{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T01:59:04Z","timestamp":1773453544831,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2018,2,9]],"date-time":"2018-02-09T00:00:00Z","timestamp":1518134400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2018,10]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Outcome prediction of asymmetrical prominent cortical veins (APCVs) on infarction is still debated and may help in selecting patients for reperfusion treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To explore the relationship between fewer peripheral APCVs and the outcome in the patients of acute\/subacute middle cerebral artery (MCA) infarctions as well as the relationship between this sign and stenosis of ipsilateral MCA.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Type<\/jats:title><jats:p>Retrospective case\u2013control study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>We enrolled 41 patients with MCA acute\/subacute infarction. Compared to the low sign of cortical veins of contralateral hemisphere on susceptibility\u2010weighted imaging (SWI), these patients were divided into fewer (<jats:italic>n<\/jats:italic>\u2009=\u200928) and prominent APCVs (<jats:italic>n<\/jats:italic>\u2009=\u200913) groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Field Strength\/Sequence<\/jats:title><jats:p>3.0T conventional stroke sequences, including T<jats:sub>1<\/jats:sub>\u2010weighted imaging, T<jats:sub>2<\/jats:sub>\u2010weighted imaging, fluid\u2010attenuated inversion recovery (FLAIR), diffusion\u2010weighted imaging (DWI) (b\u2009=\u20090 and 1000 s\/mm<jats:sup>2<\/jats:sup>), MR angiography (MRA), and SWI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment<\/jats:title><jats:p>We explored the relationships between fewer peripheral APCVs sign and clinical outcome, as well as the relationship between this sign and the degree of ipsilateral MCA stenosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Statistical Tests<\/jats:title><jats:p>Fisher's exact analysis, logistical regression, as well as Cohen's kappa coefficient were used for statistical analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Fewer and prominent peripheral APCVs were detected in 28 (56.10%) and 13 (43.90%) patients. In 28 patients with fewer peripheral APCVs, 23 patients (82.14%) had a favorable outcome (modified Rankin Scale [mRS] \u22642), and five patients (17.76%) had an unfavorable outcome (mRS &gt;2) (<jats:italic>P<\/jats:italic>\u2009=\u20090.010). In terms of MCA stenosis, the rate of normal and mild to moderate stenosis of MCA in the fewer APCVs group (82.14%) was higher than that in the prominent APCVs group (23.08%) (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). More severe stenosis of ipsilateral MCA was found in patients with prominent APCVs group (76.92%) than that of fewer APCVs group (17.86%). The peripheral APCVs was positively correlated with the degree of MCA stenosis (<jats:italic>r<\/jats:italic>\u2009=\u20090.538, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Conclusion<\/jats:title><jats:p>Fewer peripheral APCVs may suggest a favorable outcome in unilateral MCA infarction. The patency of ipsilateral MCA may correlate to fewer APCVs and favorable outcome.<\/jats:p><jats:p><jats:bold>Level of Evidence:<\/jats:bold> 3<\/jats:p><jats:p><jats:bold>Technical Efficacy:<\/jats:bold> Stage 5<\/jats:p><jats:p>J. Magn. Reson. 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