Ryan T Flynn

Ryan T Flynn

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Ryan T Flynn

Ryan T Flynn

Publications by authors named "Ryan T Flynn"

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Dose point kernels for 2,174 radionuclides.

Med Phys 2019 Nov 18;46(11):5284-5293. Epub 2019 Sep 18.

Department of Radiation Oncology, University of Iowa, LL-W PFP, 200 Hawkins Dr., Iowa City, IA, 52242-1089, USA.

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http://dx.doi.org/10.1002/mp.13789DOI Listing
November 2019

Trimmer sequencing time minimization during dynamically collimated proton therapy using a colony of cooperating agents.

Phys Med Biol 2019 Oct 21;64(20):205025. Epub 2019 Oct 21.

Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin 53705. Author to whom correspondence should be addressed.

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http://dx.doi.org/10.1088/1361-6560/ab416dDOI Listing
October 2019

Systematic Review of Intensity-Modulated Brachytherapy (IMBT): Static and Dynamic Techniques.

Int J Radiat Oncol Biol Phys 2019 09 23;105(1):206-221. Epub 2019 Apr 23.

Department of Radiation Oncology, University of Iowa, Iowa City, Iowa. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S03603016193063
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http://dx.doi.org/10.1016/j.ijrobp.2019.04.009DOI Listing
September 2019

Efficient Yb high-dose-rate brachytherapy source production using reactivation.

Med Phys 2019 Jul 27;46(7):2935-2943. Epub 2019 May 27.

Department of Radiation Oncology, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA, 52242, USA.

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https://onlinelibrary.wiley.com/doi/abs/10.1002/mp.13563
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http://dx.doi.org/10.1002/mp.13563DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6905186PMC
July 2019

Technical Note: Optimization of spot and trimmer position during dynamically collimated proton therapy.

Med Phys 2019 Apr 5;46(4):1922-1930. Epub 2019 Mar 5.

Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, 53705, USA.

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http://dx.doi.org/10.1002/mp.13441DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6676890PMC
April 2019

The commissioning and validation of Monaco treatment planning system on an Elekta VersaHD linear accelerator.

J Appl Clin Med Phys 2019 Jan 7;20(1):184-193. Epub 2018 Dec 7.

Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.

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http://doi.wiley.com/10.1002/acm2.12507
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http://dx.doi.org/10.1002/acm2.12507DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6333122PMC
January 2019

Effectiveness of Rotating Shield Brachytherapy for Prostate Cancer Dose Escalation and Urethral Sparing.

Int J Radiat Oncol Biol Phys 2018 12 6;102(5):1543-1550. Epub 2018 Aug 6.

Department of Radiation Oncology, University of Iowa, Iowa City, Iowa.

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http://dx.doi.org/10.1016/j.ijrobp.2018.07.2015DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6363898PMC
December 2018

Multisource Rotating Shield Brachytherapy Apparatus for Prostate Cancer.

Int J Radiat Oncol Biol Phys 2017 11 20;99(3):719-728. Epub 2017 Jun 20.

Department of Radiation Oncology, University of Iowa, Iowa City, Iowa. Electronic address:

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http://dx.doi.org/10.1016/j.ijrobp.2017.06.008DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5738279PMC
November 2017

Fast dose optimization for rotating shield brachytherapy.

Med Phys 2017 Oct 11;44(10):5384-5392. Epub 2017 Sep 11.

Department of Electrical and Computer Engineering, University of Iowa, 4016 Seamans Center, Iowa City, IA, 52242, USA.

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http://dx.doi.org/10.1002/mp.12486DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5943050PMC
October 2017

Implementation of respiratory-gated VMAT on a Versa HD linear accelerator.

J Appl Clin Med Phys 2017 Sep 18;18(5):152-161. Epub 2017 Aug 18.

Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA, 52242, USA.

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http://doi.wiley.com/10.1002/acm2.12160
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http://dx.doi.org/10.1002/acm2.12160DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5875827PMC
September 2017

Multihelix rotating shield brachytherapy for cervical cancer.

Med Phys 2015 Nov;42(11):6579-88

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4933244DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5148119PMC
November 2015

Paddle-based rotating-shield brachytherapy.

Med Phys 2015 Oct;42(10):5992-6003

Department of Electrical and Computer Engineering, University of Iowa, 4016 Seamans Center, Iowa City, Iowa 52242 and Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4930807DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5148177PMC
October 2015

A method to select aperture margin in collimated spot scanning proton therapy.

Phys Med Biol 2015 Apr 17;60(7):N109-19. Epub 2015 Mar 17.

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USA.

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http://dx.doi.org/10.1088/0031-9155/60/7/N109DOI Listing
April 2015

A method for modeling laterally asymmetric proton beamlets resulting from collimation.

Med Phys 2015 Mar;42(3):1321-34

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4907965DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5360162PMC
March 2015

Effects of spot size and spot spacing on lateral penumbra reduction when using a dynamic collimation system for spot scanning proton therapy.

Phys Med Biol 2014 Nov 21;59(22):N187-96. Epub 2014 Oct 21.

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.

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http://stacks.iop.org/0031-9155/59/i=22/a=N187?key=crossref.
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http://dx.doi.org/10.1088/0031-9155/59/22/N187DOI Listing
November 2014

Asymmetric dose-volume optimization with smoothness control for rotating-shield brachytherapy.

Med Phys 2014 Nov;41(11):111709

Department of Electrical and Computer Engineering, University of Iowa, 4016 Seamans Center, Iowa City, Iowa 52242 and Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://doi.wiley.com/10.1118/1.4897617
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http://dx.doi.org/10.1118/1.4897617DOI Listing
November 2014

A dynamic collimation system for penumbra reduction in spot-scanning proton therapy: proof of concept.

Med Phys 2014 Sep;41(9):091701

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4837155DOI Listing
September 2014

Interstitial rotating shield brachytherapy for prostate cancer.

Med Phys 2014 May;41(5):051703

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4870441DOI Listing
May 2014

Target volume changes through high-dose-rate brachytherapy for cervical cancer when evaluated on high resolution (3.0 Tesla) magnetic resonance imaging.

Pract Radiat Oncol 2012 Oct-Dec;2(4):e101-e106. Epub 2012 May 2.

Department of Radiation Oncology, University of Iowa Hospitals and Clinics, Iowa City, Iowa. Electronic address:

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http://dx.doi.org/10.1016/j.prro.2012.03.012DOI Listing
March 2014

Dynamic rotating-shield brachytherapy.

Med Phys 2013 Dec;40(12):121703

Department of Electrical and Computer Engineering, University of Iowa, 4016 Seamans Center, Iowa City, Iowa 52242.

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http://dx.doi.org/10.1118/1.4828778DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3838430PMC
December 2013

Equivalent-quality unflattened photon beam modeling, planning, and delivery.

J Appl Clin Med Phys 2013 Jul 8;14(4):4211. Epub 2013 Jul 8.

Department of Radiation Oncology, Division of Medical Physics, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5714540PMC
http://dx.doi.org/10.1120/jacmp.v14i4.4211DOI Listing
July 2013

Rotating-shield brachytherapy for cervical cancer.

Phys Med Biol 2013 Jun 16;58(11):3931-41. Epub 2013 May 16.

Department of Biomedical Engineering, University of Iowa, 1402 Seamans Center for the Engineering Arts and Sciences, Iowa City, IA 52242, USA.

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http://dx.doi.org/10.1088/0031-9155/58/11/3931DOI Listing
June 2013

Rapid emission angle selection for rotating-shield brachytherapy.

Med Phys 2013 May;40(5):051720

Department of Electrical and Computer Engineering, University of Iowa, 4016 Seamans Center, Iowa City, Iowa 52242, USA.

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http://dx.doi.org/10.1118/1.4802750DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3656952PMC
May 2013

Gadolinium-153 as a brachytherapy isotope.

Phys Med Biol 2013 Feb 23;58(4):957-64. Epub 2013 Jan 23.

Section of Oncology, Department of Radiology, Oncology and Radiation Science, Uppsala University, Uppsala, Sweden.

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http://dx.doi.org/10.1088/0031-9155/58/4/957DOI Listing
February 2013

The energy margin strategy for reducing dose variation due to setup uncertainty in intensity modulated proton therapy (IMPT) delivered with distal edge tracking (DET).

J Appl Clin Med Phys 2012 Sep 6;13(5):3863. Epub 2012 Sep 6.

Department of Radiation Oncology,1 The Cancer Institute of New Jersey, UMDNJ-Robert Wood Johnson Medical School, New Brunswick, NJ 08901,USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4439946PMC
http://dx.doi.org/10.1120/jacmp.v13i5.3863DOI Listing
September 2012

Investigation of probabilistic optimization for tomotherapy.

J Appl Clin Med Phys 2012 Sep 6;13(5):3865. Epub 2012 Sep 6.

Department of Medical Physics, Wisconsin Institutes for Medical Research, University of Wisconsin – Madison, Madison, WI 53705, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3753820PMC
http://dx.doi.org/10.1120/jacmp.v13i5.3865DOI Listing
September 2012

High-dose MVCT image guidance for stereotactic body radiation therapy.

Med Phys 2012 Aug;39(8):4812-9

Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado 80045, USA.

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http://dx.doi.org/10.1118/1.4736416DOI Listing
August 2012

Loss of radiobiological effect of imaging dose in image guided radiotherapy due to prolonged imaging-to-treatment times.

Authors:
Ryan T Flynn

Med Phys 2010 Jun;37(6):2761-9

Department of Radiation Oncology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.

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http://dx.doi.org/10.1118/1.3426307DOI Listing
June 2010

A method for partial volume correction of PET-imaged tumor heterogeneity using expectation maximization with a spatially varying point spread function.

Phys Med Biol 2010 Jan;55(1):221-36

Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, 1111 Highland Ave, Madison, WI 53705, USA.

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http://dx.doi.org/10.1088/0031-9155/55/1/013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2954051PMC
January 2010

Assessment of three dead detector correction methods for cone-beam computed tomography.

Med Phys 2009 Oct;36(10):4569-76

University of Iowa Hospitals and Clinics, Iowa City, Iowa 52245, USA.

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http://dx.doi.org/10.1118/1.3222730DOI Listing
October 2009

On the sensitivity of IMRT dose optimization to the mathematical form of a biological imaging-based prescription function.

Phys Med Biol 2009 Mar 13;54(6):1483-501. Epub 2009 Feb 13.

Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, 1530 MSC, 1300 University Ave, Madison, WI 53706, USA.

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http://dx.doi.org/10.1088/0031-9155/54/6/007DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2858011PMC
March 2009

On the impact of longitudinal breathing motion randomness for tomotherapy delivery.

Phys Med Biol 2008 Sep 18;53(18):4855-73. Epub 2008 Aug 18.

Department of Medical Physics, University of Wisconsin-Madison, 1300 University Avenue, Madison, WI 53706, USA.

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http://dx.doi.org/10.1088/0031-9155/53/18/001DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2610272PMC
September 2008

Intensity-modulated x-ray (IMXT) versus proton (IMPT) therapy for theragnostic hypoxia-based dose painting.

Phys Med Biol 2008 Aug 17;53(15):4153-67. Epub 2008 Jul 17.

Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI 53703, USA.

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http://dx.doi.org/10.1088/0031-9155/53/15/010DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2695924PMC
August 2008

On the making of sharp longitudinal dose profiles with helical tomotherapy.

Phys Med Biol 2007 Nov 16;52(21):6497-510. Epub 2007 Oct 16.

Department of Medical Physics, University of Wisconsin-Madison, Madison, WI 53706, USA.

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http://dx.doi.org/10.1088/0031-9155/52/21/011DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2220158PMC
November 2007