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PURPOSE To evaluate angiographic and clinical results in patients with a dural arteriovenous fistula (AVF) who underwent percutaneous transvenous embolization. MATERIALS AND METHODS Retrospective chart analysis and radiologic studies were performed in 24 patients (aged 20-87 years) with a dural AVF treated with percutaneous transvenous embolization.(More)
OBJECTIVE To evaluate seizures as first clinical manifestation of brain arteriovenous malformations (AVMs), in relation to angioarchitectural features of these vascular anomalies. METHODS We performed a prospective observational study, collecting records of patients with AVMs consecutively admitted to the Neurological and Neurosurgery Units of Perugia(More)
The authors describe magnetic resonance imaging (MRI) findings in 15 subjects with different clinical stages of Leber's disease. A few and no characteristic abnormalities of the optic nerve signal were found. Nevertheless, MRI can be considered as a useful tool to differentiate optic neuritis together with visual and brainstem auditory evoked potentials.
PURPOSE To describe the CT and MR findings in the brain and spinal cord of patients with cerebrotendinous xanthomatosis and to seek possible correlations between clinical, biochemical (cholestanol levels), and neuroimaging findings. METHODS Ten patients with well-defined clinical and biochemical diagnoses of cerebrotendinous xanthomatosis were examined.(More)
The SEPIVAC study is a community-based epidemiological survey of incidence and outcome of acute cerebrovascular disease in the Sixth Local Health Unit, Umbria, Italy (population 49,218). The study was carried out from 1 September 1986 to 31 August 1989. There were 375 patients who were registered with a first ever stroke, with a crude rate of 2.54 (95%(More)
The presence of a dense appearance of the horizontal part of the middle cerebral artery (the "dense middle cerebral artery sign") was looked for on CT scans taken on admission in 90 consecutive patients with ischemic stroke in the carotid artery distribution. The outcome of the 14 patients with the sign was poorer than that of 76 patients without the sign(More)
BACKGROUND AND PURPOSE The relative frequency of computed tomographic evidence of old cerebral infarctions without prior history of stroke, and their effect on short- and long-term outcome of patients with first-ever ischemic stroke, are currently unknown. Silent infarctions may relate to specific risk factors and may influence the rate of survival free of(More)
OBJECTIVES The first objective was to identify variations in patient management practice patterns after potentially curative lung cancer surgery. Patient management practice patterns were expected to range from intensive follow-up to no active surveillance. The second objective was to measure whether intensity of follow-up was related to patient outcomes.(More)
PURPOSE Evaluation of cerebral blood volume (CBV) with magnetic resonance (MR) imaging can differentiate low-grade from high-grade gliomas. The percentage of signal recovery (PSR) in the venous phase of perfusion curves is inversely proportional to blood-brain barrier (BBB) permeability. Since even BBB permeability relates to glioma malignancy grade, we(More)
Multi-infarct dementia (MID) indicates a dementia disorder primarily caused by multiple cerebral infarcts. Since other pathogenetic mechanisms cause vascular dementia we evaluated clinical, CT scan and CSF neurochemical parameters of 134 MID and 67 PVD (probable vascular dementia) patients. We found no differences with regard to the presence of major risk(More)