Abstract
We present the results of measurements made using the Vero4DRT radiation therapy system, which is not yet widely used, to assist technicians in achieving reliable and safe radiotherapy to the patient. We measured percent depth dose, beam profile, and relative scatter factor under water and air conditions. The Vero4DRT system has a 150 × 150-mm fixed secondary collimator. Its multileaf collimator (MLC) design is a single-focus type, with 30 pairs of 5 mm thick leaves at the isocenter, and produces a maximum field size of 150 × 150 mm. Profile measurements were performed using a 0.016-cm3 ionization chamber (PTW31016 pinpoint chamber; PTW, Freiburg GmbH Germany). A brass build-up cap was used for measurements obtained in air conditions. We present a useful measurement dataset for users of the Vero4DRT system.
Highlights
Beamdata commissioning is an important task when delivering radiotherapy doses to patients
We present our measurement results for percent depth dose (PDD), beam profile, and relative scatter factor in water and air conditions for the Vero4DRT system
The current Vero4DRT system supports only the iPlan RT dose treatment-planning system (TPS) (BrainLAB, Feldkirchen, Germany), which is available with pencil-beam (PB) and Monte Carlo (MC) algorithms
Summary
Beamdata commissioning is an important task when delivering radiotherapy doses to patients. The American Association of Physicists in Medicine (AAPM) Task Group 106 reports on phantom and detector setups and measurement techniques to acquire data on beam accuracy [1]. Measurement results may be inaccurate even if beam data are measured according to the reference guide and recommendation files. (2016) Dataset for Beam Commissioning of the Vero4DRT System. Because the TrueBeam (Varian Medical Systems, Palo Alto, CA) and NovalisTx devices have been used widely and investigated at many institutions, useful information is available regarding commissioning of this type of linear accelerator [2] [3]. The reliability of measurement results should be enhanced by comparison with these published data
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
