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October 1986

Pilomotor Seizures: Magnetic Resonance Imaging and Electroencephalographic Localization of Originating Focus

Author Affiliations

From the Department of Neurology, University of Virginia School of Medicine, Charlottesville.

Arch Neurol. 1986;43(10):1085-1086. doi:10.1001/archneur.1986.00520100089022

Pilomotor seizures are a dramatic and rare manifestation of epilepsy. In a review of 100 cases of visceral epilepsy,1 only two patients had pilomotor erection as part of the seizure phenomena. Since the first description by Féré2,3 at the turn of the century, there have been only five other reported cases to our knowledge.4-8 We have studied a new case lending insight into the mechanism of piloerection and demonstrating the usefulness of nasopharyngeal electroencephalographic (EEG) recording and magnetic resonance imaging (MRI) in the evaluation of a patient with pilomotor seizures.

REPORT OF A CASE  A 58-year-old right-handed man suddenly began to have pilomotor seizures every 30 minutes for several days. These consisted of recurrent episodes of piloerection, ascending the arms to the neck and head, and concomitantly he noted epigastric tingling lasting 30 seconds without change in consciousness. Results of a neurologic examination and routine laboratory