Validation of in-house treatment planning system software for cobalt-60 teletherapy unit at two radiotherapy installations

I. A.S. Mu'Minah, L. O.H.Z. Toresano, W. E. Wibowo, Sugiyantari, Supriyanto

Research output: Contribution to journalConference article

Abstract

DSSuperDose v.1.0 is an in-house treatment planning system (TPS) developed by Medical Physics and Biophysics Laboratory (LFMB) Universitas Indonesia as a treatment planning software for Cobalt-60 teletherapy unit. The main objective of this study was the validation of in-house TPS calculation as an essential part in quality assurance (QA) of radiotherapy. Validation of an in-house TPS was performed with two Cobalt-60 teletherapy units by comparison between in-house TPS and ISIS TPS and by measurements of absorbed dose. Mean dose deviations between in-house TPS and measurement were (1.97 ± 2.42)% for open field, (1.32 ± 1.30)% for tray field, and (2.91 ± 2.36)% for wedge field treatments. In-house TPS provide optimal planning for open and tray beam conditions with depth fewer than 10 cm (≤ 10 cm) and field sizes up to 20×20 cm2, while for wedge beam conditions with field sizes fewer than the physical size of the wedge. Comparison of in-house TPS and ISIS TPS demonstrated a good match of 96%. From the results, it is concluded that DSSuperDose v.1.0 is adequately accurate for treatment planning of radiotherapy.

Original languageEnglish
Article number012029
JournalJournal of Physics: Conference Series
Volume694
Issue number1
DOIs
Publication statusPublished - 24 Mar 2016
Event13th South-East Asian Congress of Medical Physics, SEACOMP 2015 - Yogyakarta, Indonesia
Duration: 10 Dec 201512 Dec 2015

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