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Measured dose distributions of iodine-125 sources and the computerised optimisation of their positions in brachytherapy planning

By William Ian Duncombe Rae

Abstract

Includes bibliographies.The use of 1-125 seeds in brachytherapy is widespread and becoming increasingly varied. The spatial dose distributions around two types of 1-125 seeds in general use, were measured using a Geiger-Muller chamber. Seeds with the 1-125 adsorbed onto resin spheres had a 10% less anisotropic dose distribution than seeds containing a silver wire with the 1-125 adsorbed onto it. An interpolative method was developed for fast dose calculations taking this anisotropy into account

Topics: Medical Physics
Publisher: Division of Medical Physics
Year: 1987
OAI identifier: oai:open.uct.ac.za:11427/12732

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