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The RIDOS-INFN project: an on-line GPU forward planning integrated into a dose delivery system for hadrontherapy with scanning ion beams

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Academic year: 2021

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Section 5: Biofisica e Fisica Medica Title:

The RIDOS-INFN project: an on-line GPU forward planning integrated into a dose delivery system for hadrontherapy with scanning ion beams

Authors:

A. Vignati*,1, V. Monaco1,2, A. Attili1, R. Cirio1,2, F. Marchetto1, G. Russo3, R. Sacchi1,2, M.

Varasteh1,2,S. Giordanengo 1

*vignati@to.infn.it

1 Istituto Nazionale di Fisica Nucleare (INFN), Via Pietro Giuria 1, 10125 Torino, Italy 2 University of Torino, Italy

3 I-see s.r.l. Torino, Italy

RIDOS is an INFN project towards adaptive particle therapy. It evaluates on-line the dose distribution of scanning ion beams to assess intra-fractional target movements and beam uncertainties. A GPU-based forward planning is being developed using Compute Unified Device Architecture (CUDA) and integrated into a dose delivery system, receiving on-line as inputs the measured spot properties, the patient CT, and the respiratory phase in case of 4D-imaging. The delivered and planned doses could be compared on-line (spill by spill or every few seconds) and at the end of the irradiation. The system is being benchmarked against validated algorithms for treatment planning.

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