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Experimental dosimetry in conformal breast teletherapy compared with the planning system
Luciana Batista Nogueira1, Hugo Leonardo Lemos Silva2, Tarcísio Passos Ribeiro de Campos3
1Anatomy and Imaging Department, Federal University of Minas Gerais, Belo Horizonte, Brazil.
Abstract:
The objective of this study was to compare and analyse the absorbed dose profiles from the conformal radiotherapy planning and experimental dosimetry taken in a breast anthropomorphic and anthropometric phantom. Conformal radiotherapy planning was elaborated in the Treatment Planning System (TPS). EBT2 Gafchromic radiochromic films were applied as dosimeters, positioned internally and superficially in the breast phantom. The standard radiation protocol was applied in the breast phantom. The films were digitalised, and their responses were analysed in RGB. The optical densities were processed, reproducing the spatial dose distribution.
