Analysis of Commissioning Parameters and its Validation of O-Ring Gantry Based Medical Linear Accelerator HalcyonTM for Improved Radiotherapy Technique

Document Type : Original Paper

Authors

1 Graphic Era University, Dehradun, Uttarakhand, India 248002 2. Department of Radiation Oncology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India 249203

2 Graphic Era University, Dehradun, Uttarakhand, India 248002

3 Sarvodaya Hospital & Medical Research Centre, Faridabad (Delhi/NCR), India 121006

4 Department of Radiation Oncology, Gandhi Medical College , Bhopal-462001 (M.P.), India

5 Department of Radiation Oncology, All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, India 249203

6 Chirayu Cancer Hospital Radiotherapy Depatment Chirayu Medical College Hospital Bhopal Near Bairagarh

10.22038/ijmp.2023.69197.2215

Abstract

Introduction: Popularly teletherapy (telecobalt/LA) equipment are based on C-arm gantry system. Recently, a fast O-ring gantry system introduced medical linear accelerator (LA) to smoothen the workflow of treatment of cancer patient in view of increasing trend of number of cancer cases over the past few years. The aim of this study was to analyse the commissioning parameters and validation of the O-ring gantry based LA for improved radiotherapy techniques.



Material and methods: Three-dimensional (3D) radiation field analyser (RFA) was used for commissioning of HalcyonTM LA. It was used for measuring percent depth dose (PDD), profiles, and output factors.



Results: Validation of TPS data performed by comparing with our measured data. Plans as per TG-119 protocol showed good agreement between treatment planning systems (TPS) calculated and measured dose. For patient specific QA plans showed good agreement with gamma evaluation criteria.



Conclusions: Commissioning and validation of O-ring gantry system HalcyonTM LA was performed successfully.

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Iranian Journal of Medical Physics

Articles in Press, Accepted Manuscript
Available Online from 13 March 2023

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History

  • Receive Date: 26 November 2022
  • Revise Date: 03 March 2023
  • Accept Date: 13 March 2023
  • First Publish Date: 13 March 2023

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