Objective To comprehend the status of deafness after radiotherapy in nasopharyngeal carcinoma (NPC).

目的了解鼻咽癌放疗后耳聋的现状。

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Background: the purpose of this study was to establish a prognostic score for nasopharyngeal carcinoma (NPC) that could estimate the probability of distant metastasis after conformal radiotherapy.

背景：此项研究的目的是建立一种鼻咽癌预后评分系统，来预测鼻咽癌适形放疗后远程转移的几率。

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OBJECTIVE To study the histomorphology of the ethmoid sinuses mucosa in the patients with nasopharyngeal carcinoma(NPC) complecated sinusitis after radiotherapy.

目的了解鼻咽癌放射治疗后鼻窦炎患者筛窦黏膜的组织形态学结构。

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