Design of a new tracking device for on-line dose monitor in ion therapy

28 Jul 2016  ·  Traini Giacomo, Battistoni Giuseppe, Bollella Angela, Collamati Francesco, De Lucia Erika, Faccini Riccardo, Ferroni Fernando, Frallicciardi Paola Maria, Mancini-Terracciano Carlo, Marafini Michela, Mattei Ilaria, Miraglia Federico, Muraro Silvia, Paramatti Riccardo, Piersanti Luca, Pinci Davide, Rucinski Antoni, Russomando Andrea, Sarti Alessio, Sciubba Adalberto, Senzacqua Martina, Solfaroli-Camillocci Elena, Toppi Marco, Voena Cecilia, Patera Vincenzo ·

Charged Particle Therapy is a technique for cancer treatment that exploits hadron beams, mostly protons and carbons. A critical issue is the monitoring of the dose released by the beam to the tumor and to the surrounding tissues... We present the design of a new tracking device for monitoring on-line the dose in ion therapy through the detection of secondary charged particles produced by the beam interactions in the patient tissues. In fact, the charged particle emission shape can be correlated with the spatial dose release and the Bragg peak position. The detector uses the information provided by 12 layers of scintillating fibers followed by a plastic scintillator and a small calorimeter made of a pixelated Lutetium Fine Silicate crystal. Simulations have been performed to evaluate the achievable spatial resolution and a possible application of the device for the monitoring of the dose profile in a real treatment is presented. read more

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Medical Physics Instrumentation and Detectors