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Towards using a Monolithic Active Pixel Sensor for in vivo beam monitoring of Intensity Modulated Radiotherapy

Research output: Contribution to journalArticle

  • Ryan F Page
  • Natalie Abbott
  • Josh Davies
  • Emma Dyke
  • Heather Randles
  • Jaap J Velthuis
  • Sally Fletcher
  • Stephen Gregory
  • Catherine Hall
  • Annemarie John
  • Henry Lawrence
  • Paul Stevens
  • Richard Hugtenburg
  • Victoria Tunbridge
Original languageEnglish
Pages (from-to)In Press
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
VolumeIn Press
Early online date3 Jun 2013
DOIs
DateE-pub ahead of print - 3 Jun 2013
DatePublished (current) - 2013

Abstract

The use of Intensity Modulated Radiotherapy (IMRT) for cancer treatments is entering wider use.These treatments involve using a complex configuration of field modifying components, known as Multileaf Collimators (MLC), to dynamically shape the beam. A treatment consists of a sequence of irregular shaped fields, which means real time monitoring and verification is essential. In the current framework the treatment plans are verified before the patient is treated, but not during.The aim of our collaboration
is to monitor the treatment being given to the patient. This is achieved by placing a camera system using an ultra-thin Monolithic Active Pixel Sensor (MAPS) upstream of the patient.

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