PLoS ONE, 2019, v. 14, n. 3, p. 1, doi. 10.1371/journal.pone.0214238

By:

Szczepankiewicz, Filip;
Sjölund, Jens;
Ståhlberg, Freddy;
Lätt, Jimmy;
Nilsson, Markus

Publication type:

Article

Assessment of MRI contrast agent concentration by quantitative susceptibility mapping (QSM): application to estimation of cerebral blood volume during steady state.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2017, v. 30, n. 6, p. 555, doi. 10.1007/s10334-017-0637-9

By:

Lind, Emelie;
Knutsson, Linda;
Kämpe, Robin;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

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.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2016, v. 29, n. 6, p. 823, doi. 10.1007/s10334-016-0567-y

By:

Wirestam, Ronnie;
Lind, Emelie;
Ahlgren, André;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

Volumetric velocity measurements in restricted geometries using spiral sampling: a phantom study.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2015, v. 28, n. 2, p. 103, doi. 10.1007/s10334-014-0449-0

By:

Nilsson, Anders;
Revstedt, Johan;
Heiberg, Einar;
Ståhlberg, Freddy;
Bloch, Karin

Publication type:

Article

Automatic brain segmentation using fractional signal modeling of a multiple flip angle, spoiled gradient-recalled echo acquisition.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2014, v. 27, n. 6, p. 551, doi. 10.1007/s10334-014-0439-2

By:

Ahlgren, André;
Wirestam, Ronnie;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

Absolute quantification of perfusion by dynamic susceptibility contrast MRI using Bookend and VASO steady-state CBV calibration: a comparison with pseudo-continuous ASL.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2014, v. 27, n. 6, p. 487, doi. 10.1007/s10334-014-0431-x

By:

Lindgren, Emelie;
Wirestam, Ronnie;
Markenroth Bloch, Karin;
Ahlgren, André;
Osch, Matthias;
Westen, Danielle;
Surova, Yulia;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

Spatial analysis of diffusion tensor tractography statistics along the inferior fronto-occipital fasciculus with application in progressive supranuclear palsy.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2013, v. 26, n. 6, p. 527, doi. 10.1007/s10334-013-0368-5

By:

Mårtensson, Johanna;
Nilsson, Markus;
Ståhlberg, Freddy;
Sundgren, Pia C.;
Nilsson, Christer;
van Westen, Danielle;
Larsson, Elna-Marie;
Lätt, Jimmy

Publication type:

Article

The role of tissue microstructure and water exchange in biophysical modelling of diffusion in white matter.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2013, v. 26, n. 4, p. 345, doi. 10.1007/s10334-013-0371-x

By:

Nilsson, Markus;
Westen, Danielle;
Ståhlberg, Freddy;
Sundgren, Pia;
Lätt, Jimmy

Publication type:

Article

Correlation between arterial blood volume obtained by arterial spin labelling and cerebral blood volume in intracranial tumours.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2011, v. 24, n. 4, p. 211, doi. 10.1007/s10334-011-0255-x

By:

Westen, Danielle;
Petersen, Esben;
Wirestam, Ronnie;
Siemund, Roger;
Bloch, Karin;
Ståhlberg, Freddy;
Björkman-Burtscher, Isabella;
Knutsson, Linda

Publication type:

Article

Dimensionality reduction of fMRI time series data using locally linear embedding.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2010, v. 23, n. 5/6, p. 327, doi. 10.1007/s10334-010-0204-0

By:

Mannfolk, Peter;
Wirestam, Ronnie;
Nilsson, Markus;
Ståhlberg, Freddy;
Olsrud, Johan

Publication type:

Article

Denoising of arterial spin labeling data: wavelet-domain filtering compared with Gaussian smoothing.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2010, v. 23, n. 3, p. 125, doi. 10.1007/s10334-010-0209-8

By:

Bibic, Adnan;
Knutsson, Linda;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Absolute quantification of perfusion using dynamic susceptibility contrast MRI: pitfalls and possibilities.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2010, v. 23, n. 1, p. 1, doi. 10.1007/s10334-009-0190-2

By:

Knutsson, Linda;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Quantification of microcirculatory parameters by joint analysis of flow-compensated and non-flow-compensated intravoxel incoherent motion (IVIM) data.

Published in:

NMR in Biomedicine, 2016, v. 29, n. 5, p. 640, doi. 10.1002/nbm.3505

By:

Ahlgren, André;
Knutsson, Linda;
Wirestam, Ronnie;
Nilsson, Markus;
Ståhlberg, Freddy;
Topgaard, Daniel;
Lasič, Samo

Publication type:

Article

Measurement of vascular water transport in human subjects using time-resolved pulsed arterial spin labelling.

Published in:

NMR in Biomedicine, 2015, v. 28, n. 8, p. 1059, doi. 10.1002/nbm.3344

By:

Bibic, Adnan;
Knutsson, Linda;
Schmidt, Anders;
Henningsson, Erik;
Månsson, Sven;
Abul‐Kasim, Kasim;
Åkeson, Jonas;
Gunther, Matthias;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

Partial volume correction of brain perfusion estimates using the inherent signal data of time-resolved arterial spin labeling.

Published in:

NMR in Biomedicine, 2014, v. 27, n. 9, p. 1112, doi. 10.1002/nbm.3164

By:

Ahlgren, André;
Wirestam, Ronnie;
Petersen, Esben Thade;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

The importance of axonal undulation in diffusion MR measurements: a Monte Carlo simulation study.

Published in:

NMR in Biomedicine, 2012, v. 25, n. 5, p. 795, doi. 10.1002/nbm.1795

By:

Nilsson, Markus;
Lätt, Jimmy;
Ståhlberg, Freddy;
Westen, Danielle;
Hagslätt, Håkan

Publication type:

Article

Combined diffusion weighting and CSF suppression in functional MRI.

Published in:

NMR in Biomedicine, 2002, v. 15, n. 3, p. 235, doi. 10.1002/nbm.767

By:

Andersson, Linda;
Bolling, Max;
Wirestam, Ronnie;
Holtås, Stig;
Ståhlberg, Freddy

Publication type:

Article

<sup>99m</sup>Tc-Labeled Superparamagnetic Iron Oxide Nanoparticles for Multimodality SPECT/MRI of Sentinel Lymph Nodes.

Published in:

Journal of Nuclear Medicine, 2012, v. 53, n. 3, p. 459, doi. 10.2967/jnumed.111.092437

By:

Madru, Renata;
Kjellman, Pontus;
Olsson, Fredrik;
Wingårdh, Karin;
Ingvar, Christian;
Ståhlberg, Freddy;
Olsrud, Johan;
Lätt, Jimmy;
Fredriksson, Sarah;
Knutsson, Linda;
Strand, Sven-Erik

Publication type:

Article

Reduction of arterial partial volume effects for improved absolute quantification of DSC-MRI perfusion estimates: Comparison between tail scaling and prebolus administration.

Published in:

Journal of Magnetic Resonance Imaging, 2015, v. 41, n. 4, p. 903, doi. 10.1002/jmri.24621

By:

Knutsson, Linda;
Lindgren, Emelie;
Ahlgren, André;
van Osch, Matthias J.P.;
Markenroth Bloch, Karin;
Surova, Yulia;
Ståhlberg, Freddy;
van Westen, Danielle;
Wirestam, Ronnie

Publication type:

Article

Regional values of diffusional kurtosis estimates in the healthy brain.

Published in:

2013

By:

Lätt, Jimmy;
Nilsson, Markus;
Wirestam, Ronnie;
Ståhlberg, Freddy;
Karlsson, Nils;
Johansson, Mikael;
Sundgren, Pia C;
van Westen, Danielle

Publication type:

journal article

Regional values of diffusional kurtosis estimates in the healthy brain.

Published in:

Journal of Magnetic Resonance Imaging, 2013, v. 37, n. 3, p. 610, doi. 10.1002/jmri.23857

By:

Lätt, Jimmy;
Nilsson, Markus;
Wirestam, Ronnie;
Ståhlberg, Freddy;
Karlsson, Nils;
Johansson, Mikael;
SundgrEN, Pia C.;
van WestEN, Danielle

Publication type:

Article

Variable velocity encoding in a three-dimensional, three-directional phase contrast sequence: Evaluation in phantom and volunteers.

Published in:

Journal of Magnetic Resonance Imaging, 2012, v. 36, n. 6, p. 1450, doi. 10.1002/jmri.23778

By:

Nilsson, Anders;
Bloch, Karin Markenroth;
Carlsson, Marcus;
Heiberg, Einar;
Ståhlberg, Freddy

Publication type:

Article

Can resting-state functional MRI serve as a complement to task-based mapping of sensorimotor function? A test-retest reliability study in healthy volunteers.

Published in:

Journal of Magnetic Resonance Imaging, 2011, v. 34, n. 3, p. 511, doi. 10.1002/jmri.22654

By:

Mannfolk, Peter;
Nilsson, Markus;
Hansson, Henrik;
Ståhlberg, Freddy;
Fransson, Peter;
Weibull, Andreas;
Svensson, Jonas;
Wirestam, Ronnie;
Olsrud, Johan

Publication type:

Article

Dynamic contrast-enhanced QSM for perfusion imaging: a systematic comparison of ΔR2*- and QSM-based contrast agent concentration time curves in blood and tissue.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2020, v. 33, n. 5, p. 663, doi. 10.1007/s10334-020-00831-x

By:

Lind, Emelie;
Knutsson, Linda;
Ståhlberg, Freddy;
Wirestam, Ronnie

Publication type:

Article

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.

Published in:

Magnetic Resonance in Medicine, 2017, v. 77, n. 6, p. 2203, doi. 10.1002/mrm.26305

By:

Ahlgren, André;
Wirestam, Ronnie;
Lind, Emelie;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article

Optimal experimental design for filter exchange imaging: Apparent exchange rate measurements in the healthy brain and in intracranial tumors.

Published in:

Magnetic Resonance in Medicine, 2017, v. 77, n. 3, p. 1104, doi. 10.1002/mrm.26195

By:

Lampinen, Björn;
Szczepankiewicz, Filip;
Westen, Danielle;
Englund, Elisabet;
C Sundgren, Pia;
Lätt, Jimmy;
Ståhlberg, Freddy;
Nilsson, Markus

Publication type:

Article

Optimal experimental design for filter exchange imaging: Apparent exchange rate measurements in the healthy brain and in intracranial tumors.

Published in:

Magnetic Resonance in Medicine, 2017, v. 77, n. 3, p. C1, doi. 10.1002/mrm.26641

By:

Lampinen, Björn;
Szczepankiewicz, Filip;
Westen, Danielle;
Englund, Elisabet;
C Sundgren, Pia;
Lätt, Jimmy;
Ståhlberg, Freddy;
Nilsson, Markus

Publication type:

Article

Dynamic susceptibility contrast MRI with a prebolus contrast agent administration design for improved absolute quantification of perfusion.

Published in:

Magnetic Resonance in Medicine, 2014, v. 72, n. 4, p. 996, doi. 10.1002/mrm.25006

By:

Knutsson, Linda;
Lindgren, Emelie;
Ahlgren, André;
van Osch, Matthias J.P.;
Bloch, Karin Markenroth;
Surova, Yulia;
Ståhlberg, Freddy;
van Westen, Danielle;
Wirestam, Ronnie

Publication type:

Article

Perfusion quantification by model-free arterial spin labeling using nonlinear stochastic regularization deconvolution.

Published in:

Magnetic Resonance in Medicine, 2013, v. 70, n. 5, p. 1470, doi. 10.1002/mrm.24587

By:

Ahlgren, André;
Wirestam, Ronnie;
Petersen, Esben Thade;
Ståhlberg, Freddy;
Knutsson, Linda

Publication type:

Article