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Palladium-103 brachytherapy deemed safe, pupil-sparing treatment
Iris melanoma treated with palladium-103 plaque brachytherapy showed patterns of regression that included decreased intrinsic tumor vascularity, increased tumor pigmentation and decreased tumor thickness, according to a study. Palladium-103 (Pd) ophthalmic plaque radiation therapy is used to treat iris melanoma by preserving normal iris tissue and function compared with less conservative treatment options: iridectomy, iridocyclectomy and enucleation.