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目的 :观察鼻咽癌放疗对前庭功能的影响。方法 :对 2 0例鼻咽癌患者行常规根治放疗 ,剂量为 70 Gy,3例放疗量 >70 Gy。结果 :9例 (45 % )出现前庭功能异常 ,其中 3例记录到自发性眼震 ;患侧前庭功能减弱 4例 ;双侧前庭功能减弱和双侧前庭功能丧失各 2例。另 11例 (5 5 % )前庭功能正常。结论 :鼻咽癌放疗后可损害前庭功能 ,在进行职业鉴定时要考虑此因素 ,并应对前庭功能、听功能和咽鼓管功能分别予以评价。
Objective: To observe the effect of radiotherapy on the vestibular function of nasopharyngeal carcinoma. Methods: Twenty patients with nasopharyngeal carcinoma underwent routine radical radiotherapy at a dose of 70 Gy and three patients with radiotherapy volume> 70 Gy. Results: Nine cases (45%) had abnormal vestibular function, including 3 cases of spontaneous nystagmus; 4 cases of weakened vestibular function; 2 cases of bilateral vestibular dysfunction and 2 cases of bilateral vestibular dysfunction. The other 11 cases (55%) had normal vestibular function. Conclusion: The radiotherapy of nasopharyngeal carcinoma can damage the vestibular function, which should be considered in occupational identification. The vestibular function, hearing function and eustachian tube function should be evaluated respectively.