Geoffrey S. Ibbott

American Board of Internal Medicine — United States

Physics and Astronomy · Physical Sciences

51h-index12.4kcitations392works4.02yr avg
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Research Topics

Advanced Radiotherapy Techniques(303), Radiation Therapy and Dosimetry(160), Radiation Dose and Imaging(143), Medical Imaging Techniques and Applications(89), Advanced X-ray and CT Imaging(45)

Publications391 total

AAPM task group report 351: Protocol for clinical reference dosimetry in external beam MR‐guided radiotherapy
Medical Physics·2025· 2 cited
AAPM task group report 314: Fault recovery in external beam radiation therapy
Medical Physics·2024· 6 citedOpen Access
3D dosimetry of proton beams and influences on response
Journal of Physics Conference Series·2023Open Access
Effect of Brachytherapy With External Beam Radiation Therapy Versus Brachytherapy Alone for Intermediate-Risk Prostate Cancer: NRG Oncology RTOG 0232 Randomized Clinical Trial
Journal of Clinical Oncology·2023· 34 citedOpen Access
Past AAPM President: 1999
Medical Physics·2023Open Access
The International Organization for Medical Physics – a driving force for the global development of medical physics
Health and Technology·2022· 6 citedOpen Access
Medical physicist certification and training program accreditation
Health and Technology·2022· 11 citedOpen Access
Post-processing techniques using 3D Slicer for T1-weighted MRI analysis of radiochromic gel dosimeters
Journal of Physics Conference Series·2022· 1 citedOpen Access
World Congress on Medical Physics and Biomedical Engineering 2018 (Vol.1)
2021· 9 cited
Patient doses from image-guided radiation therapy
Physica Medica·2020· 10 cited
Low-density gel dosimeter for measurement of the electron return effect in an MR-linac
Physics in Medicine and Biology·2019· 18 cited
Preclinical in vivo Human Tumor Response to Magnetic Resonance Image-Guided Linear Accelerator versus Conventional Linear Accelerator
International Journal of Radiation Oncology*Biology*Physics·2019Open Access
The MD Anderson experience with 3D dosimetry and an MR-linac
Journal of Physics Conference Series·2019· 8 citedOpen Access
Dose rate and fractionation dependence of methacrylic acid based polymer gels using optical and MRI techniques
Journal of Physics Conference Series·2019· 1 citedOpen Access
Polymer gel dosimetry in the presence of a strong magnetic field
Journal of Physics Conference Series·2019· 2 citedOpen Access
Patient Reported Outcomes of NRG Oncology/RTOG 0232: A Phase III Study Comparing Combined External Beam Radiation and Transperineal Interstitial Permanent Brachytherapy with Brachytherapy Alone in Intermediate Risk Prostate Cancer
International Journal of Radiation Oncology*Biology*Physics·2018· 13 citedOpen Access
Dosimetric feasibility of an anthropomorphic three-dimensional PRESAGE<sup>®</sup> dosimeter for verification of single entry hybrid catheter accelerated partial breast brachytherapy
Journal of Radiotherapy in Practice·2018· 2 cited
Quality assurance of volumetric-modulated arc therapy head and neck cancer treatment using PRESAGE<sup>®</sup> dosimeter
Journal of Radiotherapy in Practice·2018· 9 cited
Effect of magnetic field strength on plastic scintillation detector response
Radiation Measurements·2018· 32 cited
World Congress on Medical Physics and Biomedical Engineering 2018
World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany·2018· 21 citedOpen Access
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Frequent Co-authors

Larry A. DeWerd(12), Mark J. Rivard(10), D Followill(10), Jeffrey F. Williamson(9), Ravinder Nath(8), M. Saiful Huq(7), W. F. Hanson(6), Michael G. Mitch(6), Bruce Thomadsen(6), Ali S. Meigooni(6), A Molineu(5), Bert M. Coursey(4), Benedick A. Fraass(4), Jatinder Palta(4), Wayne M. Butler(4), James M. Galvin(4), Seth A. Rosenthal(4), M Maryanski(3), John C. Gore(3), Zhongxing Liao(3)