Bilateral oculomotor ocular neuromyotonia: a case report.

ABSTRACT:

Background

Ocular neuromyotonia (ONM) is characterized by episodic diplopia, which is usually triggered by prolonged eccentric gaze of the affected extraocular muscles. The spell is characterized by involuntary, occasionally painful, sustained contraction of one or more extraocular muscles innervated by the oculomotor, trochlear, or abducens nerve. ONM usually occurs as a late consequence of radiotherapy around the parasellar area, although idiopathic cases have been reported. Most cases are unilateral; however, bilateral ONM has occasionally been described.

Case presentation

A 60-year-old woman presented with a 4-month history of episodic, painful, horizontal binocular diplopia. She underwent external beam radiotherapy to the skull base for treatment of nasopharyngeal carci

SUBMITTER: Padungkiatsagul T 

PROVIDER: S-EPMC6120096 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature