Head and Neck Imaging
Application Value of Multi-slice Spiral CT Angiography in the Diagnosis of Carotid Artery Dissection
Author：FANG Wen-hao, LV Fa-jin, ZHANG Ya-lin,et al.
affiliation：Department of Radiology, Changsha Center Hospital, Changsha 410004, Hunan Province, China
PDFAbstract
Objective To investigate the diagnostic value of multi-slice spiral CT angiography for carotid artery dissection. Methods Twenty-nine patients with carotid artery dissection confirmed by DSA were analyzed on imagine features of multi-slice spiral CTangiography and DSA. Results Compared with digital subtraction angiography, the sensitivity of multi-slicespiralCTangiography for carotid artery dissection was 96.8%, the specificity was 98.8%, the positive predictive value was 93.7%, the negative predictive value was 99.4%, and the accuracy was 98.5%. CTA showed the double lumen sign(n=12, 42.9%). The DSA showed the line like sign(n=15, 52%). Conclusion The results suggest that multi-slice spiral CT angiography has high sensitivity and specificity. It can be an important non-invasive diagnositic method for evaluating carotid artery dissection.
【Keyword】Aneurysm Dissection; Cervical Artery; Angiography; X-ray Computed
【Chart number】R814.42
【Document Identification Number】A
【DOI】 10.3969/j.issn.1672- 5131.2017.03.003
Chinese journal of CT and MRI
th15Volume， th 3 Issue
2017Year03Month
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