Radiotherapy of Choroidal Melanoma with Iodine-125 |
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Authors: | Samuel Packer Marvin Rotman |
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Affiliation: | 2. The Department of Radiation Therapy, State University of New York, Downstate Medical Center, Brooklyn |
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Abstract: | The low-energy radioactive source iodine-125 is ideal for the irradiation of an intraocular tumor such as a choroidal melanoma. The energy (28 kev) of iodine-125 should be sufficient to allow sterilization of tumors as high as 10 mm. However, shielding of 28-kev photons can be achieved with thin metal (eg, gold) plaques. These eye plaques can be individually designed for each eye tumor, depending on its size, shape, and location. This paper deals with the basic considerations and preliminary observations that have lead us to the adoption of iodine-125 as the sole source for the radiation treatment of all intraocular tumors. |
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Keywords: | brachytherapy choroidal melanoma iodine-125 radiotherapy |
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