Background and Purpose No previous study has compared the reliability of carotid artery
measurement provided by axial images, shaded surface display (SSD), and maximum …

PURPOSE To evaluate the accuracy of CT angiography of occlusive disease of the carotid
arteries using three-dimensional surface-rendered images alone and in conjunction with …

BACKGROUND AND PURPOSE: To compare multisection CT angiography (CTA) analyzed
with source/maximum intensity projection (MIP) images as well as semiautomated vessel …

PURPOSE: Carotid artery stenosis quantification uses percent diameter ratios from
conventional angiography. Multidetector high-speed CT angiography (CTA) allows direct …

PURPOSE: Carotid stenosis quantification traditionally uses measurements of narrowest
stenosis diameter. The stenotic carotid lumen, however, is often irregularly shaped. New …

BACKGROUND Prevention of stroke is aided by determination of the degree of carotid artery
stenosis and progression of arterial sclerosis. Three-dimensional computed tomography …

PURPOSE: To determine the reliability of helical computed tomography (CT) with volume
rendering for evaluation of internal carotid arterial stenosis. MATERIALS AND METHODS: In …

BACKGROUND/PURPOSE: Identification of carotid near-occlusion is essential before
calculation of percent stenosis because stroke risk is lower than other severe stenosis and …

Background and Purpose—Computed tomographic angiography (CTA) is a relatively new
and minimally invasive method of imaging intracranial and extracranial blood vessels. The …

This study assesses artifactual luminal distortion, or eccentricity, that affects measurement of
stenosis on CT angiography performed with a variety of helical protocols. A 32-vessel …