Giroud M, Walker P, Bernard D, Fayolle H, Beaurain J, Baudoin N, Brunotte F, Dumas R. Preliminary observations of metabolic characterization of bilateral temporal epileptic focus, using proton magnetic resonance spectroscopy. Three cases.
Neurol Res 1994;
16:481-3. [PMID:
7708143 DOI:
10.1080/01616412.1994.11740279]
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Abstract
The authors report the case of 3 patients with bilateral temporal lobe epilepsy demonstrated by EEG and sphenoïdal electrodes. Two out of the 3 patients presented with childhood febrile convulsions. Their neurological and mental examination was normal. EEG showed spikes within the anterior part of the 2 temporal lobes. CT scan and MRI showed no atrophic lesion within the 2 temporal lobes. Proton magnetic resonance spectroscopy, performed within a cube of 8 cube-centimetres localized in the anterior part of the 2 temporal lobes showed a significant decrease of N-acetyl-aspartate in the 2 temporal lobes of the 3 cases, compared with controls matched with age, sex and laterality. Because N-acetyl-aspartate is a marker of the neuronal cells, the decreased level of NAA in the temporal area with spikes, may be related to a decreased number of neuronal cells, developing an abnormal tendency to seizures.
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