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- Oscar Jalnefjord
Oscar Jalnefjord
Universitetslektor, biträdande
Avd för medicinsk strålningsvetenskapOm Oscar Jalnefjord
Oscar Jalnefjord är docent vid Avdelningen för Medicinsk Strålningsvetenskap vid Göteborgs Universitet och översjukhusfysiker vid Verksamheten för Medicinsk Teknik och Fysik vid Sahlgrenska Universitetssjukhuset. Han disputerade inom avbildning med magnetkamera (MRI) 2018 och har sedan dess kombinerat kliniskt arbete med forskning fokuserad på framtagning av nya MRI-metoder för karaktärisering av mikrovaskulatur och mikrostruktur i tumörer.
Utvalda publikationer
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Modeling the Intermediate Flow Regime in Flow-Compensated Intravoxel Incoherent Motion MRI L. Rosenqvist, M. Montelius, I. M Björkman-Burtscher, E. Petersson, M. Ljungberg, O. Jalnefjord. Magnetic Resonance in Medicine 2026; 95(6):3476-3487
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Towards Clinical Translation of Intravoxel Incoherent Motion MRI: Acquisition and Analysis Consensus Recommendations E. Sigmund, S. Rauh, M. Iima, C. Federau, D. Hernando, O. Jalnefjord, J. Jansen, J. Jasse, N. Jerome, M. Kaandorp, S. Kurugol, F. Laun, M. Liu, A. Ljimani, T. Niendorf, D. Reiter, M. Shazeeb, A. Shukla-Dave, J. Stabinska, A. Wetscherek, P. While, D. Wu, D. Le Bihan, O. Gurney-Champion. Journal of Magnetic Resonance Imaging 2026; 63(6):1782-1801
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Nyquist ghost elimination for diffusion MRI by dual-polarity readout at low b-values O. Jalnefjord, N. Geades, G. Gilbert, I. Björkman-Burtscher, M. Ljungberg. Biomedical Physics and Engineering Express 2025 Jan 21;11(2)
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Signal drift in diffusion MRI of the brain: effects on intravoxel incoherent motion parameter estimates O. Jalnefjord, L. Rosenqvist, A. Warsame, I. Björkman-Burtscher. Magnetic Resonance Materials in Physics, Biology and Medicine 2024; 37(6):1005-1019
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Comparison of methods for intravoxel incoherent motion parameter estimation in the brain from flow-compensated and non-flow-compensated diffusion-encoded data O. Jalnefjord, I. Björkman-Burtscher. Magnetic Resonance in Medicine 2024; 92(1):303-318
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Optimization of b‐value schemes for estimation of the diffusion coefficient and the perfusion fraction with segmented intravoxel incoherent motion model fitting O. Jalnefjord, M. Montelius, G. Starck, M. Ljungberg. Magnetic Resonance in Medicine 2019; 82(4):1541-1552
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Comparison of methods for estimation of the intravoxel incoherent motion (IVIM) diffusion coefficient (D) and perfusion fraction (f) O. Jalnefjord, M. Andersson, M. Montelius, G. Starck, A-K. Elf, V. Johansson, J. Svensson, M. Ljungberg. Magnetic Resonance Materials in Physics, Biology and Medicine 2018; 31(6):715-723
Samtliga publikationer på PubMed
Profil på andra hemsidor
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Effects of echo time and modeling of compartmental T2 on VERDICT parameter estimation in brain
tumors
Lukas Lundholm, Oscar Jalnefjord, Mikael Montelius, Mats Laesser, Thomas Olsson, Alba Corell, Asgeir Jakola, Isabella Björkman-Burtscher, Maria Ljungberg
Magnetic Resonance Materials in Physics Biology and Medicine - 2026 -
Towards Clinical Translation of Intravoxel Incoherent Motion MRI: Acquisition and Analysis Consensus
Recommendations
Eric E. Sigmund, Susanne S. Rauh, Mami Iima, Christian Federau, Diego Hernando, Oscar Jalnefjord, Jacobus F. A. Jansen, Jonas Jasse, Neil Peter Jerome, Misha P. T. Kaandorp, Sila Kurugol, Frederik B. Laun, Mira M. Liu, Alexandra Ljimani, Thoralf Niendorf, David A. Reiter, Mohammed Salman Shazeeb, Amita Shukla-dave, Julia Stabinska, Andreas Wetscherek, Peter T. While, Dan Wu, Denis Le Bihan, Oliver J. Gurney-champion
JOURNAL OF MAGNETIC RESONANCE IMAGING - 2026 -
Exploring the Dynamics of Ischemia and Reactive Hyperemia With Skeletal Muscle Blood Oxygen Level Dependent MRI in Patients With Peripheral Artery Disease, Age-Matched Controls, and Young Healthy
Subjects
Jonathan Arvidsson, Stefanie Eriksson, Oscar Jalnefjord, Edvin Johansson, Joakim Nordanstig, Kerstin Lagerstrand
JOURNAL OF MAGNETIC RESONANCE IMAGING - 2026 -
Modeling the Intermediate Flow Regime in Flow-Compensated Intravoxel Incoherent Motion
MRI
Louise Rosenqvist, Mikael Montelius, Isabella Björkman-Burtscher, Elina Petersson, Maria Ljungberg, Oscar Jalnefjord
MAGNETIC RESONANCE IN MEDICINE - 2026 -
Cluster Analysis of VERDICT MRI for Cancer Tissue Characterization in Neuroendocrine
Tumors
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Elin Schoultz, Eva Forssell-Aronsson, Maria Ljungberg
NMR IN BIOMEDICINE - 2025 -
Development of an optimized MRI protocol for a rapid preoperative identification of sentinel lymph nodes using superparamagnetic iron oxide - The Gothenburg fast acquisition sentinel lymph node tracking magnetic resonance imaging protocol
(GO-FAST-MRI)
Pontus Zaar, Nushin Mirzaei, Oscar Jalnefjord, Erica de Coursey, Iva Johansson, Fredrik Wärnberg, Henrik Leonhardt, Roger Olofsson Bagge
EJSO - 2025 -
Nyquist ghost elimination for diffusion MRI by dual-polarity readout at low
b-values
Oscar Jalnefjord, Nicolas Geades, Guillaume Gilbert, Isabella Björkman-Burtscher, Maria Ljungberg
BIOMEDICAL PHYSICS & ENGINEERING EXPRESS - 2025 -
Signal drift in diffusion MRI of the brain: effects on intravoxel incoherent motion parameter
estimates.
Oscar Jalnefjord, Louise Rosenqvist, Amina Warsame, Isabella Björkman-Burtscher
Magma (New York, N.Y.) - 2024 -
Repeat it without me: Crowdsourcing the T1 mapping common ground via the ISMRM reproducibility
challenge
Mathieu Boudreau, Agah Karakuzu, Julien Cohen-Adad, Ecem Bozkurt, Madeline Carr, Marco Castellaro, Luis Concha, Mariya Doneva, Seraina A. Dual, Alex Ensworth, Alexandru Foias, Veronique Fortier, Refaat E. Gabr, Guillaume Gilbert, Carri K. Glide-Hurst, Matthew Grech-Sollars, Siyuan Hu, Oscar Jalnefjord, Jorge Jovicich, Kuebra Keskin, Peter Koken, Anastasia Kolokotronis, Simran Kukran, Nam G. Lee, Ives R. Levesque, Bochao Li, Dan Ma, Burkhard Maedler, Nyasha G. Maforo, Jamie Near, Erick Pasaye, Alonso Ramirez-Manzanares, Ben Statton, Christian Stehning, Stefano Tambalo, Ye Tian, Chenyang Wang, Kilian Weiss, Niloufar Zakariaei, Shuo Zhang, Ziwei Zhao, Nikola Stikov
MAGNETIC RESONANCE IN MEDICINE - 2024 -
Comparison of methods for intravoxel incoherent motion parameter estimation in the brain from flow-compensated and non-flow-compensated diffusion-encoded
data
Oscar Jalnefjord, Isabella Björkman-Burtscher
MAGNETIC RESONANCE IN MEDICINE - 2024 -
Effects of bolus injection duration on perfusion estimates in dynamic CT and dynamic susceptibility contrast
MRI
Jonathan Arvidsson, Göran Starck, Kerstin M Lagerstrand, Doerthe Ziegelitz, Oscar Jalnefjord
Magnetic Resonance Materials in Physics, Biology and Medicine - 2023 -
FIND Stroke Recovery Study (FIND): rationale and protocol for a longitudinal observational cohort study of trajectories of recovery and biomarkers
poststroke
Cecilia Brännmark, Sofia Klasson, Tara M Stanne, Hans Samuelsson, Margit Alt Murphy, Katharina Stibrant Sunnerhagen, N David Åberg, Oscar Jalnefjord, Isabella Björkman-Burtscher, Katarina Jood, Turgut Tatlisumak, Christina Jern
Bmj Open - 2023 -
Evaluation of response in patients with hepatocellular carcinoma treated with intratumoral dendritic cell vaccination using intravoxel incoherent motion (IVIM) MRI and histogram
analysis
M. Andersson, Oscar Jalnefjord, Mikael Montelius, Magnus Rizell, Malin Sternby Eilard, Maria Ljungberg
Acta Radiologica - 2023 -
Editorial for “Application of Multiparametric Magnetic Resonance Imaging to Monitor the Early Antitumor Effect of CuS@GOD Nanoparticles in a 4T1 Breast Cancer Xenograft
Model”
Oscar Jalnefjord
Journal of Magnetic Resonance Imaging - 2022 -
Sentinel lymph node localization and staging with a low-dose of superparamagnetic iron oxide (SPIO) enhanced MRI and magnetometer in patients with cutaneous melanoma of the extremity - The MAGMEN feasibility
study
Nushin Mirzaei, Dimitrios Katsarelias, Pontus Zaar, Oscar Jalnefjord, I. Johansson, Henrik Leonhardt, Fredrik Wärnberg, Roger Olofsson Bagge
European Journal of Surgical Oncology - 2022 -
VERDICT MRI for radiation treatment response assessment in neuroendocrine
tumors.
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Eva Forssell-Aronsson, Maria Ljungberg
NMR in biomedicine - 2022 -
VERDICT MRI for tumor tissue characterization – separating viable tumor from
necrosis
Mikael Montelius, Lukas Lundholm, Oscar Jalnefjord, Eva Forssell-Aronsson, Maria Ljungberg
Annual Meeting ISMRM - 2022 -
VERDICT MRI for estimation of intracellular volume fraction and cell radius: comparison with histology in a mouse model of neuroendocrine
tumor
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Eva Forssell-Aronsson, Maria Ljungberg
Annual Meeting ISMRM - 2022 -
Simulated basis sets for semi-LASER: the impact of including shaped RF pulses and magnetic field
gradients.
Oscar Jalnefjord, Patrick Pettersson, Lukas Lundholm, Maria Ljungberg
Magma (New York, N.Y.) - 2021 -
Repeatability of VERDICT diffusion MRI in a model of human neuroendocrine
tumour
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Eva Forssell-Aronsson, Maria Ljungberg
ISMRM & SMRT Annual Meeting & Exhibition 2021 - 2021 -
Simple improvement of Multi-Dimensional diffusion MRI(MD-dMRI) image quality by double-sampled
EPI
Nicolas Geades, Oscar Jalnefjord, Guillaume Gilbert, Maria Ljungberg
Annual Meeting ISMRM - 2021 -
Time dependence of flow compensated intravoxel incoherent motion in
tumor
Oscar Jalnefjord, Louise Rosenqvist, Mikael Montelius, Lukas Lundholm, Eva Forssell-Aronsson, Maria Ljungberg
Annual Meeting ISMRM - 2021 -
Multiparametric MRI with cluster analysis for early assessment of radiotherapy response in a human small-intestine neuroendocrine tumor
model
Mikael Montelius, Lukas Lundholm, Oscar Jalnefjord, Emman Shubbar, Eva Forssell-Aronsson, Maria Ljungberg
Annual Meeting ISMRM - 2020 -
Hippocampal MR Spectroscopy show chronic metabolic effects following cranial radiotherapy in childhood cancer
survivors
Maria Ljungberg, Erik Fernström, Oscar Jalnefjord, Mikael Montelius, Thomas Björk-Eriksson, Marie Kalm, Marianne Jarfelt
Annual Meeting ISMRM - 2020 -
On the bias introduced by assuming different intravoxel incoherent motion
regimes
Oscar Jalnefjord, Nicolas Geades, Maria Ljungberg
Annual Meeting ISMRM - 2020 -
VERDICT and kurtosis modelling of diffusion MRI for early assessment of radiotherapy
response in a model of human neuroendocrine
tumour
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Emman Shubbar, Eva Forssell-Aronsson, Maria Ljungberg
ISMRM & SMRT Virtual Conference & Exhibition 2020 - 2020 -
Optimization of b-value schemes for estimation of the diffusion coefficient and the perfusion fraction with segmented intravoxel incoherent motion model
fitting
Oscar Jalnefjord, Mikael Montelius, Göran Starck, Maria Ljungberg
Magnetic Resonance in Medicine - 2019 -
Data-driven identification of tumor subregions based on intravoxel incoherent motion reveals association with proliferative
activity
Oscar Jalnefjord, Mikael Montelius, Jonathan Arvidsson, Eva Forssell-Aronsson, Göran Starck, Maria Ljungberg
Magnetic Resonance in Medicine - 2019 -
Multiparametric MR for non-invasive evaluation of tumour tissue histological characteristics after radionuclide
therapy.
Mikael Montelius, Oscar Jalnefjord, Johan Spetz, Ola Nilsson, Eva Forssell-Aronsson, Maria Ljungberg
NMR in biomedicine - 2019 -
Early assessment of external beam radiotherapy response in an animal model of small-intestine
neuroendocrine tumour (GOT1) using VERDICT modelling of diffusion MR
data
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Emman Shubbar, John Swanpalmer, Eva Forssell-Aronsson, Maria Ljungberg
European Society for Magnetic Resonance in Medicine and Biology (ESMRMB) 36th Annual Scientific Meeting - 2019 -
Non-invasive assessment of tumour microstructural environment using VERDICT evaluation of
diffusion magnetic resonance imaging
data
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Emman Shubbar, John Swanpalmer, Eva Forssell-Aronsson, Maria Ljungberg
Gothenburg Cancer Meeting - 2019 -
Cluster-based evaluation of T2* for early and longitudinal tumor radiotherapy response assessment in a small-intestine neuroendocrine tumor
model
Mikael Montelius, Lukas Lundholm, Oscar Jalnefjord, Emman Shubbar, John Swanpalmer, Eva Forssell-Aronsson, Maria Ljungberg
Magnetic Resonance Materials in Physics, Biology and Medicine - 2019 -
Optimization of b-values for estimation of IVIM D and
f
Oscar Jalnefjord, Mikael Montelius, Göran Starck, Maria Ljungberg
Annual Meeting ISMRM 2019 - 2019 -
Optimization of b-values for characterization of glioma by intravoxel incoherent motion
(IVIM)
Oscar Jalnefjord, Jonathan Arvidsson, Isabella Björkman-Burtscher, Maria Ljungberg
Magnetic Resonance Materials in Physics, Biology and Medicine - 2019 -
Cluster analysis of IVIM parameter maps reveals tumor subregions of different proliferative
status
Oscar Jalnefjord, Mikael Montelius, Jonathan Arvidsson, Eva Forssell-Aronsson, Göran Starck, Maria Ljungberg
Annual Meeting ISMRM 2019 - 2019 -
Early assessment of external beam radiotherapy response in an animal model of small-intestine neuroendocrine tumour (GOT1) using VERDICT modelling of diffusion MR
data
Lukas Lundholm, Mikael Montelius, Oscar Jalnefjord, Emman Shubbar, John Swanpalmer, Eva Forssell-Aronsson, Maria Ljungberg
Magnetic Resonance Materials in Physics, Biology and Medicine - 2019 -
Can bolus injection duration explain the difference in CBF estimates from DSC- and
CT-perfusion?
Jonathan Arvidsson, Oscar Jalnefjord, Göran Starck, Kerstin M Lagerstrand
Magnetic Resonance Materials in Physics, Biology and Medicine - 2019 -
Radioembolization Versus Bland Embolization for Hepatic Metastases from Small Intestinal Neuroendocrine Tumors: Short-Term Results of a Randomized Clinical
Trial.
Anna-Karin Elf, Mats Andersson, Olof Henrikson, Oscar Jalnefjord, Maria Ljungberg, Johanna Svensson, Bo Wängberg, Viktor Johanson
World Journal of Surgery - 2018 -
Improved absolute metabolite quantification by localized magnetic resonance spectroscopy
simulations
Oscar Jalnefjord, Patrick Pettersson, Maria Ljungberg
Physica medica. Vol. 52, Suppl. 1, pp. 7–8 - 2018 -
IVIM D and f - Optimal estimation technique and their potential for tissue
differentiation
Oscar Jalnefjord, Mats Andersson, Mikael Montelius, Anna-Karin Elf, Viktor Johanson, Johanna Svensson, Göran Starck, Maria Ljungberg
Joint Annual Meeting ISMRM-ESMRMB, 26-21 June 2018, Paris - 2018 -
Comparison of in vivo MRS and ex vivo HR-MAS MRS for assessment of metabolite content in the GOT1 small intestine neuroendocrine tumour
model
Mikael Montelius, Johan Spetz, Diana Bernin, Oscar Jalnefjord, Maria Ljungberg, Eva Forssell-Aronsson
Joint Annual Meeting ISMRM-ESMRMB, 26-21 June 2018, Paris - 2018 -
Comparison of methods for estimation of the intravoxel incoherent motion (IVIM) diffusion coefficient (D) and perfusion fraction
(f)
Oscar Jalnefjord, Mats Andersson, Mikael Montelius, Göran Starck, Anna-Karin Elf, Viktor Johanson, Johanna Svensson, Maria Ljungberg
Magnetic Resonance Materials in Physics, Biology and Medicine - 2018 -
Regularized k-means clustering for segmentation of brain tissues using hemodynamic features in
DSC-MRI
Jonathan Arvidsson, Oscar Jalnefjord, Fredrik Kahl, Magnus Båth, Göran Starck
International Society for Magnetic Resonance in Medicine, Paris 16 - 21 2018 - 2018 -
Intravoxel incoherent motion modeling - Optimization of acquisition, analysis and tumor tissue
characterization
Oscar Jalnefjord
2018 -
Identification of Potential MR-Derived Biomarkers for Tumor Tissue Response to 177Lu-Octreotate Therapy in an Animal Model of Small Intestine Neuroendocrine
Tumor.
Mikael Montelius, Johan Spetz, Oscar Jalnefjord, Evelin Berger, Ola Nilsson, Maria Ljungberg, Eva Forssell-Aronsson
Translational oncology - 2018 -
Impact of prior distributions and central tendency measures on Bayesian intravoxel incoherent motion model
fitting
Oscar Gustafsson, Mikael Montelius, Göran Starck, Maria Ljungberg
Magnetic Resonance in Medicine - 2018 -
Visual pathway impairment by pituitary adenomas: quantitative diagnostics by diffusion tensor
imaging.
Ylva Lilja, Oscar Gustafsson, Maria Ljungberg, Göran Starck, Bertil Lindblom, Thomas Skoglund, Henrik Bergquist, Karl-Erik Jakobsson, Daniel Nilsson
Journal of neurosurgery - 2017 -
Multiparametric MRI with spatiotemporal evaluation reveals potential therapy response biomarkers for 177Lu-octreotate therapy of mice with human neuroendocrine
tumor
Mikael Montelius, Johan Spetz, Oscar Gustafsson, Evelin Berger, Ola Nilsson, Maria Ljungberg, Eva Forssell-Aronsson
ISMRM 25th Annual Meeting. 22-27 April 2017, Honolulu, Hawaii, USA - 2017 -
Impact of Prior Distribution and Central Tendency Measure on Bayesian IVIM Model
Fitting
Oscar Gustafsson, Mikael Montelius, Göran Starck, Maria Ljungberg
ISMRM 2017, #96, Hawaii - 2017 -
Multiparametric MR for assessment of tissue characteristics of small intestine neuroendocrine tumour evaluated by histological
correlations
Mikael Montelius, Oscar Gustafsson, Johan Spetz, Ola Nilsson, Eva Forssell-Aronsson, Maria Ljungberg
ISMRM 2017, #118, Honolulu, USA - 2017
Fler publikationer
Antalet publikationer som visas på denna sida är begränsat. Besök Göteborgs Universitets publikationsdatabas (GUP) för att söka efter fler publikationer.