Abstract
During the first year of the provincial QA project, joint procedures were set up for the routine quality control of linear accelerators, Cobalt treatment machines and simulators. A set of standard forms was produced for use in all centres, respecting the differences in each individual machine. Since forms are now in use in all centres, the second year of the project mainly focused on the QA/QC of the contract therapy machine and treatment planning system. QC measurements for the contract therapy machines were performed in air or in a phantom. Since the output was checked with the same ionisation chamber (0.33 cc flat chamber calibrated for 50 kV) and the same type of electrometer in all centres, the results could be compared mutually and with the reference values. The major parameter groups, tested for the treatment planning system were: isodose distribution (visual control of all square fields in the database of the system), PDD data (analysing of 10 x 10 cm{sup 2}, 20 x 20 cm{sup 2}, 30 x 30 cm{sup 2} and 40 x 40 cm{sup 2} open or wedged fields), output factors, wedge and tray factors, inverse square law, geometrical testing of the digitizer - screen - printer
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De Ost, B;
Schaeken, B;
Vanregemorter, J;
[1]
Bellekens, L;
[2]
Cardoen, R;
Pieters, D;
[3]
Goossens, H;
[4]
Haest, K;
Mertens, N
[5]
- Algemeen Ziekenhuis Middelheim, Antwerp (Belgium)
- Sint-Vincentius Ziekenhuis, Antwerp (Belgium)
- Medisch Instituut Sint Augustinus, Wilrijk (Belgium)
- Sint-Elisabeth Ziekenhuis, Turnhout (Belgium)
- Sint Norbertus Ziekenhuis, Duffel (Belgium)
Citation Formats
De Ost, B, Schaeken, B, Vanregemorter, J, Bellekens, L, Cardoen, R, Pieters, D, Goossens, H, Haest, K, and Mertens, N.
KWARTA (Quality Assurance in the Radiotherapy centres of the Antwerp province): Quality control of the contract therapy machine and treatment planning system.
Belgium: N. p.,
1995.
Web.
De Ost, B, Schaeken, B, Vanregemorter, J, Bellekens, L, Cardoen, R, Pieters, D, Goossens, H, Haest, K, & Mertens, N.
KWARTA (Quality Assurance in the Radiotherapy centres of the Antwerp province): Quality control of the contract therapy machine and treatment planning system.
Belgium.
De Ost, B, Schaeken, B, Vanregemorter, J, Bellekens, L, Cardoen, R, Pieters, D, Goossens, H, Haest, K, and Mertens, N.
1995.
"KWARTA (Quality Assurance in the Radiotherapy centres of the Antwerp province): Quality control of the contract therapy machine and treatment planning system."
Belgium.
@misc{etde_464316,
title = {KWARTA (Quality Assurance in the Radiotherapy centres of the Antwerp province): Quality control of the contract therapy machine and treatment planning system}
author = {De Ost, B, Schaeken, B, Vanregemorter, J, Bellekens, L, Cardoen, R, Pieters, D, Goossens, H, Haest, K, and Mertens, N}
abstractNote = {During the first year of the provincial QA project, joint procedures were set up for the routine quality control of linear accelerators, Cobalt treatment machines and simulators. A set of standard forms was produced for use in all centres, respecting the differences in each individual machine. Since forms are now in use in all centres, the second year of the project mainly focused on the QA/QC of the contract therapy machine and treatment planning system. QC measurements for the contract therapy machines were performed in air or in a phantom. Since the output was checked with the same ionisation chamber (0.33 cc flat chamber calibrated for 50 kV) and the same type of electrometer in all centres, the results could be compared mutually and with the reference values. The major parameter groups, tested for the treatment planning system were: isodose distribution (visual control of all square fields in the database of the system), PDD data (analysing of 10 x 10 cm{sup 2}, 20 x 20 cm{sup 2}, 30 x 30 cm{sup 2} and 40 x 40 cm{sup 2} open or wedged fields), output factors, wedge and tray factors, inverse square law, geometrical testing of the digitizer - screen - printer and geometrical and densitometrical testing of the CT images - screen - printer. Between 496 and 1243 parameters were investigated in the different centres (depending on the presence of the electron data). Irregularities (0 % to 4 % of the total investigated parameters) were reported to the respective physicist.}
place = {Belgium}
year = {1995}
month = {Dec}
}
title = {KWARTA (Quality Assurance in the Radiotherapy centres of the Antwerp province): Quality control of the contract therapy machine and treatment planning system}
author = {De Ost, B, Schaeken, B, Vanregemorter, J, Bellekens, L, Cardoen, R, Pieters, D, Goossens, H, Haest, K, and Mertens, N}
abstractNote = {During the first year of the provincial QA project, joint procedures were set up for the routine quality control of linear accelerators, Cobalt treatment machines and simulators. A set of standard forms was produced for use in all centres, respecting the differences in each individual machine. Since forms are now in use in all centres, the second year of the project mainly focused on the QA/QC of the contract therapy machine and treatment planning system. QC measurements for the contract therapy machines were performed in air or in a phantom. Since the output was checked with the same ionisation chamber (0.33 cc flat chamber calibrated for 50 kV) and the same type of electrometer in all centres, the results could be compared mutually and with the reference values. The major parameter groups, tested for the treatment planning system were: isodose distribution (visual control of all square fields in the database of the system), PDD data (analysing of 10 x 10 cm{sup 2}, 20 x 20 cm{sup 2}, 30 x 30 cm{sup 2} and 40 x 40 cm{sup 2} open or wedged fields), output factors, wedge and tray factors, inverse square law, geometrical testing of the digitizer - screen - printer and geometrical and densitometrical testing of the CT images - screen - printer. Between 496 and 1243 parameters were investigated in the different centres (depending on the presence of the electron data). Irregularities (0 % to 4 % of the total investigated parameters) were reported to the respective physicist.}
place = {Belgium}
year = {1995}
month = {Dec}
}