Schwingenschuh, P; Cordivari, C; Czerny, J; Esposito, M; Bhatia, KP.
Tremor on smiling.
Mov Disord. 2009; 24(10):1542-1545
Doi: 10.1002/mds.22666
(- Case Report)
Web of SciencePubMedFullTextFullText_MUG
Facial tremor occurring on smiling is a rare phenomenon and has been described (to the best of our knowledge) in the literature only once. We describe two patients who presented with a bilateral facial tremor that occurred only on smiling and other activation of therisorii muscles and had a high frequency of 9 Hz. One patient additionally suffered from young-onset Parkinson's disease, whereas the other had no further neurological symptoms or signs apart from this tremor. Anti-parkinsonian medication was unhelpful for the facial tremor in the patient with Parkinson's disease. Tremor on smiling may be a discrete entity or may be associated in some cases of Parkinson's disease.
Find related publications in this database (using NLM MeSH Indexing)