[Masseter spasm as the presenting feature of malignant hyperpyrexia syndrome. A case report].
D000328:Adult; D006801:Humans; D008297:Male; D008305:Malignant Hyperthermia / Q000150:complications*; D008410:Masticatory Muscles / Q000503:physiopathology; D013035:Spasm / Q000209:etiology*