Volume 61, Issue 3 pp. 394-401
Radiation Oncology—Original Article

Survey of image-guided radiotherapy use in Australia

Vikneswary Batumalai

Corresponding Author

Vikneswary Batumalai

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

Correspondence

Ms. Vikneswary Batumalai, Liverpool Cancer Therapy Centre, Locked Bag 7103, Liverpool BC, Sydney, NSW 1871, Australia.

Email: [email protected]

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Lois Charlotte Holloway

Lois Charlotte Holloway

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

Centre for Medical Radiation Physics, University of Wollongong, Wollongong, New South Wales, Australia

Institute of Medical Physics, School of Physics, University of Sydney, Sydney, New South Wales, Australia

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Shivani Kumar

Shivani Kumar

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

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Kylie Dundas

Kylie Dundas

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

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Michael Geoffrey Jameson

Michael Geoffrey Jameson

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

Centre for Medical Radiation Physics, University of Wollongong, Wollongong, New South Wales, Australia

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Shalini Kavita Vinod

Shalini Kavita Vinod

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

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Geoff P Delaney

Geoff P Delaney

Liverpool and Macarthur Cancer Therapy Centres, Sydney, New South Wales, Australia

Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia

South Western Clinical School, University of New South Wales, Sydney, New South Wales, Australia

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First published: 09 November 2016
Citations: 29
V Batumalai MHlthSc; LC Holloway PhD; S Kumar MPH; K Dundas MAppSc (MRS); MG Jameson PhD; SK Vinod MBBS, FRANZCR, MD; GP Delaney MBBS, FRANZCR, MD, PhD.
Conflict of interest: None.

Abstract

Introduction

This study aimed to evaluate the current use of imaging technologies for planning and delivery of radiotherapy (RT) in Australia.

Methods

An online survey was emailed to all Australian RT centres in August 2015. The survey inquired about imaging practices during planning and treatment delivery processes. Participants were asked about the types of image-guided RT (IGRT) technologies and the disease sites they were used for, reasons for implementation, frequency of imaging and future plans for IGRT use in their department.

Results

The survey was completed by 71% of Australian RT centres. All respondents had access to computed tomography (CT) simulators and regularly co-registered the following scans to the RT: diagnostic CT (50%), diagnostic magnetic resonance imaging (MRI) (95%), planning MRI (34%), planning positron emission tomography (PET) (26%) and diagnostic PET (97%) to aid in tumour delineation. The main reason for in-room IGRT implementation was the use of highly conformal techniques, while the most common reason for under-utilisation was lack of equipment capability. The most commonly used IGRT modalities were kilovoltage (kV) cone-beam CT (CBCT) (97%), kV electronic portal image (EPI) (89%) and megavoltage (MV) EPI (75%). Overall, participants planned to increase IGRT use in planning (33%) and treatment delivery (36%).

Conclusions

IGRT is widely used among Australian RT centres. On the basis of future plans of respondents, the installation of new imaging modalities is expected to increase for both planning and treatment.

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