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Abstract #1609

Evaluating cervical artery dissections in young adults - A Comparison Study between High-Resolution MRI and CT Angiography

Xiao Cui1, Xianshun Yuan1, Hui Gu1, Mo Wang2, Yin Dong1, Ximing Wang1, and Xiang Feng3
1Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China, 2Department of Vascular Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China, 3MR Scientific Marketing, Diagnosis Imaging, Siemens Healthcare Ltd, Beijing, China

This study aimed to compare the diagnostic values between HR-MRI and CTA in young adults with cervical artery dissections. Totally 42 patients with ischemic stroke were recruited, including 20 carotid artery dissections, 12 vertebral artery dissections and 10 non-dissected cervical arteries. Two radiologists separately analyzed all the images. According to the radiologists’ scores for the likelihood of the dissections, positive predictive value, negative predictive value, sensitivity and specificity for both modalities were calculated. We found the higher sensitivity and specificity of HR-MRI. This study supports the value of HR-MRI in non-invasive diagnosis of young adults due to cervical artery dissections.

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