Radiation Oncology

Joseph M. Modrick, PhD


Clinical Assistant Professor of Radiation Oncology

Contact Information

Primary Office: 01604-W Pomerantz Family Pavillion
200 Hawkins Dr
Iowa City, IA 52242
Phone: +1319-356-7137

Email: joseph-modrick@uiowa.edu


BS, Physics and Mathematics, University of Northern Iowa
MS, Theoretical Physics, University of Iowa
MS, Medical Physics, University of Wisconsin - Wisconsin
PhD, Medical Physics, University of Wisconsin - Madison

Licensure and Certifications

Therapeutic Medical Physics, American Board of Radiology
Radiation Therapy Physicist, Iowa Department of Public Health

All Publications

Kim Y, Modrick J, Pennington E, Kim Y.  Commissioning of 3D image-base treatment planning system for high-dose-rate brachytherapy of cervical cancer.  Journal of Applied Clinical Medical Physics.  2016. 17(2).

Bockholt N, DeRoo E, Nepple K, Modrick J, Smith M, Fallon B, Hass A, Tracy C, Brown J.  First 100 cases at a low volume prostate brachytherapy institution: learning curve and the importance of continuous quality improvement.  Canadian Journal of Urology.  2013 October. 20(5):6778-6783.

Anderson J, Xia J, Flynn R, Modrick J, Bhatia S, Jacobson G, Kim Y.  High Resolution (3 Tesla) MRI-Guided, Conformal Brachytherapy for Cervical Cancer: Consequences of Different High-Risk CTV Sizes.  Journal of Contemorary Brachytherapy.  2013 June. 5(2):101-109.

Kim Y, Muruganandham M, Modrick J, Bayouth J.  Evaluation of artifacts and distortions of titanium applicators on 3.0-tesla MRI: Feasibility of titanium applicators in MRI-guided brachytherapy for gynecological cancer.  International Journal of Radiation Oncology Biology Physics.  2011 July. 80(3):947-955.

Kim Y, Muruganandham M, Bayouth J, Waldron T, Modrick J, Bhatia S, Jacobson G.  Feasibility of Source Markers for a Titanium Tandem and Ovoids Applicator in MRI Guided Brachytherapy: Implications on Source Reconstruction on 3 Tesla MR Images.  Brachytherapy.  2009. 8(2):121.

Kim Y, Modrick J, Bayouth J, Bhatia S, Jacobson G.  Logistics of Tandem and Ovoids HDR Plan Optimization in MRI-Guided Brachytherapy for Cervical Cancer: Comparisons of Standard, Graphical, and Inverse Optimization.  Brachytherapy.  2009. 8(2):121-122.

Modrick J, Mackie T, Thomadsen B.  Energy Deposition Kernels at Low Photon Energy Including Coherent Scatter on a CD-ROM by American Association of Physicists in Medicine.  2008. 

Kim Y, Huang Y, Bayouth J, Flynn R, Bhatia S, Jacobson G, Modrick J.  Dosimetric Consequences of the Prescription Point H of ABS Recommendation in the Era of MRI Guided Brachytherapy for Cervical Cancer: Based on GYN GEC-ESTRO Recommendations of MRI Guided Brachytherapy.  International Journal of Radiation Oncology Biology Physics.  2008. 72(1):S586-587.

Kim Y, Muruganandham M, Bayouth J, Modrick J, Bhatia S, Jacobson G.  Evaluation of 3 Tesla MR Image Distortion and Artifacts in a Titanium Applicator Presence: Toward 3T MRI Guided HDR Brachytherapy for Cervical Cancer.  Medical Physics.  2008. 35:2970.

Modrick J, Jacobson G, Bayouth J.  Evaluation of Change in the Lumpectomy Cavity during Radiation Therapy by Weekly Ultrasound and by Daily Ultrasound Localization during the Radiation.  International Journal of Radiation Oncology Biology Physics.  2008. 72(1):S197.

Kim Y, Nixon E, Modrick J, Bhatia S, Jacobson G.  HDR Brachytherapy Tandem and Ovoid Titanium Applicator Safety Assessment in 3T MRI.  Brachytherapy.  2008. 7(2):135.

Olson A, Bhatia S, Jacobson G, Modrick J, Kim Y, Siochi R.  High Dose Rate Brachytherapy for Carcinoma of the Uterine Cervix: A Comparison of Fraction Schemes and Development of Acute Toxicity.  Brachytherapy.  2008. 7(2):154.

Kim Y, Modrick J, Bayouth J, Pennington E, Bhatia S, Jacobson G.  Is a Volume-Based HDR Brachytherapy Optimization Algorithm Comparable to a Classic Line-Based One?: Toward Tumor-Volume Adaptive Brachytherapy for Cervical Cancer by 3T MRI Guidance.  Medical Physics.  2008. 35:2727.

Nixon E, Kim Y, Kearney W, Modrick J, Jacobson G.  On the Radiobiologic Implications for Intracavitary HDR Brachytherapy of Cervical Carcinoma: Based on 3D CT Imaging and GEC-ESTRO Recommendations.  Brachytherapy.  2008. 7(2):168.

Nixon E, Modrick J, Jacobson G.  Comparison of ICRU reference point rectal and bladder doses and 3D volumetric parameters for high dose rate (HDR) tandem and ovoid brachytherapy based on 2D versus 3D planning.  Brachytherapy.  2007. 6(2):114.

Liu R, Buatti J, Howes T, Dill J, Modrick J, Meeks S.  Optimal number of beams for stereotactic body radiotherapy of lung and liver lesions.  International Journal of Radiation Oncology Biology Physics.  2006 November. 66(3):906-912.

Modrick J.  Low Energy Photon Dosimetry Using Monte Carlo And Convolution Methods.  2006.  Available from: http://www.medphysics.wisc.edu/medphys_docs/abstracts/modrick.html.bak.

Nixon E, Modrick J, Jacobson G.  Retrospective evaluation of single treatment plan per course vs plan per fraction for high dose rate vaginal cylinders..  Brachytherapy.  2006. 5(2):102.

Zhou C, Inanc F, Modrick J.  Distortions induced by radioactive seeds into interstitial brachytherapy dose distributions.  Medical Physics.  2004 December. 31:3393-3405.

Liu R, Wagner T, Buatti J, Modrick J, Dill J, Meeks S.  Geometrically based optimization for extracranial radiosurgery..  Physics in Medicine and Biology.  2004 March. 49(6):987-996.

Rich N, Dahle C, Modrick J, Buatti J, Weiner G.  Brachyimmunotherapy (combination brachytherapy and immunotherapy) enhances development of a tumor antigen specific CD8 response.  Journal of Immunotherapy.  2004. 27:S38.

Rich N, Dahle C, Modrick J, Buatti J, Weiner G.  Brachytherapy combined with CpG ODN enhances development of a tumor antigen-specific CD8 response.  Blood.  2004. 104:242B.

Modrick J, Mackie T, Thomadsen B.  Generalized convolution/superposition algorithm for brachytherapy dosimetry.  Medical Physics.  2001. 28:1279.

Modrick J, Mackie T, Thomadsen B.  Energy deposition kernels at low photon energy including coherent scatter.  Institute of Electrical & Electronics Engineering.  2000. 2:1078-1081.

Modrick J, Mackie T, Thomadsen B.  Convolution/superposition dosimetry for diagnostic beam spectra.  Medical Physics.  1999. 26:1174-1175.

Modrick J, Thomadsen B, Mackie T.  Photon dose kernels for brachytherapy source convolution dose calculations.  Medical Physics.  1998. 26:1174.

Date Last Modified: 04/12/2016 - 14:29:46