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The regulation of Ministry of Health on safe use of ionizing radiation for medical exposures (18.02.2011) forces all radiotherapy centers in Poland to participate in external dosimetric audits. First external dosimetric audit in Poland was organized by the Secondary Standard Dosimetric Laboratory (SSDL) of the Institute of Oncology in Warsaw in 1991. Since 1999 the postal audits have been carried...
Intensity modulated radiotherapy (IMRT/VMAT) is a complex procedure requiring proper dosimetric verification. IMRT dose distributions are characterized by high degree of modulation and by steep dose gradients. The fluence measurements for individual beams or at individual angle are not sufficient for evaluation of total dose distribution and for assuring patient safety.A number of electronic systems...
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