Idiopathic ocular neuromyotonia: a neurovascular compression syndrome?
case_report · Level V
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- Record sourced from PubMed, PMID 11032618.
- Also identified by PMC identifier 1763409.
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Abstract
Ocular neuromyotonia in the muscles innervated by the right oculomotor nerve was diagnosed in a patient without a history of radiation therapy. Electromyography of the levator palpebrae showed continuous motor unit activity. Brain MRI disclosed a close contact between the right third cranial nerve and a basilar artery dolichoectasia. The patient partly benefited from carbamazepine therapy. This unique finding suggests that neurovascular compression syndrome could be an hitherto unrecognised cause of ocular neuromyotonia.
Medical subject headings
- Isaacs Syndrome
- Nerve Compression Syndromes
- Oculomotor Muscles
- Oculomotor Nerve