A longitudinal study of multimodal evoked potentials in patients following radiotherapy for nasopharyngeal carcinoma

Lok Ming Tang*, Sien Tsong Chen, Wen Chuin Hsu, Wai Man Leung

*此作品的通信作者

研究成果: 期刊稿件文章同行評審

10 引文 斯高帕斯(Scopus)

摘要

Radiation rhombencephalopathy and radiation myelopathy may occur in patients months or years after radiotherapy for malignancy of the head and neck. We obtained multimodal evoked potentials longitudinally in 26 patients with proven nasopharyngeal carcinoma. Recordings were made before radiotherapy and at 1 week, 3 months, 9 months, 15 months, and 24 months after radiotherapy. All absolute latencies of evoked response before and after radiation were within normal limits. However, the I-III interpeak latencies of brainstem auditory evoked potentials and the onset latencies of motor evoked potentials in the whole group of patients at 15 months after radiation were significantly longer than those before radiotherapy, whereas the latencies at 24 months were not significantly different. The N20 latencies of somatosensory evoked potentials after radiotherapy were significantly prolonged at 3 months of follow-up; the prolongation then became normal. They indicate that a subclinical reversible radiation-induced dysfunction may occur in the auditory, sensory, and motor systems.

原文英語
頁(從 - 到)521-525
頁數5
期刊Neurology
47
發行號2
DOIs
出版狀態已出版 - 08 1996
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