Abstract:Introduction:
Hemifacial spasm represents a segmental myoclonus of muscles innervated by the facial nerve, which is usually and successfully treated with botulinum toxin. Botulinum toxin (BTX) acts as acetylcholine release inhibitor at presynaptic cholinergic junctions and therefore is considered contraindicated (or administrable with caution) in patients with neuromuscular disorders like myasthenia gravis (MG). Moreover, to date the association of hemifacial spasm and ocular MG is extremely rare and only few… Show more
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