{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T21:20:41Z","timestamp":1791494441613,"version":"4.3.4"},"reference-count":38,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T00:00:00Z","timestamp":1632441600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000861","name":"Burroughs Wellcome Fund","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000861","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000065","name":"National Institute of Neurological Disorders and Stroke","doi-asserted-by":"publisher","award":["1R01NS107887\u201001"],"award-info":[{"award-number":["1R01NS107887\u201001"]}],"id":[{"id":"10.13039\/100000065","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000065","name":"National Institute of Neurological Disorders and Stroke","doi-asserted-by":"publisher","award":["5U01NS104157\u201002"],"award-info":[{"award-number":["5U01NS104157\u201002"]}],"id":[{"id":"10.13039\/100000065","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000065","name":"National Institute of Neurological Disorders and Stroke","doi-asserted-by":"publisher","award":["R21NS087328"],"award-info":[{"award-number":["R21NS087328"]}],"id":[{"id":"10.13039\/100000065","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008140","name":"Pritzker School of Medicine","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008140","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Cerebral cavernous angioma (CA) is a capillary vasculopathy affecting more than a million Americans with a small fraction of cases demonstrating lesional bleed or growth with major clinical sequelae. Perfusion and permeability are fundamental features of CA pathophysiology, but their role as prognostic biomarkers is unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To investigate whether perfusion or permeability lesional descriptors derived from dynamic contrast\u2010enhanced quantitative perfusion (DCEQP) magnetic resonance imaging (MRI) can predict subsequent lesional bleed\/growth in the year following imaging.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Type<\/jats:title><jats:p>Single\u2010site case\u2010controlled study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Subjects<\/jats:title><jats:p>Two hundred and five consecutively enrolled patients (63.4% female).<\/jats:p><\/jats:sec><jats:sec><jats:title>Field Strength\/Sequence<\/jats:title><jats:p>Three\u2010Tesla\/T<jats:sub>1<\/jats:sub>\u2010mapping with contrast\u2010enhanced dynamic two\u2010dimensional (2D) spoiled gradient recalled acquisition (SPGR) sequences.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment<\/jats:title><jats:p>Prognostic associations with bleed\/growth (present or absent) in the following year were assessed in 745 CA lesions evaluated by DCEQP in the 205 patients in relation to lesional descriptors calculated from permeability and perfusion maps. A subgroup of 30 cases also underwent peripheral blood collection at the time of DCEQP scans and assays of plasma levels of soluble CD14, IL\u20101\u03b2, VEGF, and soluble ROBO4 proteins, whose weighted combination had been previously reported in association with future CA bleeding.<\/jats:p><\/jats:sec><jats:sec><jats:title>Statistical Tests<\/jats:title><jats:p>Mann\u2013Whitney<jats:italic>U<\/jats:italic>\u2010test for univariate analyses. Logistic regression models minimizing the Bayesian information criterion (BIC), testing sensitivity and specificity (receiver operating characteristic curves) of weighted combinations of parameters.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The best prognostic biomarker for lesional bleed or growth included brainstem lesion location, mean lesional permeability, and low\u2010value perfusion cluster mean (BIC\u00a0=\u00a0201.5, sensitivity\u00a0=\u00a077%, specificity\u00a0=\u00a072%,<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). Adding a previously published prognostic plasma protein biomarker improved the performance of the imaging model (sensitivity\u00a0=\u00a0100%, specificity\u00a0=\u00a088%,<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Conclusion<\/jats:title><jats:p>A combination of MRI\u2010based descriptors reflecting higher lesional permeability and lower perfusion cluster may potentially predict future bleed\/growth in CAs. The sensitivity and specificity of the prognostic imaging biomarker can be enhanced when combined with brainstem lesion location and a plasma protein biomarker of CA hemorrhage.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>2<\/jats:p><\/jats:sec><jats:sec><jats:title>Technical Efficacy<\/jats:title><jats:p>Stage 5<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.27935","type":"journal-article","created":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T23:04:12Z","timestamp":1632524652000},"page":"1440-1449","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Perfusion and Permeability<scp>MRI<\/scp>Predicts Future Cavernous Angioma Hemorrhage and Growth"],"prefix":"10.1002","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6451-4401","authenticated-orcid":false,"given":"Je Yeong","family":"Sone","sequence":"first","affiliation":[{"name":"Neurovascular Surgery Program, Department of Neurosurgery University of Chicago Medicine and Biological Sciences Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6034-8795","authenticated-orcid":false,"given":"Nicholas","family":"Hobson","sequence":"additional","affiliation":[{"name":"Neurovascular Surgery Program, Department of Neurosurgery University of Chicago Medicine and Biological Sciences Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abhinav","family":"Srinath","sequence":"additional","affiliation":[{"name":"Neurovascular Surgery Program, Department of Neurosurgery University of Chicago Medicine and Biological Sciences Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sharbel G.","family":"Romanos","sequence":"additional","affiliation":[{"name":"Neurovascular Surgery Program, Department of Neurosurgery University of Chicago Medicine and Biological Sciences Chicago 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