946 results on '"Ibbott, Geoffrey S."'
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2. Simultaneous Motion Monitoring and Truth-In-Delivery Analysis Imaging Framework for MR-guided Radiotherapy
3. Dose Verification of Volumetric Modulated Arc Therapy using One and Two Dimensional Dosimeters
4. The report of Task Group 100 of the AAPM: Application of risk analysis methods to radiation therapy quality management
5. Workflow and Quality Assurance in Altered Fractionation
6. Effect of Brachytherapy With External Beam Radiation Therapy Versus Brachytherapy Alone for Intermediate-Risk Prostate Cancer: NRG Oncology RTOG 0232 Randomized Clinical Trial
7. Investigation of magnetic field effects on the dose–response of 3D dosimeters for magnetic resonance – image guided radiation therapy applications
8. The American College of Radiology and the American Brachytherapy Society practice parameter for the performance of low-dose-rate brachytherapy
9. Spatial Precision in Magnetic Resonance Imaging–Guided Radiation Therapy: The Role of Geometric Distortion
10. 3D Dosimetry in Magnetic Fields
11. Evaluations of secondary cancer risk in spine radiotherapy using 3DCRT, IMRT, and VMAT: A phantom study
12. Quality Assurance of Clinical Trials in the Management of Cancer in the Head and Neck
13. Assessment of image quality and scatter and leakage radiation of an integrated MR‐LINAC system
14. Erratum: “Supplement 2 for the 2004 update of the AAPM Task Group No. 43 Report: Joint recommendations by the AAPM and GEC‐ESTRO” [Med. Phys. Vol 44 (9), e297–e338 (2017)]
15. Workflow and Quality Assurance in Altered Fractionation
16. Development of a Monte Carlo multiple source model for inclusion in a dose calculation auditing tool
17. Supplement 2 for the 2004 update of the AAPM Task Group No. 43 Report: Joint recommendations by the AAPM and GEC-ESTRO
18. Development of a flattening filter free multiple source model for use as an independent, Monte Carlo, dose calculation, quality assurance tool for clinical trials
19. Feasibility study of glass dosimeter for postal dose intercomparison of high-energy proton therapy beams
20. Interstitial Brachytherapy for the Treatment of Locally Recurrent Anorectal Cancer
21. The American Board of Radiology Holman Research Pathway: 10-Year Retrospective Review of the Program and Participant Performance
22. Redesigning Radiotherapy Quality Assurance: Opportunities to Develop an Efficient, Evidence-Based System to Support Clinical Trials—Report of the National Cancer Institute Work Group on Radiotherapy Quality Assurance
23. Post-processing techniques using 3D Slicer for T1-weighted MRI analysis of radiochromic gel dosimeters
24. Past AAPM President: 1999.
25. Safety considerations for IMRT: Executive summary
26. Anisotropy Characterization of I-125 Seed with Attached Encapsulated Cobalt Chloride Complex Contrast Agent Markers for MRI-Based Prostate Brachytherapy
27. Fractionation for Whole Breast Irradiation: An American Society for Radiation Oncology (ASTRO) Evidence-Based Guideline
28. American Society for Radiation Oncology (ASTRO) and American College of Radiology (ACR) Practice Guideline for the Performance of High-Dose-Rate Brachytherapy
29. American Society for Radiation Oncology (ASTRO) and American College of Radiology (ACR) Practice Guideline for the Transperineal Permanent Brachytherapy of Prostate Cancer
30. Performance evaluation of MRI-based PAGAT polymer gel dosimeter in an inhomogeneous phantom using EGSnrc code on a Co-60 machine
31. Dosimetric, radiobiological and secondary cancer risk evaluation in head-and-neck three-dimensional conformal radiation therapy, intensity-modulated radiation therapy, and volumetric modulated arc therapy: A phantom study
32. Gel Dosimetry
33. Patient doses from image-guided radiation therapy
34. Low-density gel dosimeter for measurement of the electron return effect in an MR-linac
35. Design and implementation of an anthropomorphic quality assurance phantom for intensity-modulated radiation therapy for the Radiation Therapy Oncology Group
36. Comparison of Monte Carlo calculations around a Fletcher Suit Delclos ovoid with radiochromic film and normoxic polymer gel dosimetry
37. Comment on “Update of AAPM Task Group No. 43 Report: A revised AAPM protocol for brachytherapy dose calculations” [Med. Phys. 31, 633–674 (2004)[
38. Recommendations of the American Association of Physicists in Medicine regarding the Impact of Implementing the 2004 Task Group 43 Report on Dose Specification for 103Pd and 125I Interstitial Brachytherapy
39. Reference photon dosimetry data and reference phase space data for the 6 MV photon beam from Varian Clinac 2100 series linear accelerators
40. Comparison of electron beam characteristics from multiple accelerators
41. Proposed guidelines for image-based intracavitary brachytherapy for cervical carcinoma: Report from Image-Guided Brachytherapy Working Group
42. Update of AAPM Task Group No. 43 Report: A revised AAPM protocol for brachytherapy dose calculations
43. Procedures for establishing and maintaining consistent air-kerma strength standards for low-energy, photon-emitting brachytherapy sources: Recommendations of the Calibration Laboratory Accreditation Subcommittee of the American Association of Physicists in Medicine
44. Monte Carlo determination of dose rate constant
45. Dose-rate constant for Imagyn 125I brachytherapy source
46. A reanalysis of the Collaborative Ocular Melanoma Study Medium Tumor Trial eye plaque dosimetry
47. Supplement 2 for the 2004 update of the AAPM Task Group No. 43 Report: Joint recommendations by the AAPM and GEC-ESTRO (vol 44, pg e297, 2017)
48. The MD Anderson experience with 3D dosimetry and an MR-linac
49. Dose rate and fractionation dependence of methacrylic acid based polymer gels using optical and MRI techniques
50. International Conference on Advances in Radiation Oncology (ICARO): Outcomes of an IAEA Meeting
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