treatment planning

Characterising dose changes due to unplanned gas cavities in MR-guided radiotherapy

MR-guided radiotherapy (MRgRT) is an emerging technology that combines MR imaging with a radiotherapy linac. Due to the improved soft tissue visibility that MRI offers compared with cone beam CT, MRgRT promises more accurate treatments with improved normal tissue sparing for selected treatment sites. With improved visualisation, these systems also offer the potential for online […]

Jane Shortall, Dr Eliana Vasquez Osorio, Dr Alan McWilliam

University of Manchester

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Remote radiotherapy treatment planning: the Beacon Centre experience

“Necessity is the mother of invention” Nowhere is this more true than in the case of rurally-based radiotherapy departments, where the challenges of operating a seamless, high quality and effective service for patients can be thwarted in a heartbeat with the joyous announcement of maternity leave. Even when fully-staffed, such departments must grapple with the […]

Dr Petra Jankowska, Stephen McCormack, Stuart McGrail

Beacon Centre, Musgrove Park Hospital

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Imaging for pelvic radiotherapy

Three dimensional (3D) imaging is key to the successful planning and delivery of pelvic radiotherapy treatment and is integrated into every step of the radiotherapy treatment pathway. Diagnostic and therapeutic imaging technology has evolved in the last decade, increasing the complexity of imaging choices available for target localisation, and introducing soft tissue visualisation into the […]

Ingrid White, Susan Lalondrelle

Institute of Cancer Research and The Royal Marsden NHS Foundation Trust

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The changing roles of electronic portal imaging devices in radiotherapy

Historically, portal films were used in radiotherapy to verify treatment field placement and patient positioning. These films were placed orthogonal to the beam axis behind the patient. The films were exposed using the mega-voltage (MV) energy photons of the treatment beam and were subsequently analysed to ensure that the patient was being treated as planned […]

Dr Vibeke Hansen, Dr Ian Hanson

The Royal Marsden NHS Foundation Trust and The Institute of Cancer Research

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Image guidance in radiotherapy

Imaging has been integral to radiotherapy for decades. However, it has been within the last 20 years that phrases such as ‘image guidance’ have become part of mainstream radiotherapy vocabulary, and the use of all available imaging modalities within radiotherapy more common. So what is meant by ‘image guidance in radiotherapy’? This was one of […]

Dr Ellen Donovan

The Royal Marsden NHS Foundation Trust

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Radiotherapy treatment planning

In radical radiotherapy treatment we aim to accurately deliver a lethal dose of radiation to tumour cells while sparing any surrounding normal tissues. Radiotherapy treatment planning is the process undertaken to determine the most appropriate way to deliver the radiation in order to meet the clinical prescription. Rapid advances in technology and computing, particularly in […]

Hayley James

Ipswich Hospital NHS Trust

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