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Case Report - 32 P-patch contact brachyradiotherapy in the management of recalcitrant keloids and hypertrophic scars Vivante, H.; Salgueiro, M.J.; Ughetti, R.; Nicolini, J. & Zubillaga, M. Abstract Keloids are the result of excessive fibroblast proliferation and then over-abundant collagen deposition. There is no method able to guarantee absolute success in the therapeutic approach to keloids. Our case report involves a female patient with six lesions treated with a 32 P-patch bracyradiotherapy. Pre-treatment and adjuvant treatment of the lesions were performed with thiomucase, 5-fluoruracil, procaine and triamcinolone. Taking into account the activity contained in each of the patches and the total radiation dose to be administered according to clinical practice, dosimetric calculations were done for each lesion. Seperate silicone patches with chromic [ 32 P] phophate were designed for each lesion based on these calculations. Total remission was achieved in three treated lesions. The other lesions did not achieve total remission yet, but their sizes are diminishing. The differences observed in treatment outcome may be related with lesion features, adjuvant treatments and/or treatment schedule Keywords Keloids, 32 P, Brachytherapy, Dosimetry

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