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作者观察鼻咽部放疗对耳蜗的危害。放疗前后经电测听检查,在13例中发现7例有持续性感音神经性耳聋。与一般认为耳蜗对放疗有抵抗力相反,头颈部肿瘤病人经放疗后,偶可发生耳聋。
The authors observed the nasopharyngeal radiation on the cochlear damage. Before and after radiotherapy and electrical test to detect, in 13 cases were found in 7 patients with persistent acoustic neuropathy deafness. Contrary to the general belief that the cochlear is resistant to radiotherapy, head and neck cancer patients can deaf even after radiotherapy.