BACKGROUND AND PURPOSE: Semiautomated methods for ICA stenosis measurements have the potential to reduce interobserver variability and to speed up its analysis. In this study, we estimate the precision and accuracy of a semiautomated measurement for carotid artery stenosis degree and identify and explain differences compared with the manual method.
BACKGROUND AND PURPOSE:Recent research showed a strong correlation of calcium volume scores with degree of stenosis, suggesting that calcium volume could be used in the diagnosis of carotid artery stenosis. We investigated the accuracy of the use of calcium volume scores to diagnose carotid artery stenosis in our target population of recently symptomatic patients.
Dural arterial-venous fistulas (dAVf) are acquired vascular lesions that can give a variety of symptoms, depending on anatomical localization and venous drainage pattern. We present a very unusual case of a dAVf localized at the level of the optic nerve sheath including discussion of the vascular anatomy and treatment options.
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