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Effect of gold shielding on the dosimetry of an <sup>1</sup><sup>2</sup><sup>5</sup>I seed at close range
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1988
Year
Gold ShieldDermatologyGold ShieldsRadiation ProtectionRadiation MedicineOncologyBrachytherapyGold ShieldingRadiation Therapy PlanningRadiation OncologyNuclear MedicineRadiologyHealth SciencesRadioactive 125IPhysicsRadiation TherapyMelanomaDosimetryClose RangeApplied PhysicsMedicine
Radioactive 125I plaques with gold shields have been used for the treatment of choroidal melanoma. The effect of the gold shield on the dosimetry of a single 125I seed (model 6711) has been investigated in this paper. Increases in dose at close range due to the presence of the shield are observed. Such enhancement is in agreement with Williamson's Monte Carlo calculations.