Abstract
In the therapy of nasopharyngeal cancer (NPC), when the tumor remains at the primary site after a radical course of external beam irradiation (60 to 70 Gy), both additional external beam therapy with a reduced field and high dose rate intracavitary irradiation through the nasopharynx by a remote afterloading system (RALS)le3 have been reported. However, when the tumor remains in the intracranial region, increasing the external beam dose may lead to lethal complications,4.5 and the RALS therapy through the nasopharynx is not available because the tumor is distant from the source, and the dose distributed to the tumor is insufficient for cure. To salvage such cases, the investigators applied RALS therapy through the sphenoid sinus to locate the source closer to the tumor. Good results were obtained.
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Schedule a callMore From: American Journal of Otolaryngology--Head and Neck Medicine and Surgery
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