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[Endocavitary curietherapy of tumors of the rhinopharynx after external radiotherapy].

We report our experience in the treatment of nasopharyngeal carcinoma with intracavitary curietherapy to cure small recurring carcinomas or residual local disease 2-6 weeks after completing external radiotherapy. Since 1984, 10 patients have received intracavitary radiotherapy with customized molds charged with Ir 192. Six of them received a boost dose because of residual disease and for local recurrence. The technique we employed to shape the molds is described, together with the mode of use and the doses to target volume. Due to both the small number of treated cases and the short follow-up, no significant conclusions could be drawn relative to survival time. However, it must be stressed that this therapeutic approach gives a high local control rate with no severe side-effects or sequelae.