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| http://dx.doi.org/10.1186/s13058-021-01432-9 | DOI Listing |
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Dosimetric study of bevel factors in IOERT with mobile linacs: Towards a unified code of practice.
Phys Med
November 2024
Nuclear Physics Group and IPARCOS, Department of Structure of Matter, Thermal Physics and Electronics, CEI Moncloa, Universidad Complutense de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain.
Background: Dosimetry in intraoperative electron radiotherapy (IOERT) poses distinct challenges, especially with inclined applicators deviating from international protocols. Ion recombination in ionization chambers, electron beam degradation due to scattering in cylindrical applicators, coupled with a lack of a well-defined beam quality surrogate, complicate output factor determination with ionization chambers. Synthetic diamond-based detectors, offer potential solutions; however, their suitability requires further exploration.
View Article and Find Full Text PDFState of the art in breast intraoperative electron radiation therapy after intraoperative ultrasound introduction.
Radiol Oncol
May 2021
Department of Surgery, Azienda Sanitaria Universitaria Giuliano-Isontina Trieste, Trieste Italy.
Background: Breast intraoperative electron radiation therapy (B-IOERT) can be used in clinical practice both as elective irradiation (partial breast irradiation - APBI) in low risk breast cancer patients, and as an anticipated boost. The procedure generally includes the use of a shielding disk between the residual breast and the pectoralis fascia for the protection of the tissues underneath the target volume. The aim of the study was to evaluate the role of intraoperative ultrasound (IOUS) in improving the quality of B-IOERT.
View Article and Find Full Text PDFCorrection to: IOERT versus external beam electrons for boost radiotherapy in stage I/II breast cancer: 10-year results of a phase III randomized study.
Breast Cancer Res
April 2021
Department of Radiotherapy and Radio-Oncology, Paracelsus Medical University Hospital Salzburg, Landeskrankenhaus, Salzburg, Austria.
An inter-comparison between accuracy of EGSnrc and MCNPX Monte Carlo codes in dosimetric characterization of intraoperative electron beam.
Comput Biol Med
January 2021
Medical Physics Department, Iran University of Medical Sciences, Tehran, Iran.
Background: Ionometric dosimetry in IOERT is a complicated process, due to the sophisticated beam setup and the necessity for dedicated protocols for ion chamber response correction. On the other hand, the Monte Carlo (MC) technique can easily overcome such limitations and be considered as an alternative dosimetry approach. This paper presents a comparative analysis of two widely used MC codes, EGSnrc and MCNPX, for intraoperative electron beam dosimetry.
View Article and Find Full Text PDFComparing the performance of some dedicated radioprotection disks in breast intraoperative electron radiotherapy: a Monte Carlo study.
Radiat Environ Biophys
May 2020
Medical Physics Department, Iran University of Medical Sciences, Tehran, Iran.
Radiation-shielding of healthy tissue is mandatory in breast intraoperative electron radiotherapy (IOERT). In this regard, dedicated radioprotection disks have been introduced. The aim of this study was to evaluate and compare the performance of three radioprotection disks widely used for breast IOERT.
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