Nabila, Fatiya and Fathony, Muhammad (2014) Radiation Dosimetry and Accuracy of Linear Accelerator (LINAC) Using Thermoluminescent Dosimeter (TLD). Bachelor thesis, Swiss German University.

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Abstract

Linear accelerator (LINAC) is a device that accelerates charged particles to produce ionizing radiation to eliminate tumors. However, the surrounding healthy cells may also be irradiated. This study aimed to determine the radiation dose and accuracy of ionizing radiation produced by LINAC, and determine its distribution inside and outside of the targeted area. In this study, Varian Clinac iX D-2300 at MRCCC SHS was assessed. To measure the radiation dose, thermoluminescent dosimeter (TLD) chips were used. The TLD chips were fixed on several locations on the surface of a water equivalent solid phantom, placed at isocenter of the machine and exposed to 6MV, 200MU photon beam, 15MV, 200MU photon beam and 6MeV, 200MU electron beam. In two examinations, the radiation dose was highest at isocenter. In all examinations, radiation dose was fairly distributed across the targeted area with some variations, and rapidly reduced at the edge. The outside of the targeted area received a significant amount of radiation dose ranging from 0.983 ± 0.092 Gy to 8.433 ± 0.448 Gy for all examinations. This study concluded that the LINAC at MRCCC delivers a well-distributed radiation dose to the targeted area, but surrounding healthy cells are still prone to radiation risks.

Item Type:	Thesis (Bachelor)
Uncontrolled Keywords:	Linear Accelerator, Thermoluminescent Dosimeter, Water Equivalent Solid Phantom, Radiation Dose Distribution
Subjects:	R Medicine > R Medicine (General) > R856 Biomedical engineering R Medicine > RM Therapeutics. Pharmacology R Medicine > RM Therapeutics. Pharmacology > RM849 Radiation dosimetry
Divisions:	Faculty of Life Sciences and Technology > Department of Biomedical Engineering
Depositing User:	Faisal Ifzaldi
Date Deposited:	28 Jun 2021 16:41
Last Modified:	28 Jun 2021 16:41
URI:	http://repository.sgu.ac.id/id/eprint/2024

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