The Physics of CT Dosimetry

CTDI and Beyond
CRC Press
  • erschienen am 26. März 2019
  • |
  • 232 Seiten
E-Book | PDF mit Adobe DRM | Systemvoraussetzungen
978-0-429-66549-3 (ISBN)

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.


  • 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
  • Englisch
  • Milton
  • |
  • Großbritannien
Taylor & Francis Ltd
  • Für höhere Schule und Studium
42 schwarz-weiße Abbildungen, 2 schwarz-weiße Fotos, 40 schwarz-weiße Zeichnungen, 23 schwarz-weiße Tabellen
978-0-429-66549-3 (9780429665493)
weitere Ausgaben werden ermittelt

Robert L. Dixon, Ph.D, FACR, FAAPM is Professor Emeritus in the Department of Radiology, Wake Forest University School of Medicine, USA and holds a Ph.D. in Nuclear Physics.

He has taught physics and medical physics for decades, and is a recipient of the Radiology Department's Teaching Excellence Award. He is also a past president of the American Association of Physicists in Medicine (AAPM) as well as past Chairman of the AAPM Science Council and CT Committee; and is a past Vice President of RSNA. He has published many papers on CT dosimetry in the journal Medical Physics and is a five-time winner of the SEAAPM Best Publication Award.

Prof. Dixon is a member of the IEC MT30 CT committee; is a designated US CT Expert (ANSI); and has been an invited keynote speaker at multiple International Conferences. He has also been a member of the Governing Board and the Executive Committee of the American Institute of Physics (AIP), and has received the Distinguished Service Award and the Lifetime Achievement Award of the American Board of Radiology (ABR).

He was also an airshow performer (1991-2006) flying former military aircraft including an ex- Soviet Air Force jet.

Chapter 1: Introduction and History

Chapter 2: Derivation of Dose Equations for Shift-Invariant Techniques and the Physical Interpretation of the CTDI-Paradigm

Chapter 3: Experimental Validation of a Versatile System of CT Dosimetry Using a Conventional Small Ion Chamber

Chapter 4: An Improved Analytical Primary Beam Model for CT Dose Simulation

Chapter 5: Cone Beam CT Dosimetry: A Unified and Self-Consistent Approach Including All Scan Modalities - With or Without Phantom Motion

Chapter 6: Analytical Equations for CT Dose Profiles Derived Using a Scatter Kernel of Monte Carlo Parentage Having Broad Applicability to CT Dosimetry Problems

Chapter 7: Dose Equations for Tube Current Modulation in CT Scanning and the Interpretation of the Associated CTDIvol

Chapter 8: Dose Equations for Shift-Variant CT Acquisition Modes Using Variable Pitch, Tube Current, and Aperture, and the Meaning of their Associated CTDIvol

Chapter 9: Stationary Table CT Dosimetry and Anomalous Scanner-Reported Values of CTDIvol

Chapter 10: Future Directions of CT Dosimetry and A Book Summary

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