
Proton Radiotherapy Accelerators.
Title:
Proton Radiotherapy Accelerators.
Author:
Wieszczycka, Wioletta.
ISBN:
9789812811646
Personal Author:
Physical Description:
1 online resource (342 pages)
Contents:
CONTENTS -- PREFACE -- CHAPTER 1 INTRODUCTION -- 1.1 Cancer and Radiation Therapy -- 1.2 Historical Development of Radiation Therapy -- 1.3 Modern Tools for Conventional Radiotherapy -- 1.3.1 Main Parameters of Conventional Therapy Beams -- 1.3.2 Elements of Conventional Accelerator System -- 1.3.3 Reasons for Development of Non-conventional Radiotherapies -- 1.4 Glossary -- 1.4.1 Beam Intensity -- 1.4.2 Beam Range in an Absorbing Medium -- 1.4.3 Bragg Peak Modulation -- 1.4.4 Range Adjustment -- 1.4.5 Radiation Field -- 1.4.6 Field Homogeneity on a Transverse Section -- 1.4.7 Homogeneity Region in a Plane Orthogonal to the Beam Direction -- 1.4.8 Field Homogeneity along the Beam Axis -- 1.4.9 Field Symmetry -- 1.4.10 Lateral Penumbra -- 1.4.11 Distal Dose Fall-off -- CHAPTER 2 PHYSICAL AND RADIOBIOLOGICAL PROPERTIES OF HADRONS -- 2.1 Basic Facts in Radiotherapy -- 2.1.1 Dose-Effects Curves -- 2.1.2 RBE Dependence on LET and OER -- 2.2 An Introduction to Hadrontherapy -- 2.3 Energy Loss -- 2.3.1 Nuclear Energy Loss -- 2.3.2 Electronic Energy Loss -- 2.3.3 Range and Bragg Curves -- 2.3.4 Track Formation and Radial Dose Distribution -- 2.4 Interaction of Hadrons with Biological Matter -- 2.4.1 Cellular Organization and the Target of Radiation Action -- 2.4.2 Hadrons' Track in Biological Matter -- 2.4.3 RBE of Hadrons -- 2.4.4 Fractionation and Oxygen Effect -- CHAPTER 3 STATUS OF CLINICAL RESEARCH IN PROTONTHERAPY -- 3.1 Precision in Radiotherapy and the Role of Protons in Improving Treatment Precision -- 3.1.1 Precision in Conventional Radiotherapy -- 3.1.2 Role of Proton Beams in Improving Treatment Precision -- 3.1.3 Range Uncertainties of the Protons in the Patients -- 3.2 Clinical Experience in Protontherapy. Patient Statistics -- 3.3 Clinical Indications for Protontherapy -- 3.3.1 Ocular Melanomas.
3.3.2 Skull Base and Cervical Chordomas and Chondrosarcomas -- 3.3.3 Intracranial Tumors -- 3.3.4 Pituitary Tumors -- 3.3.5 Arteriovenous Malformations (AVM) -- 3.3.6 Adenocarcinoma of the Prostate -- 3.4 Hadrontherapy Diseases Categories -- 3.5 Number of Hadrontherapy Patients World-Wide -- CHAPTER 4 HADRONTHERAPY FACILITIES WORLD-WIDE -- 4.1 Hadrons Acceleration and Beam Delivery Technologies for Radiotherapy -- 4.1.1 Accelerator for Radiotherapy with Hadrons -- 4.1.2 Energy Selection System -- 4.1.3 Beam Transport -- 4.1.4 Gantry -- 4.1.5 Beam Delivery Systems -- 4.2 Historical Development of Hadrontherapy Centers -- 4.2.1 Hadrontherapy Centers Localized in the Research Facilities -- 4.2.2 Second Generation of Research Hadrontherapy Facilities -- 4.2.3 Hospital-Based Dedicated Hadrontherapy Facilities -- 4.3 Planned Hadrontherapy Centers -- 4.4 International Collaborations for Design an Universal Protontherapy Center -- 4.5 Firm Project of Protontherapy Centers -- CHAPTER 5 REQUIREMENTS FOR HADRONTHERAPY CENTERS -- 5.1 Medical and Technical Performance Specifications for the Clinical Proton Beam -- 5.1.1 Beam Range in Absorbing Medium -- 5.1.2 Bragg Peak Modulation -- 5.1.3 Range Adjustment -- 5.1.4 Field Size -- 5.1.5 Field Homogeneity and Symmetry -- 5.1.6 Lateral Penumbra -- 5.1.7 Distal Dose Fall-off -- 5.1.8 Average Dose Rate -- 5.1.9 Dose Accuracy -- 5.1.10 Beam Intensity Requirements -- 5.1.11 Source to Axis Distance (SAD) -- Source to Surface Distance (SSD) -- 5.1.12 Displacement of the Beam Axis from the Isocenter -- 5.1.13 Gantry Rotation -- 5.1.14 Time Structure of the Extracted Beam -- 5.1.15 Beam Abort Time -- 5.2 Performance Specification for the General Facility -- 5.2.1 Treatment Rooms -- 5.2.2 Facility Availability -- 5.2.3 Treatment Beams -- 5.2.4 Dosimetry Reproducibility -- 5.2.5 Control System.
5.2.6 Radiation Safety of the Facility -- 5.2.7 Operation Costs -- 5.3 Protontherapy Equipment System -- 5.4 Building Design -- CHAPTER 6 PROTONTHERAPY ACCELERATORS -- 6.1 Performance Specifications for Accelerators Systems -- 6.1.1 Energy -- 6.1.2 Beam Intensity -- 6.1.3 Quality of the Extracted Beam -- 6.1.4 Accelerator Beam Monitoring -- 6.1.5 Physical Characteristics of Accelerators -- 6.1.6 Costs of the Dedicated Proton Accelerator -- 6.2 Operating Principles of Proton Accelerators -- 6.2.1 Cyclotron -- 6.2.2 Proton Synchrotron -- 6.2.3 Proton Linear Accelerator -- 6.2.4 Synchrocyclotron -- 6.2.5 Advantages and Disadvantages of Accelerators Used for Protontherapy -- 6.3 Examples of Cyclotrons for Protontherapy -- 6.3.1 A Room Temperature Design Cyclotron - Cyclone 235 -- 6.3.2 Compact Superconducting Cyclotron Design - CAL/Siemens -- 6.4 Examples of Synchrotrons for Protontherapy -- 6.5 Examples of Linear Accelerators for Protontherapy -- 6.5.1 Standing Wave Design -- 6.5.2 Booster Linear Accelerator -- CHAPTER 7 BEAM TRANSPORT AND DELIVERY SYSTEMS -- 7.1 Effects of Material in the Beam Path -- 7.1.1 Multiple Scattering -- 7.1.2 Range Straggling -- 7.1.3 Beam Fragmentation -- 7.2 Performance Specifications for Beam Transport System -- 7.2.1 Beam Parameters -- 7.2.2 Beam Switching and Tuning -- 7.2.3 Beam Diagnostics, Monitoring and Safety -- 7.3 Performance Specifications for Treatment Beam Line (Nozzle) -- 7.3.1 Specifications for Nozzle Using Scattering -- 7.3.2 Specifications for Nozzle Using Scanning -- 7.4 Beam Transport Systems -- 7.4.1 LLUMC Beam Transport System -- 7.4.2 NPTC Beam Transport System -- 7.5 Beam Preparation for Clinical Use -- 7.5.1 Variable Range Shifters -- 7.5.2 Range Modulation -- 7.5.3 Transverse (Lateral) Spreading of Particle Beams -- 7.5.4 Collimators -- 7.5.5 Dynamic Beam Shaping.
CHAPTER 8 PROTON GANTRIES -- 8.1 Specifications for the Proton Gantries -- 8.2 Proton Gantries Solutions -- 8.2.1 Corkscrew Gantry -- 8.2.2 Large Throw Gantry -- 8.2.3 Compact Gantry -- 8.2.4 ITEP Proposal of Anti-Gantry (AG) -- CHAPTER 9 RADIATION DETECTORS -- 9.1 Dosimetry Principles -- 9.2 Beam Monitoring, Dosimetry and Microdosimetry -- 9.2.1 Monitoring Chain -- 9.2.2 Reference Dosimetry -- 9.2.3 Systems for Relative Dosimetry -- 9.2.4 Microdosimetry -- 9.3 Phantoms -- 9.4 Dosimetry Intercomparisons and Protocol for Protontherapy Beams -- 9.5 Examples of Monitoring and Dosimetry Systems -- 9.6 Cost Estimations -- CHAPTER 10 TREATMENT ANCILLARY FACILITIES -- 10.1 Performance Specifications for Treatment Ancillary Facilities -- 10.1.1 Performance Specifications for Pre-Treatment Equipment and Diagnostic Tools -- 10.1.2 Performance Specifications for Treatment Planning Software and Hardware -- 10.1.3 Performance Specifications for Patient Positioning and Alignment Devices -- 10.2 Treatment Planning Software and Hardware -- 10.2.1 Algorithms -- 10.2.2 Assessment of a Plan and Comparison of Competing Plans -- 10.2.3 Eye Treatment Planning -- 10.2.4 Available Systems for Treatment Planning -- 10.3 Patient Positioning and Alignment Devices -- 10.3.1 Immobilization Techniques and Devices -- 10.3.2 Therapeutic Couch and Chair -- 10.3.3 Verification of Patient Positioning -- 10.3.4 Treatment Simulation -- 10.3.5 Examples of Patient Handling Systems in the Existing Proton Facilities -- 10.4 Systems for Irradiation Gated by Respiration of the Patient -- 10.4.1 HIMAC Respirated-Gated Beam Control System -- 10.4.2 NAC Stereophotogrammetric (SPG) System -- CHAPTER 11 CONTROL SYSTEM OF THE PROTONTHERAPY CENTER -- 11.1 Control System of the Protontherapy Center.
11.2 Control System Proposed for Italian Hadrontherapy Center -- 11.3 Safety Systems -- 11.3.1 Safety Requirements -- 11.3.2 Safety System Proposed for Italian Hadrontherapy Center -- CHAPTER 12 SHIELDING FOR PROTON FACILITY -- 12.1 Performance Specifications for Shielding -- 12.1.1 Radiation Exposure -- 12.1.2 Attenuation in Shielding -- 12.1.3 Neutron Sources -- 12.1.4 Attenuation in Mazes and Ducts -- 12.1.5 Activation -- 12.2 Bunker Project for Italian Hadrontherapy Center -- 12.2.1 Beam Loss Sources -- 12.2.2 Shielding Project -- CHAPTER 13 GLOBAL COSTS AND FINANCIAL ANALYSIS OF THE ACTIVITIES OF THE PROTON CENTER -- 13.1 Cost Considerations of Hadrontherapy -- 13.2 Comparison of Treatment Costs -- 13.3 Global Costs of Existing the Proton Facilities -- 13.3.1 Costs of the Equipment -- 13.3.2 Operational Expenses of Existing Proton Facilities -- 13.3.3 Staff Requirements and Costs -- CHAPTER 14 PROPOSAL OF A DEDICATED PROTONTHERAPY FACILITY -- 14.1 Clinical Requirements for a Dedicated Protontherapy Center -- 14.1.1 Equipment for Protontherapy Facility -- 14.1.2 Building for Protontherapy Facility -- 14.2 Conclusions -- REFERENCES -- INDEX.
Abstract:
Hadronic radiotherapy uses particle beams to treat tumors located near critical body structures and tumors that respond poorly to conventional photon and electron beam radiotherapy. Initial research in hadronic radiotherapy was performed using accelerators built for physics research. The good results of the proton and ion therapy programs have enhanced the tendency to use protontherapy as a routine method. There are about 20 working protontherapy facilities (first, second and third generation) and more than 30 centers are planned. This book presents the first comprehensive overview of the field with a discussion on the fundamental basis of particle physics and radiobiology, as well as review of clinical and technical specifications and designs for proton radiotherapy. In particular, the current designs of proton and heavy ion accelerators, beam delivery systems, gantries, beam monitoring and dosimetry systems, control and safety systems, patient positioning and immobilization devices, and ancillary treatment facilities are widely discussed. Contents: Physical and Radiobiological Properties of Hadrons; Status of Clinical Research in Protontherapy; Hadrontherapy Facilities World-Wide; Requirements for Hadrontherapy Centers; Protontherapy Accelerators; Beam Transport and Delivery Systems; Proton Gantries; Radiation Detectors; Treatment Ancillary Facilities; Control System of the Protontherapy Center; Shielding for Proton Facility; Global Costs and Financial Analysis of the Activities of the Proton Center; Proposal of a Dedicated Protontherapy Facility. Readership: Engineers, medical physicists and physicians involved in the design and construction of radiotherapy accelerators, undergraduate and graduate students in high energy accelerator and biomedical physics, radiotherapists.
Local Note:
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2017. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
Genre:
Added Author:
Electronic Access:
Click to View