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Year Number of Results
1989 1
1990 1
1991 1
1992 1
1997 1
1998 2
1999 3
2000 2
2001 1
2002 5
2003 5
2004 3
2005 2
2006 2
2007 2
2009 1
2010 2
2011 3
2012 2
2013 1
2014 3
2015 3
2016 4
2017 6
2018 5
2019 2
2020 2
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60 results
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Using C-Arm X-ray images from marker insertion to confirm the gold fiducial marker identification in an MRI-only prostate radiotherapy workflow.
Gustafsson C, Persson E, Gunnlaugsson A, Olsson LE. Gustafsson C, et al. J Appl Clin Med Phys. 2018 Nov;19(6):185-192. doi: 10.1002/acm2.12478. Epub 2018 Oct 24. J Appl Clin Med Phys. 2018. PMID: 30354010 Free PMC article.
Prostate cancer radiotherapy workflows, solely based on magnetic resonance imaging (MRI), are now in clinical use. In these workflows, intraprostatic gold fiducial markers (GFM) show similar signal behavior as calcifications and bleeding in T2-weighted …
Prostate cancer radiotherapy workflows, solely based on magnetic resonance imaging (MRI), are now in clinical us …
Airspace Dimension Assessment with nanoparticles reflects lung density as quantified by MRI.
Aaltonen HL, Kindvall SS, Jakobsson JK, Löndahl J, Olsson LE, Diaz S, Zackrisson S, Wollmer P. Aaltonen HL, et al. Int J Nanomedicine. 2018 May 21;13:2989-2995. doi: 10.2147/IJN.S160331. eCollection 2018. Int J Nanomedicine. 2018. PMID: 29861632 Free PMC article.
Pulmonary tissue density was measured using magnetic resonance imaging (MRI). RESULTS: The distal airspace radius measured by AiDA correlated with lung tissue density as measured by MRI (ρ = -0.584; p = 0.0086). ...
Pulmonary tissue density was measured using magnetic resonance imaging (MRI). RESULTS: The distal airspace radiu …
Knee dGEMRIC at 7 T: comparison against 1.5 T and evaluation of T1-mapping methods.
Peterson P, Tiderius CJ, Olsson E, Lundin B, Olsson LE, Svensson J. Peterson P, et al. BMC Musculoskelet Disord. 2018 May 16;19(1):149. doi: 10.1186/s12891-018-2071-1. BMC Musculoskelet Disord. 2018. PMID: 29769051 Free PMC article.
BACKGROUND: dGEMRIC (delayed Gadolinium Enhanced Magnetic Resonance Image of Cartilage) is a well-established technique for cartilage quality assessment in osteoarthritis at clinical field strengths. ...
BACKGROUND: dGEMRIC (delayed Gadolinium Enhanced Magnetic Resonance Image of Cartilage) is a well-established technique for ca …
Assessment of dosimetric impact of system specific geometric distortion in an MRI only based radiotherapy workflow for prostate.
Gustafsson C, Nordström F, Persson E, Brynolfsson J, Olsson LE. Gustafsson C, et al. Among authors: olsson le. Phys Med Biol. 2017 Apr 21;62(8):2976-2989. doi: 10.1088/1361-6560/aa5fa2. Epub 2017 Mar 17. Phys Med Biol. 2017. PMID: 28306555
Dosimetric errors in a magnetic resonance imaging (MRI) only radiotherapy workflow may be caused by system specific geometric distortion from MRI. ...A method was developed, in which computer tomography (CT) images were distorted using the MR …
Dosimetric errors in a magnetic resonance imaging (MRI) only radiotherapy workflow may be caused by system speci …
Cone beam CT for QA of synthetic CT in MRI only for prostate patients.
Palmér E, Persson E, Ambolt P, Gustafsson C, Gunnlaugsson A, Olsson LE. Palmér E, et al. J Appl Clin Med Phys. 2018 Nov;19(6):44-52. doi: 10.1002/acm2.12429. Epub 2018 Sep 4. J Appl Clin Med Phys. 2018. PMID: 30182461 Free PMC article.
PURPOSE: Magnetic resonance imaging (MRI)-only radiotherapy is performed without computed tomography (CT). A synthetic CT (sCT) is used for treatment planning. ...CONCLUSION: The results in this study shows that CBCT can be used as a clinically feasibl …
PURPOSE: Magnetic resonance imaging (MRI)-only radiotherapy is performed without computed tomography (CT). A syn …
MR and CT data with multiobserver delineations of organs in the pelvic area-Part of the Gold Atlas project.
Nyholm T, Svensson S, Andersson S, Jonsson J, Sohlin M, Gustafsson C, Kjellén E, Söderström K, Albertsson P, Blomqvist L, Zackrisson B, Olsson LE, Gunnlaugsson A. Nyholm T, et al. Med Phys. 2018 Mar;45(3):1295-1300. doi: 10.1002/mp.12748. Epub 2018 Jan 24. Med Phys. 2018. PMID: 29322528
Repeatability and reproducibility of longitudinal relaxation rate in 12 small-animal MRI systems.
Waterton JC, Hines CDG, Hockings PD, Laitinen I, Ziemian S, Campbell S, Gottschalk M, Green C, Haase M, Hassemer K, Juretschke HP, Koehler S, Lloyd W, Luo Y, Mahmutovic Persson I, O'Connor JPB, Olsson LE, Pindoria K, Schneider JE, Sourbron S, Steinmann D, Strobel K, Tadimalla S, Teh I, Veltien A, Zhang X, Schütz G. Waterton JC, et al. Magn Reson Imaging. 2019 Jun;59:121-129. doi: 10.1016/j.mri.2019.03.008. Epub 2019 Mar 12. Magn Reson Imaging. 2019. PMID: 30872166 Free PMC article.
BACKGROUND: Many translational MR biomarkers derive from measurements of the water proton longitudinal relaxation rate R(1), but evidence for between-site reproducibility of R(1) in small-animal MRI is lacking. ...Mostly, these do not propagate to biologically significant …
BACKGROUND: Many translational MR biomarkers derive from measurements of the water proton longitudinal relaxation rate R(1), but evidence fo …
Technical Note: MRI only prostate radiotherapy planning using the statistical decomposition algorithm.
Siversson C, Nordström F, Nilsson T, Nyholm T, Jonsson J, Gunnlaugsson A, Olsson LE. Siversson C, et al. Med Phys. 2015 Oct;42(10):6090-7. doi: 10.1118/1.4931417. Med Phys. 2015. PMID: 26429284
PURPOSE: In order to enable a magnetic resonance imaging (MRI) only workflow in radiotherapy treatment planning, methods are required for generating Hounsfield unit (HU) maps (i.e., synthetic computed tomography, sCT) for dose calculations, directly fr …
PURPOSE: In order to enable a magnetic resonance imaging (MRI) only workflow in radiotherapy treatment planning, …
Pre-contrast T1 and cartilage thickness as confounding factors in dGEMRIC when evaluating human cartilage adaptation to physical activity.
Tiderius CJ, Hawezi ZK, Olsson LE, Dahlberg LE. Tiderius CJ, et al. BMC Med Imaging. 2019 Dec 31;20(1):1. doi: 10.1186/s12880-019-0399-0. BMC Med Imaging. 2019. PMID: 31892314 Free PMC article.
BACKGROUND: The dGEMRIC (delayed Gadolinium-Enhanced MRI of Cartilage) technique has been used in numerous studies for quantitative in vivo evaluation of the relative glycosaminoglycan (GAG) content in cartilage. ...
BACKGROUND: The dGEMRIC (delayed Gadolinium-Enhanced MRI of Cartilage) technique has been used in numerous studies for quantitative i …
Feasibility assessment of using oxygen-enhanced magnetic resonance imaging for evaluating the effect of pharmacological treatment in COPD.
Morgan AR, Parker GJ, Roberts C, Buonaccorsi GA, Maguire NC, Hubbard Cristinacce PL, Singh D, Vestbo J, Bjermer L, Jögi J, Taib Z, Sarv J, Bruijnzeel PL, Olsson LE, Bondesson E, Nihlén U, McGrath DM, Young SS, Waterton JC, Nordenmark LH. Morgan AR, et al. Eur J Radiol. 2014 Nov;83(11):2093-101. doi: 10.1016/j.ejrad.2014.08.004. Epub 2014 Aug 17. Eur J Radiol. 2014. PMID: 25176287
OBJECTIVES: Oxygen-enhanced MRI (OE-MRI) biomarkers have potential value in assessment of COPD, but need further evaluation before treatment-induced changes can be interpreted. ...An ANCOVA statistical model was used to assess effect size of intervention measurable …
OBJECTIVES: Oxygen-enhanced MRI (OE-MRI) biomarkers have potential value in assessment of COPD, but need further evaluation be …
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