CT colonography for radiographers : a guide to performance and image interpretation

CT colonography for radiographers : a guide to performance and image interpretation / Joel H. Bortz, Aarthi Ramlaul, Leonie Munro, editors ; foreword by Ingrid Britton.

This second edition, comprising 28 chapters, explains every aspect of the role of radiographers in performing CT colonography (CTC) and interpreting CTC images with the aim of enabling radiographers to extend the scope of their practice. It provides information required with respect to communication...

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Bibliographic Details
Other Authors: Bortz, Joel H. (Editor), Ramlaul, Aarthi (Editor), Munro, Leonie (Radiographer) (Editor)
Format: eBook
Language:English
Published: Cham : Springer, [2023]
Edition:Second edition.
Subjects:
Colon (Anatomy) > Tomography.
Online Access:Click for online access
Table of Contents:
  • Intro
  • Foreword
  • Preface
  • Acknowledgements
  • Contents
  • About the Authors
  • Abbreviations
  • 1: Introduction
  • References
  • 2: Patient-Centred Communication in Imaging
  • 2.1 Introduction
  • 2.2 What Is Communication?
  • 2.3 Verbal and Nonverbal Communication
  • 2.4 Sign, Symbols, and Codes
  • 2.5 Denotative and Connotative Meanings
  • 2.6 Ensuring a Successful CTC Study: Suggested Communication Materials to Inform Patients of Their Responsibilities
  • 2.7 CTC Examinations and Patient Feedback
  • 2.8 Readability of Imaging Reports
  • 2.9 Readability of Text of Instructions and Informed Consent for Patients
  • 2.10 Summary
  • References
  • 3: Informed Consent
  • 3.1 Introduction
  • 3.2 What Is Consent?
  • 3.2.1 Valid Consent
  • 3.3 Why Informed Consent in CTC?
  • 3.3.1 Informed Consent in Terms of the Use of Artificial Intelligence
  • 3.4 The Legal Aspects of Consent
  • 3.5 Patient Information
  • 3.6 Risks Associated with CTC Procedures
  • 3.7 The Duty of Consent and the Role of a CTC Radiographer
  • 3.8 Good Practice in Information Giving
  • 3.9 Clinical Audit to Include Informed Consent and Patient Information
  • 3.10 Summary
  • References
  • 4: Principles of CT and Hybrid Imaging
  • 4.1 Introduction
  • 4.2 Principles of CT
  • 4.2.1 The X-ray Tube
  • 4.2.2 What Are We Imaging?
  • 4.3 Tomographic Reconstruction: Backprojection
  • 4.3.1 Backprojection: An Example
  • 4.4 Tomographic Reconstruction: Iterative Reconstruction
  • 4.5 CT Numbers
  • 4.6 Multi-Slice CT
  • 4.7 Other Considerations
  • 4.8 Hybrid Imaging
  • 4.9 Summary
  • References
  • 5: Principles of Radiation Dose in CT and CT Colonography
  • 5.1 Introduction
  • 5.2 Radiation Units
  • 5.3 CT-Specific Radiation Dose Measures
  • 5.3.1 The CTDI Measurement
  • 5.3.2 Limitations of CTDI
  • 5.4 Effective Dose
  • 5.5 Low-Dose CTC
  • 5.6 Dosimetric Considerations of Dual-Energy CT (DECT)
  • 5.7 Dose for Clinical Audits
  • 5.8 Summary
  • References
  • 6: Dose Optimisation in CT Colonography
  • 6.1 Introduction
  • 6.2 Justification
  • 6.3 Optimisation
  • 6.3.1 Risk
  • 6.4 Patient Dose in CT: Controllable and Built-in Factors
  • 6.4.1 Tube Current
  • 6.4.2 Automatic Tube Current Modulation
  • 6.4.3 Tube Voltage
  • 6.4.4 Iterative Reconstruction
  • 6.4.4.1 Use of Artificial Intelligence in CT Image Reconstruction
  • 6.4.5 Pre-patient Beam Filter
  • 6.4.6 Active Collimators: Over-Ranging
  • 6.4.7 Detector Material
  • 6.4.8 Shielding
  • 6.4.9 Pitch
  • 6.4.10 Slice Thickness
  • 6.4.11 Matrix Size
  • 6.5 Other Practical Dose Saving Approaches
  • 6.6 Diagnostic Reference Levels as an Optimisation Tool
  • 6.7 Ethics in Radiology Imaging
  • 6.8 Conclusion
  • References
  • 7: Overview of CTC in Imaging the Colon
  • 7.1 Introduction
  • 7.2 Reasons for Referral to CTC
  • 7.3 Development of CTC
  • 7.3.1 Scanner Technology
  • 7.3.2 Interpretation Methods
  • 7.4 Evolution of the Technique

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