Publications by authors named "Mika Kapanen"

57Publications

Assessment of MRI-Based Attenuation Correction for MRI-Only Radiotherapy Treatment Planning of the Brain.

Diagnostics (Basel) 2020 May 14;10(5). Epub 2020 May 14.

Department of Physics and Astronomy, University of Turku, Vesilinnantie 5, FI-20014 Turku, Finland.

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http://dx.doi.org/10.3390/diagnostics10050299DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7278007PMC
May 2020

Quality assurance measurements of geometric accuracy for magnetic resonance imaging-based radiotherapy treatment planning.

Phys Med 2019 Jun 9;62:47-52. Epub 2019 May 9.

Department of Medical Physics, Turku University Hospital, Hämeentie 11, P.O. Box 52, FI-20521 Turku, Finland.

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http://dx.doi.org/10.1016/j.ejmp.2019.04.022DOI Listing
June 2019

Monte Carlo investigation on the effect of air gap under bolus in post-mastectomy radiotherapy.

Phys Med 2018 Nov 3;55:82-87. Epub 2018 Nov 3.

Department of Oncology, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland; Department of Medical Physics, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland.

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https://linkinghub.elsevier.com/retrieve/pii/S11201797183131
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http://dx.doi.org/10.1016/j.ejmp.2018.10.023DOI Listing
November 2018

Optimal selection of optimization bolus thickness in planning of VMAT breast radiotherapy treatments.

Med Dosim 2019 Autumn;44(3):266-273. Epub 2018 Oct 30.

Department of Medical Physics, Medical Imaging Centre, Tampere University Hospital, 33521 Tampere, Finland; Department of Oncology, Tampere University Hospital, 33521 Tampere, Finland. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S09583947183010
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http://dx.doi.org/10.1016/j.meddos.2018.10.001DOI Listing
February 2020

Dosimetric effects of anatomical deformations and positioning errors in VMAT breast radiotherapy.

J Appl Clin Med Phys 2018 Sep 5;19(5):506-516. Epub 2018 Jul 5.

Medical Imaging Centre, Department of Physics, Tampere University Hospital, Tampere, Finland.

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http://dx.doi.org/10.1002/acm2.12409DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6123165PMC
September 2018

Contralateral tissue sparing in lymph node-positive breast cancer radiotherapy with VMAT technique.

Med Dosim 2019 Summer;44(2):117-121. Epub 2018 Apr 19.

Medical Imaging Centre, Department of Physics, Tampere University Hospital, Teiskontie 35, Tampere 33520, Finland; Department of Oncology, Tampere University Hospital, Teiskontie 35, Tampere 33520, Finland.

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http://dx.doi.org/10.1016/j.meddos.2018.03.005DOI Listing
December 2019

MRI-only based radiation therapy of prostate cancer: workflow and early clinical experience.

Acta Oncol 2018 Jul 28;57(7):902-907. Epub 2018 Feb 28.

a Cancer Centre, Helsinki University Hospital , Helsinki , Finland.

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http://dx.doi.org/10.1080/0284186X.2018.1445284DOI Listing
July 2018

Natural Killer Cell Viability After Hyperthermia Alone or Combined with Radiotherapy with or without Cytokines.

Anticancer Res 2018 02;38(2):655-663

Department of Oncology, Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland.

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http://dx.doi.org/10.21873/anticanres.12269DOI Listing
February 2018

The robustness of dual isocenter VMAT radiation therapy for bilateral lymph node positive breast cancer.

Phys Med 2017 Dec 13;44:11-17. Epub 2017 Nov 13.

Department of Oncology, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland; Department of Medical Physics, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland.

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http://dx.doi.org/10.1016/j.ejmp.2017.11.006DOI Listing
December 2017

Rebuttal to the Letter to the Editor by Siamak Sabour, MEDDOS-D-17-00095.

Med Dosim 2018 6;43(4):319. Epub 2017 Dec 6.

Teiskontie, 35 Tampere, Finland.

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http://dx.doi.org/10.1016/j.meddos.2017.10.010DOI Listing
July 2019

Intensity-based dual model method for generation of synthetic CT images from standard T2-weighted MR images - Generalized technique for four different MR scanners.

Radiother Oncol 2017 12 30;125(3):411-419. Epub 2017 Oct 30.

Department of Radiation Oncology, Cancer Center, Helsinki University Central Hospital, Finland; Medical Imaging and Radiation Therapy, Kymenlaakso Central Hospital, Kymenlaakso Social and Health Services (Carea), Kotka, Finland; Department of Radiology, Helsinki University Central Hospital, Finland; Department of Nuclear Medicine, Helsinki University Central Hospital, Finland.

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http://dx.doi.org/10.1016/j.radonc.2017.10.011DOI Listing
December 2017

Diffusion-weighted MRI Provides a Useful Biomarker for Evaluation of Radiotherapy Efficacy in Patients with Prostate Cancer.

Anticancer Res 2017 09;37(9):5027-5032

Department of Oncology, Medical Imaging Centre, Tampere University Hospital, Tampere, Finland.

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http://dx.doi.org/10.21873/anticanres.11917DOI Listing
September 2017

Importance of deformable image registration and biological dose summation in planning of radiotherapy retreatments.

Med Dosim 2017 Winter;42(4):296-303. Epub 2017 Jul 21.

Department of Oncology, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland.

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http://dx.doi.org/10.1016/j.meddos.2017.06.006DOI Listing
August 2018

Effects of multiple breath hold reproducibility on treatment localization and dosimetric accuracy in radiotherapy of left-sided breast cancer with voluntary deep inspiration breath hold technique.

Med Dosim 2017 Autumn;42(3):177-184. Epub 2017 May 16.

Department of Oncology, Tampere University Hospital (TAUH), PO Box 2000, FI-33521 Tampere, Finland; Faculty of Medicine and Life Sciences, University of Tampere, PO Box 607, FI-33101 Tampere, Finland.

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http://dx.doi.org/10.1016/j.meddos.2017.02.004DOI Listing
May 2018

Comparison of two Monte Carlo-based codes for small-field dose calculations in external beam radiotherapy.

Acta Oncol 2017 06 2;56(6):891-893. Epub 2017 Mar 2.

a Department of Medical Physics , Medical Imaging Center, Tampere University Hospital , Tampere , Finland.

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http://dx.doi.org/10.1080/0284186X.2017.1292048DOI Listing
June 2017

Measurement and properties of the dose-area product ratio in external small-beam radiotherapy.

Phys Med Biol 2017 Jun 22;62(12):4870-4883. Epub 2017 Mar 22.

Department of Medical Physics, Division of Expert Services, Turku University Hospital, PO Box 52, Turku FI-20521, Finland. Department of Oncology and Radiotherapy, Turku University Hospital, PO Box 52, Turku FI-20521, Finland.

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http://dx.doi.org/10.1088/1361-6560/aa6861DOI Listing
June 2017

A new split arc VMAT technique for lymph node positive breast cancer.

Phys Med 2016 Oct 28. Epub 2016 Oct 28.

Department of Oncology, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland; Department of Medical Physics, Tampere University Hospital, PO BOX 2000, FI-33521 Tampere, Finland. Electronic address:

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http://dx.doi.org/10.1016/j.ejmp.2016.10.012DOI Listing
October 2016

Diffusion-weighted magnetic resonance imaging for evaluation of salivary gland function in head and neck cancer patients treated with intensity-modulated radiotherapy.

Radiother Oncol 2017 02 27;122(2):178-184. Epub 2016 Jul 27.

Helsinki University Central Hospital, Cancer Center, Department of Radiation Oncology, Finland.

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http://dx.doi.org/10.1016/j.radonc.2016.07.008DOI Listing
February 2017

A novel arc geometry setting for pelvic radiotherapy with extensive nodal involvement.

J Appl Clin Med Phys 2016 07 8;17(4):73-85. Epub 2016 Jul 8.

Tampere University Hospital.

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http://dx.doi.org/10.1120/jacmp.v17i4.6028DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5690051PMC
July 2016

Full Monte Carlo and measurement-based overall performance assessment of improved clinical implementation of eMC algorithm with emphasis on lower energy range.

Phys Med 2016 Jun 14;32(6):801-11. Epub 2016 May 14.

Department of Medical Physics, Medical Imaging Center, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland. Electronic address:

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http://dx.doi.org/10.1016/j.ejmp.2016.05.005DOI Listing
June 2016

Restoring Natural Killer Cell Cytotoxicity After Hyperthermia Alone or Combined with Radiotherapy.

Anticancer Res 2016 Feb;36(2):555-63

Department of Oncology, School of Medicine, University of Tampere, Tampere, Finland Department of Oncology, Tampere University Hospital, Tampere, Finland.

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February 2016

Post-irradiation viability and cytotoxicity of natural killer cells isolated from human peripheral blood using different methods.

Int J Radiat Biol 2016 3;92(2):71-9. Epub 2015 Dec 3.

a Department of Oncology , School of Medicine, University of Tampere , Tampere ;

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http://dx.doi.org/10.3109/09553002.2016.1115136DOI Listing
June 2016

Effects of Single and Fractionated Irradiation on Natural Killer Cell Populations: Radiobiological Characteristics of Viability and Cytotoxicity In Vitro.

Anticancer Res 2015 Oct;35(10):5193-200

Department of Oncology, School of Medicine, University of Tampere, Tampere, Finland Department of Oncology, Tampere University Hospital, Tampere, Finland.

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http://ar.iiarjournals.org/content/35/10/5193.full.pdf
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October 2015

Toward a more patient-specific model of post-radiotherapy saliva secretion for head and neck cancer patients.

Acta Oncol 2015 27;54(9):1310-6. Epub 2015 Aug 27.

a HUCH Comprehensive Cancer Center, Department of Radiation Oncology , Helsinki University Central Hospital , Helsinki , Finland.

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http://www.tandfonline.com/doi/full/10.3109/0284186X.2015.10
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http://dx.doi.org/10.3109/0284186X.2015.1067717DOI Listing
August 2016

Converting from CT- to MRI-only-based target definition in radiotherapy of localized prostate cancer: A comparison between two modalities.

Strahlenther Onkol 2015 Nov 14;191(11):862-8. Epub 2015 Jul 14.

Comprehensive Cancer Center, University of Helsinki and Helsinki University Hospital, POB 180, 00029, Helsinki, Finland.

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http://dx.doi.org/10.1007/s00066-015-0868-5DOI Listing
November 2015

Effects of remedies made in patient setup process on residual setup errors and margins in head and neck cancer radiotherapy based on 2D image guidance.

Rep Pract Oncol Radiother 2015 Jul-Aug;20(4):292-8. Epub 2015 Apr 1.

Department of Medical Physics, Tampere University Hospital (TAUH), PO BOX 2000 (Teiskontie 35), FI-33521 Tampere, Finland.

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https://linkinghub.elsevier.com/retrieve/pii/S15071367150003
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http://dx.doi.org/10.1016/j.rpor.2015.03.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4477121PMC
June 2015

Immunological effects of a tumor necrosis factor alpha-armed oncolytic adenovirus.

Hum Gene Ther 2015 Mar 10;26(3):134-44. Epub 2015 Feb 10.

1 Laboratory of Immunovirotherapy, Division of Pharmaceutical Biosciences and Centre for Drug Research, Faculty of Pharmacy, University of Helsinki , 00790 Helsinki, Finland .

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http://dx.doi.org/10.1089/hum.2014.069DOI Listing
March 2015

Feasibility of MRI-based reference images for image-guided radiotherapy of the pelvis with either cone-beam computed tomography or planar localization images.

Acta Oncol 2015 Jun 18;54(6):889-95. Epub 2014 Sep 18.

Clinical Research Institute Helsinki University Central Hospital Ltd , Helsinki , Finland.

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http://dx.doi.org/10.3109/0284186X.2014.958197DOI Listing
June 2015

Influence of MRI-based bone outline definition errors on external radiotherapy dose calculation accuracy in heterogeneous pseudo-CT images of prostate cancer patients.

Acta Oncol 2014 Aug 7;53(8):1100-6. Epub 2014 Jul 7.

Clinical Research Institute Helsinki University Central Hospital Ltd , Helsinki , Finland.

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http://dx.doi.org/10.3109/0284186X.2014.929737DOI Listing
August 2014

A dual model HU conversion from MRI intensity values within and outside of bone segment for MRI-based radiotherapy treatment planning of prostate cancer.

Med Phys 2014 Jan;41(1):011704

Department of Oncology, Helsinki University Central Hospital, POB-180, 00029 HUS, Finland.

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http://dx.doi.org/10.1118/1.4842575DOI Listing
January 2014

Absorbed doses behind bones with MR image-based dose calculations for radiotherapy treatment planning.

Med Phys 2013 Jan;40(1):011701

Helsinki University Central Hospital Ltd, HUS, Finland.

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http://dx.doi.org/10.1118/1.4769407DOI Listing
January 2013

Commissioning of MRI-only based treatment planning procedure for external beam radiotherapy of prostate.

Magn Reson Med 2013 Jul 10;70(1):127-35. Epub 2012 Aug 10.

Department of Oncology, Helsinki University Central Hospital, POB-180, 00029 HUS, Finland.

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http://doi.wiley.com/10.1002/mrm.24459
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http://dx.doi.org/10.1002/mrm.24459DOI Listing
July 2013

T1/T2*-weighted MRI provides clinically relevant pseudo-CT density data for the pelvic bones in MRI-only based radiotherapy treatment planning.

Acta Oncol 2013 Apr 19;52(3):612-8. Epub 2012 Jun 19.

Department of Oncology, Helsinki University Central Hospital, HUS, Finland.

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http://www.tandfonline.com/doi/full/10.3109/0284186X.2012.69
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http://dx.doi.org/10.3109/0284186X.2012.692883DOI Listing
April 2013

How can a cost/benefit ratio be optimized for an output measurement program of external photon radiotherapy beams?

Phys Med Biol 2011 Apr 9;56(7):2119-30. Epub 2011 Mar 9.

Department of Oncology, Helsinki University Central Hospital, POB-180, 00029 HUS, Finland.

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http://stacks.iop.org/0031-9155/56/i=7/a=014?key=crossref.6a
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http://dx.doi.org/10.1088/0031-9155/56/7/014DOI Listing
April 2011

Comparison of liver perfusion parameters studied with conventional extravascular and experimental intravascular CT contrast agents.

Acad Radiol 2007 Aug;14(8):951-8

Helsinki University Central Hospital, Department of Oncology, HUS, Finland.

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http://dx.doi.org/10.1016/j.acra.2007.04.018DOI Listing
August 2007

The influence of output measurement time interval and tolerance on treatment dose deviation in photon external beam radiotherapy.

Phys Med Biol 2006 Oct 14;51(19):4857-67. Epub 2006 Sep 14.

Radiation and Nuclear Safety Authority, STUK, Laippatie 4, 00881 Helsinki, Finland.

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http://stacks.iop.org/0031-9155/51/i=19/a=009?key=crossref.f
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http://dx.doi.org/10.1088/0031-9155/51/19/009DOI Listing
October 2006

Open four-compartment model in the measurement of liver perfusion.

Acad Radiol 2005 Dec;12(12):1542-50

Department of Oncology, Helsinki University Central Hospital, Haartmaninkatu 4, 00029 Helsinki, Finland.

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http://dx.doi.org/10.1016/j.acra.2005.07.001DOI Listing
December 2005

Assessment of vascular physiology of tumorous livers: comparison of two different methods.

Acad Radiol 2003 Sep;10(9):1021-9

Department of Oncology, Helsinki University Central Hospital, BOX 180, Haartmaninkatu 4, 00029 Helsinki, Finland.

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http://dx.doi.org/10.1016/s1076-6332(03)00292-7DOI Listing
September 2003