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The best results of stereoelectroencephalography (SEEG)-guided radiofrequency thermocoagulation (RF-TC) were observed in epilepsies with more limited lesions, but this procedure is rarely used in a wide range of brain malformation. We report a rare case of polymicrogyria (PMG) combined with
Polymicrogyria (PMG) is a heterogeneous malformation of cortical development characterized by excessive gyration and abnormal cortical lamination. Typically, bilateral forms have more severe developmental delay and early-onset epilepsy, but the full spectrum of severity remains ill-defined. We
A 20 year-old woman began to have epileptic attacks of focal inhibitory seizure with paralysis and hypesthesia of her left or right upper limb followed by complex partial seizure several times a week since age 19. She was born by breech presentation and umbilical cord was coiling around her neck at
BACKGROUND
Mirror movements (MM) are involuntary movements during the voluntary movements of the contralateral homologous body parts.
RESULTS
We report a patient with an increase in MM after suffering an epileptic seizure of his upper and lower limbs due to the right frontoparietal polymicrogyria,
OBJECTIVE
Patients with cortical malformations often have intractable seizures and are candidates for epilepsy surgery. Within an unselected series of patients with various forms of cortical malformation, nine patients with multilobar polymicrogyria had electrical status epilepticus during sleep
Polymicrogyria is a cerebral cortical malformation characterized by an excessively folded cortical ribbon of miniature and individually thin convolutions. Although polymicrogyria is a highly epileptogenic lesion, its epileptogenic mechanism is unclear. The anomalous cortex associated with
OBJECTIVE
Megalencephaly (MEG) or enlarged brain occurs as a mild familial variant with normal brain structure, but otherwise is an uncommon human brain malformation that may be associated with significant developmental and neurological problems. It has been classified into anatomic and metabolic
OBJECTIVE
To elucidate the pathophysiology of intractable epileptic spasms in older children by describing the interictal magnetoencephalography spike sources (MEGSSs), intracranial EEG ictal-onset zones (IOZs) and their ictal high-frequency oscillations (HFOs) and surgical outcomes.
METHODS
We
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)
OBJECTIVE
To present long-term outcome and to identify predictors of seizure freedom after vagus nerve stimulation (VNS).
METHODS
All patients who had undergone VNS implantation in the Epilepsy Centre Bethel were retrospectively reviewed. There were 144 patients who had undergone complete
We studied the effects of vagus nerve stimulation (VNS) on eating seizures, which theoretically would be triggered by neural activity and signaling from organs innervated by the vagus nerve. Three adult patients with daily nonreflex and reflex eating seizures were studied; one patient also had
Polymicrogyria is a significant malformation of cortical development with a high incidence of epilepsy and cognitive deficits. Graph theoretic analysis is a useful approach to studying network organization in brain disorders. In this study, we used task-free functional magnetic resonance imaging
We describe 9 patients with a bilateral malformation of cortical development, centered around the parasagittal and mesial aspects of the parietooccipital cortex, with magnetic resonance imaging findings suggestive of polymicrogyria. No familial distribution or etiologic factors were identified.
Bi-allelic loss-of-function variants in LAMC3, encoding extracellular matrix protein laminin gamma 3, represent a rare cause of occipital polymicrogyria with epilepsy, developmental delay and cognitive impairment. So far, only five families have been reported. We now identified a novel, homozygous
We compared the electroclinical features and evolution of patients with two different types of abnormal cortical organization: unilateral closed-lip schizencephaly (SCHZ) and unilateral polymicrogyria (PMG). Between February 1990 and June 2002, 51 children with either unilateral PMG or closed-lip