The Physics Of Ct Dosimetry

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The Physics Of Ct Dosimetry

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Author : Robert L. Dixon
language : en
Publisher: CRC Press
Release Date : 2019-03-26

The Physics Of Ct Dosimetry written by Robert L. Dixon and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-26 with Science categories.

This book explores the physics of CT dosimetry and provides practical guidance on best practice for medical researchers and practitioners. A rigorous description of the basic physics of CT dosimetry is presented and illustrates flaws of the current methodology. It also contains helpful (and rigorous) shortcuts to reduce the measurement workload for medical physicists. The mathematical rigor is accompanied by easily-understood physical explanations and numerous illustrative figures. Features: Authored by a recognised expert in the field and award-winning teacher Includes derivations for tube current modulation and variable pitch as well as stationary table techniques Explores abnormalities present in dose-tracking software based on CTDI and presents methods to correct them

Mdct Physics The Basics

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Author : Mahadevappa Mahesh
language : en
Publisher: Lippincott Williams & Wilkins
Release Date : 2012-03-28

Mdct Physics The Basics written by Mahadevappa Mahesh and has been published by Lippincott Williams & Wilkins this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-28 with Medical categories.

Written by the chief physicist at Johns Hopkins University Hospital, this easy-to-read short textbook explains the physics behind multi-detector CT technology, particularly newer, more complex technology. The focus is on principles of physics, effects of scan parameters on image quality, and optimum radiation dosage. The book includes numerous key points summaries and questions to assist in exam preparation.

Ct Imaging

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Author : Alexander C. Mamourian
language : en
Publisher: Oxford University Press
Release Date : 2013-03-14

Ct Imaging written by Alexander C. Mamourian and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Medical categories.

After reading this book, imagers and CT technologists should better understand the capabilities of modern multidector CT scanners. Imagers and technologists must understand how their scanners operate in order to take advantage of new capabilities for optimizing protocols that minimize patient dose. In addition, the reader will be better prepared to recognize the pitfalls and artifacts that appear on CT imaging. Some of these are unfamiliar to most imagers and are the product of the large detector arrays offered on new CT scanners.

The Physics Of Ct Dosimetry

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Author : Robert L. Dixon
language : en
Publisher: CRC Press
Release Date : 2019-03-26

The Physics Of Ct Dosimetry written by Robert L. Dixon and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-26 with Science categories.

This book explores the physics of CT dosimetry and provides practical guidance on best practice for medical researchers and practitioners. A rigorous description of the basic physics of CT dosimetry is presented and illustrates flaws of the current methodology. It also contains helpful (and rigorous) shortcuts to reduce the measurement workload for medical physicists. The mathematical rigor is accompanied by easily-understood physical explanations and numerous illustrative figures. Features: Authored by a recognised expert in the field and award-winning teacher Includes derivations for tube current modulation and variable pitch as well as stationary table techniques Explores abnormalities present in dose-tracking software based on CTDI and presents methods to correct them

Dose Optimization In Digital Radiography And Computed Tomography

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Author : Euclid Seeram
language : en
Publisher: Springer Nature
Release Date : 2023-02-21

Dose Optimization In Digital Radiography And Computed Tomography written by Euclid Seeram and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-21 with Science categories.

This book addresses radiation protection of patients having digital radiography and computed tomography (CT) examinations. The literature on radiation doses to patients from these two modalities have reported that the doses to patients are high. As a result, the radiology community has focused on methods and procedures to keep these doses as low as reasonably achievable (ALARA) without compromising the diagnostic image quality. This book outlines the motivation for dose optimization in radiology, identifies and describes the ICRP principle of optimization, outlines the factors affecting the dose in digital radiography and in CT, and identifies and describes strategies used in digital radiography and in CT for dose optimization. This book is intended for all those working in digital radiography and CT environments including radiological technologists, and radiographers, radiologists, biomedical engineering technologists, and student medical physicists. It is best used as a supplement to radiologic science textbooks, and in particular, radiation protection textbooks. Furthermore, this book lays the foundations for students and practitioners engaged in research on dose reduction and dose optimization in radiology. · Provides practical and useful methods for optimization of doses from digital radiography and CT · Describes the International Commission on Radiological Protection (ICRP) principle of optimization · Outlines the factors affecting the dose in digital radiography and in computed tomography

Computed Tomography

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Author : Euclid Seeram
language : en
Publisher: John Wiley & Sons
Release Date : 2022-07-11

Computed Tomography written by Euclid Seeram and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-11 with Medical categories.

COMPUTED TOMOGRAPHY: PHYSICS AND TECHNOLOGY In the newly updated second edition of Computed Tomography: Physics and Technology A Self Assessment Guide, distinguished computed tomography (CT) educator Euclid Seeram delivers a completely revised and expanded collection of multiple-choice questions covering all relevant technological advances, including the use of artificial intelligence, in the field of CT. In the book, readers will find a focused emphasis on physics and technology — an area where students of this discipline have traditionally struggled. The questions are presented in a format similar to those found on the certification examinations of the American Registry of Radiologic Technologists (ARRT), the Canadian Association of Medical Radiation Technologists (CAMRT), and other professional medical imaging organizations around the world. The author has also included true-false questions, short answer questions, and relevant learning outcomes to aid students in their study of the subject. Readers will also find brief notes on: An introduction to computed tomography, including an overview of the field and a historical perspective Digital image processing and the physics of computed tomography Data acquisition principles and technology and image reconstruction fundamentals Deep learning image reconstruction, the major equipment components of a computed tomography scanner, and image post-processing and visualization Multislice CT: Principles and Technology Image quality considerations CT Dosimetry and dose optimization strategies Quality control Perfect for radiological technology and diagnostic radiography students and practitioners, Computed Tomography: Physics and Technology A Self Assessment Guide, will also earn a place in the libraries of biomedical engineering students and radiology residents in training.

Computed Tomography

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Author : Willi A. Kalender
language : en
Publisher: John Wiley & Sons
Release Date : 2011-07-07

Computed Tomography written by Willi A. Kalender and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-07 with Medical categories.

The book offers a comprehensive and user-oriented description of the theoretical and technical system fundamentals of computed tomography (CT) for a wide readership, from conventional single-slice acquisitions to volume acquisition with multi-slice and cone-beam spiral CT. It covers in detail all characteristic parameters relevant for image quality and all performance features significant for clinical application. Readers will thus be informed how to use a CT system to an optimum depending on the different diagnostic requirements. This includes a detailed discussion about the dose required and about dose measurements as well as how to reduce dose in CT. All considerations pay special attention to spiral CT and to new developments towards advanced multi-slice and cone-beam CT. For the third edition most of the contents have been updated and latest topics like dual source CT, dual energy CT, flat detector CT and interventional CT have been added. The enclosed CD-ROM again offers copies of all figures in the book and attractive case studies, including many examples from the most recent 64-slice acquisitions, and interactive exercises for image viewing and manipulation. This book is intended for all those who work daily, regularly or even only occasionally with CT: physicians, radiographers, engineers, technicians and physicists. A glossary describes all the important technical terms in alphabetical order. The enclosed DVD again offers attractive case studies, including many examples from the most recent 64-slice acquisitions, and interactive exercises for image viewing and manipulation. This book is intended for all those who work daily, regularly or even only occasionally with CT: physicians, radiographers, engineers, technicians and physicists. A glossary describes all the important technical terms in alphabetical order.

Status Of Computed Tomography Dosimetry For Wide Cone Beam Scanners

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Author : I. D. McLean
language : en
Publisher:
Release Date : 2011

Status Of Computed Tomography Dosimetry For Wide Cone Beam Scanners written by I. D. McLean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.

This publication supports an interim solution to the dosimetric problems caused by modern computed tomography (CT) equipment, particular with respect to the wide X ray beam angles increasing seen in clinical practice. It reviews the development of current CT dose formalisms up to the current International Electrotechnical Commission (IEC) methodologies and presents practical measurement guidance in the implementation of new dosimetric methods needed with wide beam CT. Additional items of discussions are current approaches of the American Association of Physicists in Medicine in the USA to CT dosimetry as well as calibration aspects of CT dosimetric instrumentation. A summary describes the present status of CT dosimetry and provides recommendations for future action.

A Comparison Of Radiation Dose Measured In Ct Dosimetry Phantoms In Calculations Using Egs4 And Voxel Based Computational Models

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Author : Martin Caon
language : en
Publisher:
Release Date : 1997

A Comparison Of Radiation Dose Measured In Ct Dosimetry Phantoms In Calculations Using Egs4 And Voxel Based Computational Models written by Martin Caon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Radiation Therapy Physics

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Author : Alfred R. Smith
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11

Radiation Therapy Physics written by Alfred R. Smith and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Medical categories.

The aim of this book is to provide a uniquely comprehensive source of information on the entire field of radiation therapy physics. The very significant advances in imaging, computational, and accelerator technologies receive full consideration, as do such topics as the dosimetry of radiolabeled antibodies and dose calculation models. The scope of the book and the expertise of the authors make it essential reading for interested physicians and physicists and for radiation dosimetrists.