{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T23:09:03Z","timestamp":1783033743237,"version":"3.54.6"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,4,26]],"date-time":"2013-04-26T00:00:00Z","timestamp":1366934400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Neuroimaging"],"published-print":{"date-parts":[[2014,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>BACKGROUND AND PURPOSE<\/jats:title><jats:p>Bilateral paramedian thalamic infarction is a rare subtype of stroke the etiology of which still remains undetermined in many patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>From a computed tomography (CT)\/magnetic resonance imaging report database, we identified and analyzed 48 patients with bilateral paramedian thalamic infarction on diffusion\u2010weighted imaging. Vascular pathologies were noted on CT angiography (CTA)\/magnetic resonance angiography (MRA) and the P1 segments of the posterior cerebral artery (PCA) described as normal, hypoplastic, or absent.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Vascular imaging revealed top of the basilar artery (BA) occlusion in 6 (12.5%), BA occlusion in 4 (8.3%), BA stenosis in 1 (2.1%), and BA hypoplasia in 3 (6.3%), PCA occlusion in 4 (8.3%), and PCA stenosis in 4 (8.3%) patients. In 18 (37.5%) patients, one or both P1 segments of the PCA were hypoplastic or absent. Patients with hypoplastic\/absent P1 segments were more likely to have exclusively bilateral paramedian thalamic lesions (<jats:italic>P<\/jats:italic> &lt; .001). An embolic source could be identified in 25 (55.6%) patients; there were no significant differences between both groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>Vascular imaging is useful to determine underlying vascular pathologies and may support the diagnosis of small vessel disease in those patients with isolated bilateral paramedian thalamic infarction, hypoplastic\/absent P1 segment of the PCA, and lack of vascular pathology.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jon.12022","type":"journal-article","created":{"date-parts":[[2013,4,26]],"date-time":"2013-04-26T14:59:04Z","timestamp":1366988344000},"page":"325-330","source":"Crossref","is-referenced-by-count":16,"title":["Anatomical Variations in the Posterior Part of the Circle of Willis and Vascular Pathology in Bilateral Thalamic Infarction"],"prefix":"10.1111","volume":"24","author":[{"given":"Alex","family":"F\u00f6rster","sequence":"first","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ingo","family":"N\u00f6lte","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holger","family":"Wenz","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mansour","family":"Al\u2010Zghloul","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans U.","family":"Kerl","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marc A.","family":"Brockmann","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Groden","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology Universit\u00e4tsmedizin Mannheim University of Heidelberg  Mannheim Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,4,26]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.19.9.1083"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.3988\/jcn.2005.1.1.14"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2010.239624"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinimag.2009.05.008"},{"key":"e_1_2_5_6_1","first-page":"533","article-title":"[Arteries of the thalamus in man. 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