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André Ahlgren
André Ahlgren
Department of Medical Radiation Physics, Lund University, Sweden
Подтвержден адрес электронной почты в домене med.lu.se
Название
Процитировано
Процитировано
Год
Quantification of microcirculatory parameters by joint analysis of flow‐compensated and non‐flow‐compensated intravoxel incoherent motion (IVIM) data
A Ahlgren, L Knutsson, R Wirestam, M Nilsson, F Ståhlberg, D Topgaard, ...
NMR in Biomedicine 29 (5), 640-649, 2016
1092016
An open-source framework for analysis of multidimensional diffusion MRI data implemented in MATLAB
M Nilsson, F Szczepankiewicz, B Lampinen, A Ahlgren, ...
Proc Intl Soc Mag Reson Med 26, 5355, 2018
682018
Separating blood and water: Perfusion and free water elimination from diffusion MRI in the human brain
AS Rydhög, F Szczepankiewicz, R Wirestam, A Ahlgren, CF Westin, ...
Neuroimage 156, 423-434, 2017
602017
Reproducibility and repeatability of MRI‐based body composition analysis
M Borga, A Ahlgren, T Romu, P Widholm, O Dahlqvist Leinhard, J West
Magnetic Resonance in Medicine 84 (6), 3146-3156, 2020
482020
Idiopathic normal pressure hydrocephalus: cerebral perfusion measured with pCASL before and repeatedly after CSF removal
J Virhammar, K Laurell, A Ahlgren, KG Cesarini, EM Larsson
Journal of Cerebral Blood Flow & Metabolism 34 (11), 1771-1778, 2014
462014
Arterial spin-labeling perfusion MR imaging demonstrates regional CBF decrease in idiopathic normal pressure hydrocephalus
J Virhammar, K Laurell, A Ahlgren, EM Larsson
American Journal of Neuroradiology 38 (11), 2081-2088, 2017
422017
Dynamic susceptibility contrast MRI with a prebolus contrast agent administration design for improved absolute quantification of perfusion
L Knutsson, E Lindgren, A Ahlgren, MJP Van Osch, KM Bloch, Y Surova, ...
Magnetic resonance in medicine 72 (4), 996-1006, 2014
392014
CEST, ASL, and magnetization transfer contrast: How similar pulse sequences detect different phenomena
L Knutsson, J Xu, A Ahlgren, PCM van Zijl
Magnetic resonance in medicine 80 (4), 1320-1340, 2018
302018
Partial volume correction of brain perfusion estimates using the inherent signal data of time‐resolved arterial spin labeling
A Ahlgren, R Wirestam, ET Petersen, F Ståhlberg, L Knutsson
NMR in Biomedicine 27 (9), 1112-1122, 2014
242014
Estimation of diffusion, perfusion and fractional volumes using a multi-compartment relaxation-compensated intravoxel incoherent motion (IVIM) signal model
A Rydhög, O Pasternak, F Ståhlberg, A Ahlgren, L Knutsson, R Wirestam
European Journal of Radiology Open 6, 198-205, 2019
212019
Automatic brain segmentation using fractional signal modeling of a multiple flip angle, spoiled gradient-recalled echo acquisition
A Ahlgren, R Wirestam, F Ståhlberg, L Knutsson
Magnetic Resonance Materials in Physics, Biology and Medicine 27, 551-565, 2014
172014
A novel approach to measure local cerebral haematocrit using MRI
F Calamante, A Ahlgren, MJ Van Osch, L Knutsson
Journal of Cerebral Blood Flow & Metabolism 36 (4), 768-780, 2016
162016
Reduction of arterial partial volume effects for improved absolute quantification of DSC‐MRI perfusion estimates: Comparison between tail scaling and prebolus administration
L Knutsson, E Lindgren, A Ahlgren, MJP Van Osch, K Markenroth Bloch, ...
Journal of Magnetic Resonance Imaging 41 (4), 903-908, 2015
162015
Absolute quantification of perfusion by dynamic susceptibility contrast MRI using Bookend and VASO steady-state CBV calibration: a comparison with pseudo-continuous ASL
E Lindgren, R Wirestam, K Markenroth Bloch, A Ahlgren, MJP van Osch, ...
Magnetic Resonance Materials in Physics, Biology and Medicine 27, 487-499, 2014
162014
Cerebral perfusion does not increase after shunt surgery for normal pressure hydrocephalus
J Virhammar, A Ahlgren, KG Cesarini, K Laurell, EM Larsson
Journal of Neuroimaging 30 (3), 303-307, 2020
102020
A linear mixed perfusion model for tissue partial volume correction of perfusion estimates in dynamic susceptibility contrast MRI: impact on absolute quantification …
A Ahlgren, R Wirestam, E Lind, F Ståhlberg, L Knutsson
Magnetic resonance in medicine 77 (6), 2203-2214, 2017
102017
Visual assessment of brain perfusion MRI scans in dementia: a pilot study
D Fällmar, J Lilja, V Velickaite, T Danfors, M Lubberink, A Ahlgren, ...
Journal of Neuroimaging 26 (3), 324-330, 2016
102016
Quantitative muscle analysis in FSHD using whole-body fat-referenced MRI: composite scores for longitudinal and cross-sectional analysis
ML Mellion, P Widholm, M Karlsson, A Ahlgren, R Tawil, KR Wagner, ...
Neurology 99 (9), e877-e889, 2022
82022
Improved calculation of the equilibrium magnetization of arterial blood in arterial spin labeling
A Ahlgren, R Wirestam, L Knutsson, ET Petersen
Magnetic resonance in medicine 80 (5), 2223-2231, 2018
72018
Perfusion quantification by model‐free arterial spin labeling using nonlinear stochastic regularization deconvolution
A Ahlgren, R Wirestam, ET Petersen, F Ståhlberg, L Knutsson
Magnetic resonance in medicine 70 (5), 1470-1480, 2013
72013
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