Recurrence of Epileptic Spasms as Reflex Seizures Induced by Eating: A Case Report and Literature Review

Abstract

Background Eating epilepsy (EE) is a rare form of reflex epilepsy in which seizures are induced by eating. It is known that most patients with eating seizures, in fact, suffer from symptomatic temporal lobe epilepsy (TLE), whereas only a few patients with epileptic spasms induced by eating (E-ES) have been reported.

Patient Description The patient was an 8-year-old girl whose magnetic resonance imaging (MRI) of the head detected dysgenesis of the corpus callosum, cerebellar hypogenesis, marked cerebral asymmetry, broad polymicrogyria, periventricular heterotopia, and closed lip-type schizencephaly. She experienced E-ES as the second form of recurrent seizures after the first recurrence of spontaneous ES. After E-ES occurred, the EEG findings in the right hemisphere, predominantly over the right centrotemporal region, were clearly exacerbated, although the interictal EEG originally showed left-side–dominant asymmetric hypsarrhythmia. The ictal EEG of the E-ES showed diffuse large triphasic (negative-positive-negative) potentials, predominantly over the right centrotemporoparietal region.

Conclusions This is a unique case because the E-ES were recurrent ES, although the previous ES were spontaneous, which may provide insight into the mechanism of E-ES.

Keywords

eating epilepsy - epileptic spasms - reflex seizures - topiramate

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