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Medical physics

Medical physics

Results of a 2020 UK survey for the use of online treatment monitoring solutions for IMRT/VMAT

20 Apr 2022 Sponsored by Sun Nuclear Corporation

Available to watch now, Sun Nuclear Corporation explores the results and insights from the survey that outlines options for online treatment monitoring

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Numerous commercial technologies for online treatment monitoring (OTM) in radiotherapy (RT) are currently available including electronic portal imaging device (EPID) in vivo dosimetry (IVD), transmission detectors and log file analysis. Despite this, in the UK, there exists limited guidance on how to implement and commission a system for clinical use or information about the resources required to set up and maintain a service. A Radiotherapy Special Interest Group working party, established by the Institute of Physics and Engineering in Medicine (IPEM) was formed with a view to reassess the current practice for OTM in the UK and an aim to develop consensus guidelines for the implementation of a system.


In this webinar we discuss options for OTM, results and insights from the survey and a discussion on the future guidance ahead.

The speaker, Simon Stevens, has published a paper on this topic in Physics in Medicine & Biology.

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Simon Stevens is deputy chief physicist at the London Clinic Hospital based on Harley Street, UK. Having undertaken his physics degree at Imperial College London in 2005, Simon completed his medical physics Master’s at the University of Surrey with distinction in 2007 and underwent practical training at St George’s University NHS Trust, The Royal Marsden Hospital, and Royal Surrey County Hospital. He completed his state registration as a clinical scientist at St Bartholomew’s hospital, London, in 2011 and has worked as a lecturer in oncology for the Institute of Cancer Research.

Simon’s research interests included flattening filter-free technology, in vivo dosimetry and intra-operative radiotherapy. His publications have featured in Physics in Medicine & Biology and Physica Medical: European Journal of Medical Physics. He has presented his work at both national and international level, including IPEM and ESTRO meetings.

Simon is a member of IPEM and a member of the Institute of Physics. He is currently chair of the IPEM working party for online treatment monitoring in radiotherapy and a member of an IPEM working party for vendor-supplied quality-control equipment.

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