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ORIGINAL ARTICLE
Year : 2020  |  Volume : 16  |  Issue : 3  |  Page : 539-545

Comparison of radiation and chemoradiation-induced sensorineural hearing loss in head and neck cancer patients


1 Radiation Biology Research Center; Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
2 Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
3 Department of Radiation Oncology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
4 Department of Radiation Technology, Allied Medicine Faculty, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5 Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
6 Radiation Biology Research Center; Department of Radiation Sciences, Allied Medicine Faculty, Iran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Susan Cheraghi
Department of Radiation Sciences, Allied Medicine Faculty, Iran University of Medical Sciences, Shahid Hemmat Highway, P. O. Box 1449614535, Tehran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_891_16

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Aim: The purpose of this study was to assess and compare the incidence and severity of sensorineural hearing loss (SNHL) in head-and-neck patients undergoing radiotherapy (RT) and concurrent cisplatin-based chemoradiotherapy (CRT). Materials and Methods: Pure tone audiometry (PTA) was performed at 0.25–12 kHz on 35 RT and 25 CRT patients after 12-month followed up. The hearing loss was evaluated according to the Common Terminology Criteria for Adverse Events (CTCAE) criteria. Results: SNHL increased to 84% in patients who had received CRT, compared with 26% increasing in patients who had treated with RT. There was an increased risk of SNHL at all frequencies for ears received a cochlear mean dose >50 Gy in RT group, compared to those receiving cochlear mean dose >30 Gy in CRT group. SNHL was more severe at higher frequencies in both patient groups. Conclusion: Characteristic of radiation-induced SNHL is different from CRT-induced SNHL, especially in threshold radiation dose and PTA frequency.


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