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19 results on '"Caccia B"'

7. The TOP-IMPLART project

Author

Ronsivalle, C., Carpanese, M., Marino, C., Messina, G., Picardi, L., Sandri, S., Basile, E., Caccia, B., Castelluccio, D. M., Cisbani, E., Frullani, S., Ghio, F., Macellari, V., Benassi, M., D’Andrea, M., and Strigari, L.

Published
2011
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8. THE NATIONAL RADON ARCHIVE AS A USEFUL TOOL FOR DEVELOPING AND UPDATING THE NATIONAL RADON ACTION PLAN.

Author

Bochicchio, F., Antignani, S., Carpentieri, C., Ampollini, M., Caccia, B., Pozzi, S., and Venoso, G.

Subjects
RADIATION protection, HEALTH risk assessment, BACKGROUND radiation, RADIATION dosimetry
Abstract

International recommendations and regulations require developing of National Radon Action Plans (NRAPs) to effectively manage the protection of workers and population from radon exposure. In Italy, a NRAP was published in 2002 and several activities have been carried out in this framework. Information and data regarding these and previous activities have been collected in a National Radon Archive (NRA). Activities carried out by institutionally involved institutes and agencies include several national and regional surveys, involving more than 50 000 indoor environments (dwellings, schools and workplaces), and remedial actions performed in ~350 buildings, largely in schools. Data collected in the NRA allowed also to estimate that lung cancer deaths attributable to radon exposure in Italy are ~3400 per year. On-going developments of the Italian NRA finalized to effectively use it as tool for developing, monitoring and updating the NRAP are also described. [ABSTRACT FROM AUTHOR]

Published
2017
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9. Monte Carlo as a tool to evaluate the effect of different lung densities on radiotherapy dose distribution.

Author

Caccia, B., Andenna, C., Iaccarino, G., Landoni, V., Soriani, A., Occhigrossi, A., Esposito, A., Petetti, E., Valentini, S., and Strigari, L.

Subjects
MONTE Carlo method, RADIOTHERAPY, RADIATION doses, IRRADIATION, IMAGING phantoms
Abstract

This study aims at evaluating the effects of different lung densities on dose distribution after irradiation at different field sizes, by comparing experimental measurements, GEANT4 Monte Carlo (MC) simulations and two TPS calculation algorithms on ad hoc phantoms. Irradiations were performed with a Varian Clinac 2100 C/D with a nominal energy of 6 MV. Dosimetric experimental measurements were obtained with radiochromic films. A model based on GEANT4 MC code was developed to simulate both the accelerator and the phantoms. Results of dose distribution show an acceptable agreement between MC simulations and experimental measurements, both in the tumour-equivalent region and in the normal tissue-equivalent ones. On the opposite, results vary among the TPS algorithms, especially in regions of lung-equivalent material at low density, but also at the interface between lung- and tumour-equivalent materials. [ABSTRACT FROM AUTHOR]

Published
2014
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