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      First Experience With Real-Time EPID-Based Delivery Verification During IMRT and VMAT Sessions.

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          Abstract

          Gantry-mounted megavoltage electronic portal imaging devices (EPIDs) have become ubiquitous on linear accelerators. WatchDog is a novel application of EPIDs, in which the image frames acquired during treatment are used to monitor treatment delivery in real time. We report on the preliminary use of WatchDog in a prospective study of cancer patients undergoing intensity modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) and identify the challenges of clinical adoption.

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          Author and article information

          Journal
          Int. J. Radiat. Oncol. Biol. Phys.
          International journal of radiation oncology, biology, physics
          1879-355X
          0360-3016
          Nov 1 2015
          : 93
          : 3
          Affiliations
          [1 ] Faculty of Science and Information Technology, School of Mathematical and Physical Sciences, University of Newcastle, New South Wales, Australia. Electronic address: henry.woodruff@newcastle.edu.au.
          [2 ] Faculty of Engineering and Built Environment, School of Electrical Engineering and Computer Science, University of Newcastle, New South Wales, Australia.
          [3 ] Division of Medical Physics, CancerCare Manitoba, Winnipeg, Manitoba, Canada; Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada; Department of Radiology, University of Manitoba, Winnipeg, Manitoba, Canada.
          [4 ] Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia.
          [5 ] Faculty of Science and Information Technology, School of Mathematical and Physical Sciences, University of Newcastle, New South Wales, Australia; Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia.
          Article
          S0360-3016(15)03062-X
          10.1016/j.ijrobp.2015.07.2271
          26460993
          7c1383c3-23cc-4286-88b6-05597b48bbf5
          Copyright © 2015 Elsevier Inc. All rights reserved.
          History

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