Dose calculation accuracy in particle therapy: Comparing carbon ions with protons.

ABSTRACT:

Purpose

This work presents the validation of an analytical pencil beam dose calculation algorithm in a commercial treatment planning system (TPS) for carbon ions by measurements of dose distributions in heterogeneous phantom geometries. Additionally, a comparison study of carbon ions versus protons is performed considering current best solutions in commercial TPS.

Methods

All treatment plans were optimized and calculated using the RayStation TPS (RaySearch, Sweden). The dose distributions calculated with the TPS were compared with measurements using a 24-pinpoint ionization chamber array (T31015, PTW, Germany). Tissue-like inhomogeneities (bone, lung, and soft tissue) were embedded in water, while a target volume of 4 x 4 x 4 cm³ was defined at two different depth

SUBMITTER: Ruangchan S 

PROVIDER: S-EPMC9291072 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature