Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Case Reports
Visual Activation Positron Emission Tomography for Presurgical Evaluation of Occipital Lobe Epilepsy
—Case Report—
Hideyuki NAKAMA, Satoru OHTOMO, Taisuke OTSUKI, Yuu KANEKO, Takashi OHNISHI, Hiroshi MATSUDA
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Keywords: occipital lobe epilepsy, functional mapping, positron emission tomography, electrical stimulation, visual cortex
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2002 Volume 42 Issue 8 Pages 356-360

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Abstract

A 14-year-old boy suffered from daily epileptic seizures originating from the left polymicrogyric occipital cortex. Visual activation positron emission tomography (PET) was used to map the function of the occipital cortex presurgically. Loss of visual function in the left occipital cortex was suggested by both visual activation PET and electrical cortical stimulation. Left occipital lobectomy resulted in a completely seizure-free status without deterioration in the visual function. Preoperative evaluation of the visual function in the epileptogenic occipital cortex by activation studies using PET or functional magnetic resonance imaging is the key to the successful surgical treatment of occipital lobe epilepsy.

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© 2002 by The Japan Neurosurgical Society

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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