Dosimetric effects of X-rays for patients with plaster that take radiotheraphy
2012
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Advisor: Prof. Dr. Güneş Tanır
Abstract (EN)
Inthiswork, thepercentdepthdosemeasurementsweredonebyusing x-rayswith 6MV and 18MV fromlinearacceleratortherapydevice (Siemens, OncorImpression model) to plan theprobableradiationdoseto be giventopatientwith plaster. Bychangingthethickness of tissueequivalentsolidphantomwithandwithout plasterthelinearattenuationcoefficientswereexperimentallydeterminedfor (5x5) cm2, (10x10) cm2and (15x15) cm2areasandinvestigatedtheeffect of plaster todose. Itwasshownthatthelinearattenuationcoefficientsaredecreasingwhileenergy is increasing. Thelinearattenuationcoefficient of plaster wasalsocalculatedbyusingthe NIST x-ray program andcomparedwiththemeasuredvalues. Theresultswerefoundthattheyaregoodagreementwitheachother?sandthebackscatteringarethelessfor (5x5) cm2thanforthat of otherareas.Key Words : Radiotheraphy, X-Rays, Attention Coefficients, %Depth Dose
Author
Onur Karaman
How to Cite
Onur Karaman (Master Thesis). Dosimetric effects of X-rays for patients with plaster that take radiotheraphy, 2012, Gazi University.
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