[Basilar impression as a cause of hemifacial spasm].
D004194:Disease; D005145:Face; D019569:Hemifacial Spasm; D006801:Humans; D010985:Platybasia; D012886:Skull / Q000002:abnormalities*; D013035:Spasm / Q000209:etiology*
FACE/diseases; SKULL/abnormalities; SPASM/etiology