Comparison of 3D magnetic resonance imaging and digital subtraction angiography for intracranial artery stenosis

European Radiology
Ji Eun ParkJ S Kim

Abstract

To compare three-dimensional high-resolution magnetic resonance imaging (3D HR-MRI) and digital subtraction angiography (DSA) for diagnosing and evaluating stenosis in the entire circle of Willis. The study included 516 intracranial arteries from 43 patients with intracranial artery stenosis (ICAS) who underwent both 3D HR-MRI and DSA within 1 month. Two readers independently diagnosed atherosclerosis, dissection, moyamoya disease and vasculitis, rated their diagnostic confidence for each vessel and measured the luminal diameters. Reference standard was made from clinico-radiologic diagnosis. Diagnostic accuracy, diagnostic confidence, the degree of stenosis and luminal diameter were assessed and compared between both modalities. For atherosclerosis, 3D HR-MRI showed better diagnostic accuracy (P = .03-.003), sensitivity (P = .006-.01) and positive predictive value (P ≤ .001-.006) compared to DSA. Overall, the readers were more confident of their diagnosis of ICAS when using 3D HR-MRI (reader 1, P ≤ .001-.007; reader 2, P ≤ .001-.015). 3D HR-MRI showed similar degree of stenosis (P > .05) and higher luminal diameter (P < .05) compared to DSA. 3D HR-MRI might be useful to evaluate atherosclerosis, with better diagnostic confiden...Continue Reading

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Citations

Feb 26, 2019·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Chong Hyun SuhSe Jin Cho
Oct 30, 2020·Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging·Tobias GreveJan S Kirschke
Apr 4, 2021·Journal of Personalized Medicine·Pieter H NienhuisRiemer H J A Slart
Apr 17, 2021·AJNR. American Journal of Neuroradiology·J DingY Liu
Jul 9, 2021·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Jie-Ji ZhaoZhuan Xu

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