Practical radiobiology for proton therapy planning /

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"Version: 20171201"--Title page verso.Includes bibliographical references.1. Particle physics for biological interactions -- 1.1. Physical beam parameters, essential dosimetry and reference (or control) radiation requirements for RBE studies -- 1.2. Physics interacting with biology2. The essential radiobiology background -- 2.1. Introduction -- 2.2. Background and models -- 2.3. The [alpha]/[beta] ratio and its choice for modelling particle therapies3. Some important medical and surgical considerations, including clinical trials -- 3.1. Introduction -- 3.2. Surgery -- 3.3. Cytotoxic chemotherapies -- 3.4. Age and other medical conditions -- 3.5. Interpretation of the case histories and literature -- 3.6. Clinical trials -- 3.7. Ethical issues -- 3.8. Mixed endpoints -- 3.9. The importance of follow-up -- 3.10. Publication bias -- 3.11. Some future prospects4. Treatment planning and further medical perspectives -- 4.1. Introduction -- 4.2. Treatment planning processes -- 4.3. The important interaction of RBE issues with the marginal target volumes -- 4.4. Comparative planning studies -- 4.5. Trade-off situations in comparative treatment planning -- 4.5..1 Changes in the treatment plan -- 4.6. How to accommodate assumed errors in the RBE -- 4.7. The product of LET and dose5. Historical development of radiotherapy including what was learned from fast neutrons -- 5.1. Introduction -- 5.2. A brief synopsis -- 5.3. Neutron therapy -- 5.4. More recent developments based on neutron studies -- 5.5. Some important conclusions6. Fractionation -- 6.1. Introduction and background radiobiology -- 6.2. A brief history of fractionation -- 6.3. Modelling of fractionation -- 6.4. RBE and dose per fraction -- 6.5. Effects of regions of higher and lower dose per fraction relative to the prescribed dose for different fractionation patterns -- 6.6. Taking RBE uncertainty into account in fractionation -- 6.7. The use of the LQ model with large fraction sizes -- 6.8. Optimisation of fractionation using calculus methods -- 6.9. Other contributions to fractionation -- 6.10. Summary7. The case for using a variable proton RBE -- 7.1. Introduction -- 7.2. Arguments to preserve the status quo or avoid using RBE -- 7.3. Justification of a variable RBE -- 7.4. Further considerations8. A general RBE simple efficiency model for protons and light ions -- 8.1. Introduction -- 8.2. The experimental data and its limitations -- 8.3. Description of the Z-specific model -- 8.4. The graphical results -- 8.5. Conclusions and what remains to be done9. Inclusion of the energy-efficiency LET and RBE model in proton therapy -- 9.1. Introduction -- 9.2. RBE uncertainties -- 9.3. Description of the quantitative model -- 9.4. Some comparisons with experimental data sets -- 9.5. Two clinical examples where PBT could be suboptimal -- 9.6. Prediction of tumour response from the RBE increment -- 9.7. Concluding discussion10. Compensating for elapsed time : unintended treatment interruptions and re-treatments -- 10.1. Introduction -- 10.2. Unintended treatment interruptions -- 10.3. Summary for unintended treatment gap corrections -- 10.4. Re-treatments11. Errors of Bragg peak positioning and their radiobiological correction -- 11.1. Introduction -- 11.2. Brief description of methods -- 11.3. Description of the model -- 11.4. General discussion -- 11.5. Conclusions12. Additional considerations and conclusions -- 12.1. Introduction -- 12.2. Dose escalation where circumstances permit -- 12.3. Simultaneous 'sensitisation' effects by new therapies -- 12.4. Sensitivity analysis of the energy efficiency model -- 12.5. What could be achieved in a single international laboratory dedicated to high LET radiobiology -- 12.6. Conclusions.Practical Radiobiology for Proton Therapy Planning covers the principles, advantages and potential pitfalls that occur in proton therapy, especially its radiobiological modelling applications. This book is intended to educate, inform and to stimulate further research questions. Additionally, it will help proton therapy centres when designing new treatments or when unintended errors or delays occur. The clear descriptions of useful equations for high LET particle beam applications, worked examples of many important clinical situations, and discussion of how proton therapy may be optimized are all important features of the text. This important book blends the relevant physics, biology and medical aspects of this multidisciplinary subject.Also available in print.Mode of access: World Wide Web.System requirements: Adobe Acrobat Reader, EPUB reader, or Kindle reader.Bleddyn Jones is Professor of Clinical Radiation Biology at the new Gray Institute for Radiation Oncology and Biology at the University of Oxford, as well as Honorary Consultant in Clinical Oncology, Oxford Radcliffe Hospitals NHS Trust. Over the past 20 years he has been involved with selection and referral of patients abroad for particle therapy. Present research interests include development of new accelerator technology, better prediction of the biological effects of different qualities of radiation and the role of fractionation in particle beam therapy. He is Deputy Director of the Oxford Master of Science course in Radiation Biology and Co-Director of the new Particle Therapy Cancer Research Institute.Title from PDF title page (viewed on January 11, 2018).

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Publisher

: .,

Collation

1 online resource (various pagings) :illustrations (some color).

Language

English

ISBN/ISSN

9780750313384

Classification

616.99/40642

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-

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Subject(s)

Medical physics.
Radiotherapy.
Radiobiology.
Protons
Radiotherapy

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Bleddyn Jones.

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