A novel tracking technique for the continuous precise measurement of tumour positions in conformal radiotherapy

Changing tumour positions induced by organ motion can impede the full exploitation of the strengths of conformal radiotherapy. The unnecessary irradiation of healthy tissue surrounding the target volume can be the consequence. To overcome this, one should measure tumour positions directly and contin...

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Bibliographic Details
Published in:Physics in medicine & biology 2000-09, Vol.45 (9), p.N103-N110
Main Authors: Seiler, P G, Blattmann, H, Kirsch, S, Muench, R K, Schilling, Ch
Format: Article
Language:English
Subjects:
Algorithms
Biological and medical sciences
Electromagnetic Fields
Equipment Design
Humans
Medical sciences
Miniaturization
Neoplasms - radiotherapy
Phantoms, Imaging
Protons
Radiotherapy Planning, Computer-Assisted - instrumentation
Radiotherapy Planning, Computer-Assisted - methods
Radiotherapy, Computer-Assisted - instrumentation
Radiotherapy, Computer-Assisted - methods
Radiotherapy, Conformal - methods
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Technology. Biomaterials. Equipments. Material. Instrumentation
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Summary:Changing tumour positions induced by organ motion can impede the full exploitation of the strengths of conformal radiotherapy. The unnecessary irradiation of healthy tissue surrounding the target volume can be the consequence. To overcome this, one should measure tumour positions directly and continuously with high resolution in space and time. We have developed a novel tracking technique which will allow this. The method can also be used to survey and monitor the patient positioning. The proper functioning of our method has been technically demonstrated at PSI with the help of phantom irradiation with protons. Implementation into the clinical environment is now beginning.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/45/9/402