Neuromiotonía ocular: un infrecuente caso tras carcinoma nasofaríngeo tratado con radioterapia local

A.M. Blanco López , M. Rodríguez Enríquez
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Abstract

Ocular neuromyotonia is an infrequent disorder characterised by recurrent episodes of binocular diplopia caused by paroxysmal contraction of one or several extraocular muscles innervated by the same cranial nerve. It can be triggered spontaneously or caused by prolonged contraction of specific eye muscle(s) and is usually related to a local intracranial radiotherapy antecedent.

We report the case of a 46-year-old woman who developed intermittent episodes of binocular diplopia 8 years after radiotherapy for a nasopharyngeal carcinoma. After a complete neuro-ophthalmic assessment we diagnosed the case as an abducens nerve neuromyotonia.

Although it is infrequent, radiotherapy to the nasopharynx is a possible cause of ocular neuromyotonia, due to the proximity to the base of the skull and extraocular motor nerve pathways, especially that of the VI cranial nerve, as is the case presented in this article, about a patient whose history is a nasopharyngeal carcinoma treated with local radiotherapy.

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眼部神经肌张力障碍:鼻咽癌局部放疗后的罕见病例
眼神经肌张力障碍是一种不常见的疾病,其特征是由同一颅神经支配的一条或数条眼外肌阵发性收缩引起的反复发作的双眼复视。我们报告了一例 46 岁女性患者的病例,她在鼻咽癌放疗 8 年后出现间歇性双眼复视。虽然鼻咽部放疗并不常见,但由于鼻咽部邻近颅底和眼外运动神经通路,尤其是第六颅神经通路,因此也有可能导致眼球神经肌张力障碍。
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
109
审稿时长
78 days
期刊介绍: La revista Archivos de la Sociedad Española de Oftalmología, editada mensualmente por la propia Sociedad, tiene como objetivo publicar trabajos de investigación básica y clínica como artículos originales; casos clínicos, innovaciones técnicas y correlaciones clinicopatológicas en forma de comunicaciones cortas; editoriales; revisiones; cartas al editor; comentarios de libros; información de eventos; noticias personales y anuncios comerciales, así como trabajos de temas históricos y motivos inconográficos relacionados con la Oftalmología. El título abreviado es Arch Soc Esp Oftalmol, y debe ser utilizado en bibliografías, notas a pie de página y referencias bibliográficas.
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