The voice of medical imaging and clinical oncology

MRgRT

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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Online MR image-guided radiotherapy: MR-linac

The concept of combining magnetic resonance imaging (MRI) technology with a linear accelerator (linac) was first realised in the early 2000s. The subsequent development of the MR-linac has enabled online MR image-guided radiotherapy (MRgRT) and thus online adaptive radiotherapy. Currently there are two clinical systems available with two more in development phase (table 1). The […]

Dr Helen McNair, Trina Herbert, Ian Hanson, Simeon Nill

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

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