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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)
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)
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)
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)
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)
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 carried out(More)
The SEPIVAC study is a community-based epidemiological survey of incidence and outcome of transient ischaemic attacks (TIAs) and strokes in the territory of the 6th Local Health Unit, Umbria, Italy, where 49218 people live, from 1 September 1986 to 31 August 1989. All cases were registered with the study either by notification from general practitioners(More)
Three patients with calcification of the posterior longitudinal ligament with myelopathy are reported and discussed. This condition which is frequent in Japan is rarely described in the western population. Such calcification is not only a radiographic finding but is a progressing phenomenon which may extend to compressive lesions of the spinal cord. All(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.