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Surgical Management of Hemifacial Spasm and Meige Syndrome
Hemifacial Spasm Introduction Hemifacial spasm (HFS) is a unilateral, involuntary, paroxysmal movement of facial muscles innervated by the ipsilateral facial nerve. Its characteristic features include tonic–clonic contractions and synkinesis of the muscles. These symptoms usually start from the orbicularis oculi…