منابع مشابه
Multimodality localization of epileptic foci
This paper presents a multimodality approach for the localization of epileptic foci using PET, MRI and EEG combined without the need of external markers. Mutual Information algorithm is used for MRI-PET registration. Dipole coordinates (provided by BESA software) are projected onto the MRI using a specifically developed algorithm. The four anatomical references used for electrode positioning (n...
متن کاملA common pattern of persistent gene activation in human neocortical epileptic foci.
Epilepsy is a disease of recurrent seizures that can develop after a wide range of brain insults. Although surgical resection of focal regions of seizure onset can result in clinical improvement, the molecular mechanisms that produce and maintain focal hyperexcitability are not understood. Here, we demonstrate a regional, persistent induction of a common group of genes in human epileptic neocor...
متن کاملCongruence of the topography of intracranial calcifications and epileptic foci.
Nodular intracranial calcifications (NIC) are frequent findings in CT scans of epileptic patients in countries where granulomatous central nervous disease such as neurocysticercosis is endemic. In 34 consecutive epileptic patients with NIC submitted to EEG, CT and CSF analysis, the correlation between the electroclinical localization of the focus and the topography of the NIC was studied. Twent...
متن کاملPositron Emission Tomography in Presurgical Localization of Epileptic Foci
Ictal intracranial EEG correlates of cortical FDG and FMZ PET abnormalities in patients with neocortical epilepsy…………………. 21 4.1.1. FMZ PET is more sensitive than FDG PET in detection of seizure onset defined by intracranial EEG monitoring……21 4.1.2. Seizure onset occurs most often at the border of cortex with glucose hypometabolism……………………………….. 21 4.2. Electroclinical correlates of FDG and FM...
متن کاملLocalisation of epileptic foci using novel imaging modalities
PURPOSE OF REVIEW This review examines recent reports on the use of advanced techniques to map the regions and networks involved during focal epileptic seizure generation in humans. RECENT FINDINGS A number of imaging techniques are capable of providing new localizing information on the ictal processes and epileptogenic zone. Evaluating the clinical utility of these findings has been mainly p...
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ژورنال
عنوان ژورنال: Pediatric Neurology Briefs
سال: 1998
ISSN: 2166-6482,1043-3155
DOI: 10.15844/pedneurbriefs-12-12-5