The Usefulness Of 3d-Ct Angiography For The Diagnosis Of Spontaneous Vertebral Artery Dissection - Report Of Two Cases
COMPUTERIZED MEDICAL IMAGING AND GRAPHICS(2000)
摘要
Spontaneous vertebral artery dissection (VAD) has been recognized as being more common than was first thought, with the growing use of magnetic resonance imaging (MRI). However, simple MRI alone is not always satisfactory for making an accurate diagnosis. We experienced two cases of VAD in our clinic, in which three-dimensional computed tomographic angiography (3D-CTA) was performed. Our scanner has the capability of examining a slice of 1 mm thick, 0.5 mm reconstruction pitch, and a scan time of 1 s/rotation. 3D-CTA clearly demonstrated the stenotic change concomitant with the surrounding thrombus and was thought to be useful for making an accurate diagnosis. (C) 2000 Elsevier Science Ltd. All rights reserved.
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关键词
dissecting aneurysm,fusiform aneurysm,helical CT,MR angiography,spiral CT,spontaneous dissection,vertebral artery
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