Treatment of cancer with X-rays produced by linear accelerators

In this study, I use the GE, Saturne 41 model linear accelerator which is locatedat Dr. Abdurahman Yurtarslan Ankara Oncology Education and ResearchHospital. I made, dd % value measurement tests, dose profiles tests and TPRmeasurement tests in open field and wedge field with 6MV and 15MV photonenergies in water phantom and solid phantom. dd% value and dose profilesmeasurements made in water phantom, dose outpot measurements in rmax madein solid phantom. dd% values obtained from 6 MV photon energies comparedwith Bitish Journal of Radiology Supplement No:11 and dd% values obtainedfrom 15 MV photon energies compared with Supplement No:25. Qualitycontrols made by calibrated devices. I measured symmetry-flatness, %dd, doseoutput which depend on gantry angle, profile and the other necessaryparameters in 6 MV and 15 MV photon energies. The correction factors whichchange photon numbers in treatment are measured. The values necessary forTreatment Planning Systems are measured and transferred in to the system.Dose values obtained from referans conditions which calculated theoritical andtreatment planning system are compared with dosimetric values. Qualityassurance is supplied for medical physic.Science Code : 202Keywords : 6 MV, 15 MV, X-ray, dd%, SSDNumber of Pages : 152Thesis Leader : Prof. Dr. Güneş TANIR