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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