鼻咽癌
咽鼓管
医学
渗出
中耳炎
鼻窦炎
索环
中耳
外科
放射治疗
结构工程
工程类
作者
Yi‐Ho Young,Tzung‐Shiahn Sheen
标识
DOI:10.1080/00016489850155026
摘要
Nineteen nasopharyngeal carcinoma (NPC) patients were subjected to eustachian tube function testing before and 5 years after irradiation. Tubal patency and clearance function of the eustachian tube showed deterioration if maximum irradiation dosage was more than 70 Gy, whereas dynamic function of the eustachian tube was preserved. Development of middle ear complications in NPC patients post-irradiation was caused by both tubal and inflammatory factors. To preserve tubal function, maximum irradiation dosage to NPC should be limited to 70 Gy. To decrease the inflammatory reaction, firstly, middle ear effusion should be drained by repeated myringotomies instead of grommet insertion, and secondly, sinusitis should be evaluated and treated, because sinusitis can aggravate otitis media with effusion.
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