{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T22:36:29Z","timestamp":1777502189961,"version":"3.51.4"},"reference-count":33,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2014,10,1]],"date-time":"2014-10-01T00:00:00Z","timestamp":1412121600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The multiple prominent hypointense veins on susceptibility-weighted imaging (SWI) have been found in the ischemic territory of patients with acute ischemic stroke. Venous side is the unknown area in the hemodynamics of brain infarction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the venous aspect in acute brain infarction through an animal study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>The acute infarction in cat brains was induced with a bolus infusion of 0.25\u2009mL of triolein through one side of the common carotid artery. The magnetic resonance (MR) images, including diffusion-weighted imaging (DWI), apparent diffusion coefficient (ADC) map, SW, and perfusion-weighted (PWI) images, were obtained serially at 2\u2009h ( n\u2009=\u200917), 1 day ( n\u2009=\u200911), and 4 days ( n\u2009=\u20094) after triolein infusion. The obtained MR images were evaluated qualitatively and quantitatively. For qualitative assessment, the signal intensity of the serial MR images was evaluated. The presence or absence and the location with serial changes of infarction were identified on DWI and ADC map images. The presence or absence of prominent hypointense veins and the serial changes of cortical veins were also evaluated on SWI. Quantitative assessment was performed by comparing the relative cerebral blood volume (rCBV), cerebral blood flow (rCBF), and mean transit times (MTT) of the lesions with those of the contralateral normal side calculated on PWI. The serial changes of rCBV, rCBF, and MTT ratio were also evaluated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Acute infarction in the first and second medial gyrus of lesion hemisphere was found by qualitative evaluation of DWI and ADC map images. On the serial evaluation of SWI, the cortical veins of cat brain with infarction were obscured at 2\u2009h and then re-appeared at 1 day. The hemorrhage transformation and prominent hypointense veins were seen at 4 days on SWI. The quantitative evaluation revealed increased MTT ratios and decreased rCBV and rCBF ratios on PWIs in the acute infarction of cat brain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The prominent hypointense veins on SWI were seen in the half of the acute infarction at 4 days. The prominent hypointense veins on SWI may have good agreement with the increased MTT ratio.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0284185113508181","type":"journal-article","created":{"date-parts":[[2013,10,17]],"date-time":"2013-10-17T23:33:54Z","timestamp":1382052834000},"page":"1008-1014","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Prominent hypointense veins on susceptibility weighted image in the cat brain with acute infarction: DWI, SWI, and PWI"],"prefix":"10.1177","volume":"55","author":[{"given":"Yong-Woo","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Radiology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hak Jin","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Radiology, Pusan National University School of Medicine, Biomedical Research Institute, Pusan National University Hospital, Pusan, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seon Hee","family":"Choi","sequence":"additional","affiliation":[{"name":"Pusan National University Postgraduate School, Pusan, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong Chan","family":"Kim","sequence":"additional","affiliation":[{"name":"Seoul National University School of Veterinary Medicine, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2014,10,1]]},"reference":[{"key":"bibr1-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.204.1.9205259"},{"key":"bibr2-0284185113508181","first-page":"736","volume":"26","author":"Rauscher A","year":"2005","journal-title":"Am J Neuroradiol"},{"key":"bibr3-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1002\/ana.10067"},{"key":"bibr4-0284185113508181","first-page":"1239","volume":"20","author":"Lee BC","year":"1999","journal-title":"Am J Neuroradiol"},{"key":"bibr5-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1097\/01.RLI.0000069790.89435.e7"},{"key":"bibr6-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.0000133341.74387.96"},{"key":"bibr7-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1016\/j.crad.2008.04.022"},{"key":"bibr8-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1007\/s00234-010-0733-2"},{"key":"bibr9-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1159\/000151640"},{"key":"bibr10-0284185113508181","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A1461"},{"key":"bibr11-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410290302"},{"key":"bibr12-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1378\/chest.102.6_Supplement.640S"},{"key":"bibr13-0284185113508181","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A0786"},{"key":"bibr14-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1038\/jcbfm.1995.71"},{"key":"bibr15-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1038\/jcbfm.1987.36"},{"key":"bibr16-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1097\/00004728-198907000-00003"},{"key":"bibr17-0284185113508181","first-page":"55","volume":"31","author":"Toyama H","year":"1990","journal-title":"J Nucl Med"},{"key":"bibr18-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1007\/BF01406037"},{"key":"bibr19-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1080\/01616412.1987.11739803"},{"key":"bibr20-0284185113508181","unstructured":"Choi YY, Kim HK, Kim YS. Forbidden road: focal venous dilatation in acute brain infarction studied with susceptibility-weighted image. KCR Abstract Book 2009:288\u2013289."},{"key":"bibr21-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1097\/00004424-200108000-00005"},{"key":"bibr22-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.12.6.723"},{"key":"bibr23-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1002\/ana.410360404"},{"key":"bibr24-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(97)24022-5"},{"key":"bibr25-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1016\/0735-6757(83)90088-8"},{"key":"bibr26-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1136\/jcp.s3-11.1.149"},{"key":"bibr27-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.32.5.1140"},{"key":"bibr28-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1097\/00004647-200006000-00003"},{"key":"bibr29-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.30.4.800"},{"key":"bibr30-0284185113508181","first-page":"436","volume":"24","author":"Schaefer PW","year":"2003","journal-title":"Am J Neuroradiol"},{"key":"bibr31-0284185113508181","doi-asserted-by":"publisher","DOI":"10.3348\/kjr.2005.6.2.64"},{"key":"bibr32-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awf047"},{"key":"bibr33-0284185113508181","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.107.500090"}],"container-title":["Acta Radiologica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0284185113508181","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0284185113508181","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0284185113508181","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:18:14Z","timestamp":1777389494000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0284185113508181"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,10]]},"references-count":33,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2014,10]]}},"alternative-id":["10.1177\/0284185113508181"],"URL":"https:\/\/doi.org\/10.1177\/0284185113508181","relation":{},"ISSN":["0284-1851","1600-0455"],"issn-type":[{"value":"0284-1851","type":"print"},{"value":"1600-0455","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,10]]}}}