CT at a Glance gets readers quickly up to speed with the core knowledge and competencies required for computed tomography (CT) scanning, as established by the major radiography organizations around the world, including the ASRT and the CAMRT. This brand new title describes the basic science behind CT with an emphasis on the theory that is essential for practice. Featuring an abundance of illustrations, succinct, straightforward explanations and clear, step-by-step guidance, it includes the fundamental physics, technical principles, and imaging strategies and procedures involved in CT scanning.
Over the course of twenty four, concise modular chapters, CT at a Glance covers all the bases for entry-to-practice students, including:
* The basic physics underlying CT scanning
* State-of-the-art multi-slice technologies
* Data acquisition strategies
* Equipment components–their functions and applications
* Image reconstruction and image quality control
* CT dose and dose optimization procedures
* Quality control fundamentals
CT at a Glance is an indispensable learning resource for students in medical imaging technology courses, including those covering radiography, nuclear medicine, and radiation therapy, as well as for biomedical engineering technology students.
Cuprins
Foreword viii
Preface ix
Acknowledgements x
1 Computed tomography: an overview 2
2 Major components of a CT scanner 6
3 How CT scanners work 9
4 Data acquisition principles 12
5 X-ray tubes and generator technologies 15
6 X-ray beam filtration and collimation 18
7 Essential physics: radiation attenuation 21
8 Attenuation measurements and CT numbers 24
9 CT detector technology basics 27
10 CT image reconstruction basics 30
11 CT image display and storage 33
12 CT and picture archiving and communication systems (PACS) 36
13 CT image postprocessing 38
14 Multislice CT – essential principles: part 1 42
15 Multislice CT – essential principles: part 2 46
16 Image quality: part 1 50
17 Image quality: part 2 – spatial resolution 53
18 Image quality: part 3 – contrast resolution 56
19 Image quality: part 4 – noise 59
20 Image quality: part 5 – artifacts 62
21 CT dose optimization: part 1 65
22 CT dose optimization: part 2 68
23 Optimization of radiation protection in CT 70
24 CT quality control basics 73
Index 76
Despre autor
Euclid Seeram, Ph D, MSc, BSc, FCAMRT, has academic appointments in Medical Imaging and is Honorary Senior Lecturer in the Department of Radiology of the University of Sydney, Australia. In addition, he is Adjunct Associate Professor in the Faculty of Medicine, Nursing, and Health Sciences at Monash University, Australia; Adjunct Professor in the Faculty of Science, Charles Stuart University, Australia, and Adjunct Associate Professor in the Faculty of Health, University of Canberra, Australia.
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