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Clinical, radiological, and histopathological features of 51 surgically treated gangliogliomas were evaluated retrospectively. The most common presenting symptoms were epileptic seizures (47 patients (92%)). Focal neurological deficits occurred in 8% of the patients. The duration of symptoms at the time of operation ranged from three months to 45 years,(More)
The surgical treatment of chronic epilepsies is increasing rapidly. Here we report the histopathologic findings in 216 consecutive surgical specimens of patients with chronic pharmacoresistant temporal lobe epilepsy. In 75 cases (34.7%) there were tumors, all but two of which were of low histopathological grade (WHO grade I or II). The most common tumors(More)
OBJECTIVE To determine the change of incidence and prevalence of neurological disorders caused by the human immunodeficiency virus (HIV) and opportunistic infections in HIV positive patients under treatment since the introduction of highly active antiretroviral therapy (HAART). METHODS The data of all HIV infected patients were retrospectively analysed,(More)
Intracarotid sodium amytal (ISA) procedures are commonly used to determine the lateralization of language and memory functions in presurgical evaluation of epileptic patients. Besides, they provide a means for studying putative hemispheric asymmetries in the organization of emotional behavior. In this study, we report the incidence of negative emotional(More)
Contrary to malignant melanoma, nevi are a benign form of melanocytic hyperproliferation. They are frequently observed as precursor lesions of melanoma, but they also feature biochemical markers of senescence. In particular, evidence for oncogene-induced melanocyte senescence as natural means to prevent tumorigenesis has been obtained in nevi with mutated(More)
To establish whether transcranial magnetic stimulation is able to activate the primary epileptic focus preferentially, 13 patients who had medically intractable complex partial seizures were examined prior to surgical therapy. Single or a series of magnetic stimuli were applied to various regions of the skull. The effects of transcranial magnetic(More)
Magnetic motor-evoked potentials were recorded in 53 patients with medically intractable, mainly temporal lobe epilepsy and compared with potentials of 110 healthy volunteers. The motor-evoked potentials were reevaluated in 16 of the 53 patients after substantial reduction of antiepileptic drug doses. The objective was to assess the effect of epilepsy and(More)
48 patients with medically intractable epilepsy were submitted to a total of 60 series of transcranial magnetic stimulation. Effects of transcranial magnetic stimulation were monitored via subdural electrodes. The aim of the study was to investigate the use and reliability of the method for the localization and delineation of the epileptic focus in the(More)
Electrocorticograms of 192 complex partial seizures which were recorded via chronically implanted subdural electrodes during presurgical evaluation of 64 patients with medically intractable epilepsy were visually analysed. The objective was to assess the diagnostic and prognostic relevance of postictal slow foci (PISF) in the electrocorticogram which were(More)