Post-irradiation neuromyotonia in bilateral facial and trigeminal nerve distribution.
We describe a patient with episodic involuntary contraction in the lower facial and masseter muscles, in whom we recorded neuromyotonic discharges. The neuromyotonia was a delayed effect of radiation therapy and responded to carbamazepine therapy.
Martí-Fàbregas
J
J
Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain.
Montero
J
J
López-Villegas
D
D
Quer
M
M
D002220:Carbamazepine / Q000627:therapeutic use; D003389:Cranial Nerve Diseases / Q000188:drug therapy / Q000209:etiology; D003390:Cranial Nerve Neoplasms / Q000532:radiotherapy; D005152:Facial Muscles; D005154:Facial Nerve; D005930:Glossopharyngeal Nerve; D006801:Humans; D008297:Male; D008875:Middle Aged; D009222:Myotonia / Q000209:etiology*; D011832:Radiation Injuries / Q000150:complications*; D014276:Trigeminal Nerve
D002220:Carbamazepine