Computed Tomography

Höfundur Euclid Seeram

Útgefandi Elsevier Health Sciences (US)

Snið ePub

Print ISBN 9780323312882

Útgáfa 4

Útgáfuár 2016

3.890 kr.

Description

Efnisyfirlit

  • Cover image
  • Title page
  • Table of Contents
  • Copyright
  • Dedication
  • Contributors
  • Reviewers
  • Foreword
  • Preface to the Fourth Edition
  • Acknowledgments
  • 1. Computed Tomography: An Overview
  • Meaning
  • Process
  • How CT Scanners Work
  • Historical Perspectives
  • Applications of Volume Scanning
  • Major Technology Trends
  • CT Scanner Product Data: Characteristic Features
  • Digital Image Processing
  • 2. Digital Image Processing
  • Limitations of Film-Based Imaging
  • Generic Digital Imaging System
  • Historical Perspectives
  • Image Formation and Representation
  • What is Digital Image Processing?
  • Characteristics of the Digital Image
  • Image Digitization
  • Image Compression Overview
  • Image Synthesis Overview
  • Image-Processing Hardware
  • CT as a Digital Image-Processing System
  • Image Processing: An Essential Tool for CT
  • 3. Physical Principles of Computed Tomography
  • Limitations of Radiography and Tomography
  • Physical Principles
  • Technological Considerations
  • Advantages and Limitations of CT
  • 4. Data Acquisition Concepts
  • Basic Scheme for Data Acquisition
  • Data Acquisition Geometries
  • Slip-Ring Technology
  • X-Ray System
  • CT Detector Technology
  • Detector Electronics
  • Data Acquisition and Sampling
  • 5. Image Reconstruction
  • Basic Principles
  • Image Reconstruction from Projections
  • Reconstruction Algorithms
  • Types of Data
  • Image Reconstruction in Single-Slice Spiral/Helical CT
  • Image Reconstruction in Multislice Spiral/Helical CT
  • Cone-Beam Algorithms for Multislice CT Scanners
  • An Overview of Three-Dimensional Reconstruction Techniques
  • 6. Iterative Reconstruction Basics
  • Assumptions Made to Derive the FBP Algorithm
  • Noise Reduction Techniques
  • IR Algorithms without Modeling: Fundamental Concepts
  • Modeling Approaches in IR Algorithms: An Overview
  • Examples of IR Algorithms
  • Performance Evaluation Studies of IR Algorithms
  • Conclusion: A Noteworthy Perspective
  • 7. Basic Instrumentation
  • Computer Systems
  • Software Concepts
  • Computer Architectures and Processing Operations
  • CT Scanner—Basic Equipment Configuration
  • Imaging System
  • CT Computer and Image-Processing System
  • Image Display, Storage, Recording, and Communications
  • CT and Picture Archiving and Communications Systems
  • CT Control Console
  • Options and Accessories for CT Systems
  • Other Considerations
  • 8. Image Postprocessing and Visualization Tools
  • Image Postprocessing
  • Windowing
  • Two-Dimensional Image Processing: CT Image Reformatting Techniques
  • Three-Dimensional Image Processing
  • Visualization Tools
  • Advanced Visualization and Analysis Workstations
  • 9. Image Quality
  • Spatial Resolution
  • Low-Contrast Resolution
  • Temporal Resolution
  • CT Number Accuracy and Uniformity
  • Noise
  • Image Artifact
  • Quality Control
  • 10. Radiation Dose in Computed Tomography
  • CT Use and Dose Trends
  • Radiation Quantities and their Units
  • Radiation Bioeffects
  • Patient Exposure Patterns in Radiography and CT
  • CT Scanner X-Ray Beam Geometry
  • CT Dosimetry Concepts
  • Factors Affecting Dose in CT
  • Automatic Tube Current Modulation
  • Iterative Reconstruction Algorithms
  • Image Quality and Dose: Operator Considerations
  • CT Dose Optimization
  • Radiation Protection Considerations
  • CT Dose Index Registry
  • Image Wisely and Image Gently
  • 11. Multislice Computed Tomography: Physical Principles and Instrumentation
  • SSCT: Historical Background
  • Conventional Slice-by-Slice CT Scanning
  • Principles of SSCT Scanners
  • Instrumentation
  • Basic Scan Parameters
  • Limitations of SSCT Scanners
  • Evolution of Multislice CT Scanners
  • Physical Principles
  • Instrumentation
  • Isotropic Imaging
  • Image Quality Considerations
  • Beyond 64-Slice MSCT Scanners: Four-Dimensional Imaging
  • Beyond Single-Source Multislice CT Scanners: Dual-Source CT Scanner
  • Advantages of MSCT
  • Technical Applications
  • Clinical Applications
  • 12. Other Technical Applications of Computed Tomography Imaging: Basic Principles
  • Cardiac CT Imaging
  • CT Angiography: A Technical Overview
  • CT Fluoroscopy
  • Applications in Radiation Therapy: CT Simulation
  • Medical Image Fusion Overview
  • Flat-Detector CT
  • Breast CT Imaging
  • CT Screening
  • Quantitative CT
  • Portable Multislice CT Imaging
  • 13. Three-Dimensional Computed Tomography: Basic Concepts
  • Rationale
  • History
  • Fundamental Three-Dimensional Concepts
  • Classification of Three-Dimensional Imaging Approaches
  • Generic Three-Dimensional Imaging System
  • Technical Aspects of Three-Dimensional Imaging in Radiology
  • Rendering Techniques
  • Editing the Volume Dataset
  • Equipment
  • Clinical Applications of Three-Dimensional Imaging
  • Future of Three-Dimensional Imaging
  • Virtual Reality Imaging: Technical Considerations
  • Applications of Virtual Endoscopy
  • Advantages and Limitations
  • Software for Interactive Image Assessment
  • Flight Path Planning
  • Future of CT Virtual Endoscopy
  • Role of the Radiologic Technologist
  • 14. Positron Emission Tomography/CT (PET/CT) and Single-Photon Emission Computed Tomography/CT (SPECT/CT) Hybrid Scanners
  • Principles of Pet Imaging
  • Principles of Spect Imaging
  • Summary
  • 15. Computed Tomography of the Head, Cerebral Vessels, Neck, and Spine
  • Indications
  • Role of CT Compared with Other Imaging Modalities
  • Sectional Anatomy: A Review
  • Patient Preparation
  • Positioning
  • Scanning Protocols
  • Radiographic Technique
  • Contrast Media Usage
  • 16. Computed Tomography of the Body
  • Clinical Indications
  • Examination Preparation
  • Scanning Protocols
  • 17. Pediatric Computed Tomography
  • Multidetector CT
  • Role of the CT Technologist
  • CT of the Head, Neck, and Spine
  • CT of the Chest and Abdomen
  • Musculoskeletal CT
  • CT Angiography
  • 18. Quality Control for Computed Tomography Scanners
  • What is Quality Control?
  • Why Quality Control?
  • Three Tenets of Quality Control
  • Quality Control Tests for CT Scanners
  • Appendix A. Spiral Versus Helical Spiral or helical CT: right or wrong?
  • Appendix B. Cardiac Computed Tomography: Essential Technical Considerations
  • Answers to Review Questions
  • Glossary
  • Index
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