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[Intraoperative radiotherapy with electrons (IORT). Dosimetry problems, first experience]
L Bianciardi1, V Panichelli, M Benassi
1Laboratorio Fisica Medica e Sistemi Esperti, Istituto Regina Elena, Roma.
La Radiologia Medica
|October 1, 1990
Summary
Preliminary findings on intraoperative radiation therapy (IORT) dosimetry are presented from two cancer centers. Dosimetry was performed using ion chambers, solid-state diodes, and radiographic films for accurate radiation delivery.
Area of Science:
- Medical Physics
- Radiation Oncology
Context:
- Intraoperative radiation therapy (IORT) requires precise dosimetry for effective cancer treatment.
- Two major radiotherapy centers, the Regina Elena National Cancer Institute and S. Cuore Catholic University, participated in this study.
Purpose:
- To present preliminary results of IORT dosimetry conducted at two distinct radiotherapy centers.
- To establish a reliable dosimetry system for IORT by comparing different measurement techniques.
Summary:
- Absolute dosimetry was performed using ENEA and Markus flat ion chambers in a water phantom.
- Relative dosimetry measurements utilized solid-state diodes and radiographic films.
- All relative measurements were calibrated against the established absolute dosimetry system.
Impact:
- Provides crucial data for validating IORT dosimetry protocols.
- Contributes to the standardization of IORT procedures across different institutions.
- Aims to enhance the accuracy and safety of intraoperative radiation therapy for cancer patients.