8B88.2
Hemifacial spasm
Espasmo hemifacial
CategoryDefinition
Hemifacial spasm (HFS) is a movement disorder most commonly caused by vascular compression of the VII cranial nerve at its root exit zone from the brainstem. It manifests as involuntary contractions and twitching on ipsilateral side of the face.
Index Terms
Hemifacial spasmClonic hemifacial spasmmyoclonus facial spasmfacial spasm NECBell spasm