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CZECH MEDICAL ASSOCIATION J. Ev. PURKYNĚ |
| Journals - Article | |
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| Česky / Czech version | Čes. Radiol., 55, 2001, No. 2, p. 109-114 |
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Verification of the Calculation Accuracy of Linear Accelerator Clinac 600C Enhanced
Dynamic Wedge Irradiation Fields
Šimíček J., Wicha R., Vrba M., Prchal F. Masarykův onkologický ústav, Brno, ředitel doc. MUDr. Jan Žaloudík, CSc. Zdravotně sociální fakulta Jihočeské univerzity, České Budějovice Varian Medical Systems, Palo Alto, CA 95035 |
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Summary: Enhanced dynamic wedge is one of the dynamic delivery techniques in radiotherapy, which allows
optimizing final dose distribution. Treatment planning the above-mentioned technique is done with
the help of a treatment planning system (TPS). Calculation accuracy of commercially available TPS
CadPlan has been performed for a variety of fields with enhanced dynamic wedge. Data calculated
by TPS were compared with measurements in water phantom. The comparison based on percentage
dose curves and transversal profiles indicated, that for all calculation points the agreement between
calculation and measurement was better than 2% or 4 mm respectively.
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