The effect of X-ray scattering by water in the irradiation of cell cultures for the dosimetric characterization of a new prototype of IORT (Intra-Operative Radiation Therapy) device: Monte Carlo simulation and experimental validation

The electron beam emitted backward by plasma focus devices is being considered as a radiation source for Intra-Operative Radiation Therapy (IORT) applications. Radiobiological investigations have been conducted to assess the potential of this new prototype of IORT device. A standard x-ray beam, ISO-...

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Published inHealth physics (1958) Vol. 105; no. 4; p. 374
Main Authors Ceccolini, E, Ferrari, P, Castelluccio, D M, Mostacci, D, Sumini, M
Format Journal Article
LanguageEnglish
Published United States 01.10.2013
Subjects
Cell Culture Techniques - instrumentation
Intraoperative Period
Monte Carlo Method
Radiotherapy - instrumentation
Scattering, Radiation
Thermoluminescent Dosimetry - instrumentation
Water
X-Rays
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Summary:The electron beam emitted backward by plasma focus devices is being considered as a radiation source for Intra-Operative Radiation Therapy (IORT) applications. Radiobiological investigations have been conducted to assess the potential of this new prototype of IORT device. A standard x-ray beam, ISO-H60, was used for comparison, irradiating cell cultures in a holder filled with an aqueous solution. The influence of scattering by the culture water and by the walls of the holder was investigated to determine their influence on the dose delivered to the cell culture. MCNPX simulations were run and experimental measurements conducted. The effect of scattering by the holder was found to be negligible; scattering by the culture water was determined to give an increase in dose of the order of 10%.
ISSN:1538-5159
DOI:10.1097/HP.0b013e318295733f