Hemifacial spasm is diagnosed on a clinical base, with certain atypical features alerting the physician for mimics. Hemifacial neuromyotonia/myokymia characterized by tonic hemifacial contraction followed by multifocal undulating hemifacial twitches. These features are a red flag for (post-irradiation) facial neuromyotonia/myokymia which generally responds well to low dose carbamazepine. Copyright: © 2021 The Author(s).
Bart E K S Swinnen, J H T M Koelman, A F van Rootselaar. Post-Irradiation Facial Neuromyotonia/Myokymia: A Hemifacial Spasm Mimic. Tremor and other hyperkinetic movements (New York, N.Y.). 2021;11:36
PMID: 34692229
View Full Text