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Achieving Quality in Brachytherapy : Medical Physics and Biomedical Engineering - B. R. Thomadsen

Achieving Quality in Brachytherapy

Medical Physics and Biomedical Engineering

Hardcover Published: 1st January 1999
ISBN: 9780750305549
Number Of Pages: 252

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Achieving Quality in Brachytherapy addresses the main issues that often prevent correct delivery of brachytherapy treatment. The book explains how to set up a functional quality assurance program in brachytherapy and covers all the steps needed to undertake particular treatment plans, from the initial planning required to the detailed specification. It highlights the importance of planning as a means of controlling and dealing with errors during the treatment process and advises on what to check and how to check during treatment to ensure effective quality assurance. This comprehensive reference is ideal for professionals working in brachytherapy, physics, and radiation oncology, and serves as an introduction for trainees with an undergraduate degree in medical physics or clinical radiation oncology.

Industry Reviews

.."highly recommended for everyone working with radiotherapy in general and brachytherapy in particular." Acta Radiologica ly recommended for everyone working with radiotherapy in general and brachytherapy in particular." Acta Radiologica

Prefacep. xiii
General Considerations in Quality Management in Brachytherapyp. 1
Importance of quality assurancep. 1
Principles of quality assurancep. 2
Errorp. 8
Systematic errorp. 8
Random errorp. 8
Error reductionp. 8
Error preventionp. 8
Error detectionp. 11
Guidance in the use of toolsp. 12
Trainingp. 13
Staffingp. 16
Items not coveredp. 18
Terminology revisitedp. 19
Sources for informationp. 19
Human performance implications for quality managementp. 20
Summaryp. 20
Quality Management for Manual Loading, Low Dose Rate Brachytherapy Sourcesp. 21
Sources for a permanent inventoryp. 21
Acceptance testsp. 21
Periodic testsp. 33
Sources ordered for particular patientsp. 36
Integrityp. 37
Linear uniformity--wire (not seeds, which are too short to matter)p. 37
Assay of source strengthp. 37
Penetration and dose distributionp. 40
Summaryp. 41
Quality Management for a Treatment Planp. 42
Evaluating whether the plan contains errorsp. 42
Direct checks on the input datap. 42
Does the plan make sense?p. 52
Indirect checks on the input datap. 53
Evaluating the appropriateness of the planp. 54
Concerns in evaluating the appropriateness of a treatment planp. 55
Toolsp. 59
Summaryp. 76
Quality Management for Manually Loaded, Low Dose Rate Applicationsp. 78
Applications involving sources from a standing inventoryp. 78
Source loadingp. 78
Calculation of the removal timep. 80
During the treatmentp. 81
At the removalp. 82
Applications involving temporary sources ordered for the treatmentp. 82
Source loadingp. 82
Calculation of the removal timep. 86
During the treatmentp. 87
At the removalp. 88
Applications involving sources ordered for a permanent implantp. 88
Source strength checkp. 88
Source position checksp. 89
Implants using radium or caesium needlesp. 94
Summaryp. 95
Quality Management for High Dose Rate Unitsp. 97
Periodic evaluations (at the beginning of each treatment day)p. 98
Safety checksp. 99
Dosimetry checksp. 101
Initial checksp. 114
Safety checksp. 114
Dosimetry checksp. 115
Ancillary device checksp. 117
Acceptance testing and commissioningp. 119
Operationp. 119
Detection of obstructionsp. 119
Source retraction--automatic (emergency)p. 120
Source retraction--manualp. 120
Loss of sourcep. 120
Checks during treatmentp. 120
Checks after treatmentp. 121
Summaryp. 121
Pulsed dose rate unitsp. 122
Quality Management for High Dose Rate Treatment Plansp. 126
Error preventionp. 127
Protocolsp. 128
Formsp. 128
Independent second personp. 128
Error detectionp. 128
Independent physicist's reviewp. 129
Physician's reviewp. 144
Predelivery checksp. 145
Indicators of 'reasonableness'p. 147
Gynaecological intracavitary insertionsp. 147
Intraluminal insertionsp. 150
Interstitial implantsp. 152
When the checks failp. 155
Summaryp. 157
Some recommendations from the report of Task Group 59 of the American Association of Physicists in Medicinep. 158
Quality Management for Low and Medium Dose Rate Remote Afterloadersp. 161
Advanced remote afterloadersp. 162
Checks per patientp. 163
Periodic checksp. 166
Basic remote afterloadersp. 168
Checks per patientp. 170
Periodic checksp. 171
Procedural quality considerations with basic remote afterloadersp. 174
Reported operational problems with LDR remote afterloadersp. 175
Simple source loadersp. 176
Dose rate considerationsp. 176
Summaryp. 178
Quality Management for Brachytherapy Appliancesp. 179
Intracavitary applicatorsp. 179
Gynaecological appliancesp. 180
Intraluminal applicatorsp. 192
Interstitial equipmentp. 193
Source-holding needlesp. 193
Cathetersp. 196
Flexible needles and fixed-length plastic tubesp. 200
Templatesp. 200
Surface applicatorsp. 204
Eye applicatorsp. 205
Skin applicatorsp. 206
Intraoperative applicatorsp. 207
Summaryp. 207
Quality Management for Dosimetric Treatment Planningp. 210
Localizationp. 211
Radiographic localizationp. 212
Sectional localizationp. 218
Ultrasound localizationp. 221
Source simulationp. 222
Dose calculationp. 225
Digitizationp. 227
Geometric reconstructionp. 228
Dose calculationp. 228
Plan outputp. 235
Summaryp. 237
Appendix 9Ap. 237
Referencesp. 240
Indexp. 247
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780750305549
ISBN-10: 0750305541
Series: Medical Physics and Biomedical Engineering
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 252
Published: 1st January 1999
Country of Publication: GB
Dimensions (cm): 24.13 x 15.88  x 1.91
Weight (kg): 0.58
Edition Number: 1