Image-Guided Radiation Therapy

Image-Guided Radiation Therapy

Physics and technology

B Paul Ravindran


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This book provides the reader with an in-depth knowledge of physics principles and technology of  Image Guided Radiotherapy (IGRT) that is changing the way radiotherapy is practiced.  The book aims to cover from the historical methods of using radiographic films for image guidance to the recent state of the art Magnetic Resonance image guided Radiotherapy (MRgRT) thus providing the reader an historical perspective to the evolution of IGRT technology.  Each chapter provides the physics principles, the technological development and the image guidance workflow and the quality assurance procedures as required. The book is aimed at academics and students of medical physics and radiation oncology as well as the other disciplines that use radiation treatment such as neurosurgery.

Key Features:

  • Details the physics principles of image guidance
  • Contains a discussion on the technology of image guidance systems
  • Offers Clinical commissioning details
  • Quality assurance requirements are included


B Paul Ravindran:

Dr Paul B Ravindran is a retired professor of Radiation Physics of the Christian Medical College (CMC), Vellore, India. He has more than 35 years of teaching experience in medical physics. He has been teaching radiation physics to Radiation Oncology residents, students of master’s program in Medical Physics and Radiotherapy and Imaging technology students at CMC Vellore. He has served as an expert for several missions of the International Atomic Energy Agency (IAEA) to various countries in Southeast Asia and the Pacific region. He also served as a full-time consultant medical physicist at the International Atomic Energy Agency (IAEA) for a year during 2019-2020. He was convenor of the Medical Radiation Technology Training committee (MRTTC) of Christian Medical Association of India (CMAI) from 2005 to 2019. Dr Ravindran has significant international experience and has worked at the London Regional Cancer Program, London, ON Canada for two years, and is also a Fellow of the Canadian College of Physicists in Medicine. Dr Ravindran has more than fifty publications in peer reviewed journals and has delivered numerous lectures and presentations at several national and international conferences. In 2020 Dr Ravindran was awarded the ‘Outstanding Medical Physicist” award by the Asia-Oceania Federation of Organizations for Medical Physics (AFOMP). Dr Ravindran is currently working as the Chief Medical Physicist at the Christian Institute of Health Sciences and Research, Dimapur, Nagaland, India