{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T19:46:03Z","timestamp":1789501563244,"version":"build-2803163510"},"reference-count":20,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"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":["SAGE Open Medicine"],"published-print":{"date-parts":[[2018,1,1]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>The aim of this study is to investigate the anatomy of the posterior and middle ethmoidal arteries from the viewpoint of an endoscopic sinus surgeon.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Based on 100 computed tomography images, the anatomical position of the posterior ethmoidal artery in relation to the posterior ethmoid cells was classified into five types. The presence of the posterior and middle ethmoidal arteries, their distance from the skull base, and their length exposed in the ethmoid cells were measured. The association of patients\u2019 age and sex, presence of the middle ethmoidal artery, and anatomical type of the posterior ethmoidal artery with the posterior ethmoidal artery distance from the ethmoid roof was analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>The posterior ethmoidal artery\u2019s position, relative to the ethmoid cell walls, was most often near the first wall, anterior to the optic canal (92.5%). The posterior ethmoidal artery\u2019s distance from the skull base ranged from 0 to 6.4\u2009mm (mean: 1.2\u2009mm). Older age, longer length of the posterior ethmoidal artery exposed in the ethmoid cells, and absence of the middle ethmoidal artery were positively associated with a longer posterior ethmoidal artery distance from the skull base.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Attention should be paid to the posterior and middle ethmoidal arteries.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/2050312118772473","type":"journal-article","created":{"date-parts":[[2018,4,27]],"date-time":"2018-04-27T08:52:10Z","timestamp":1524819130000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":18,"title":["Anatomy of the posterior and middle ethmoidal arteries via computed tomography"],"prefix":"10.1177","volume":"6","author":[{"given":"Hiroki","family":"Yamamoto","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Jichi Medical University Saitama Medical Center, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6425-4574","authenticated-orcid":false,"given":"Kazuhiro","family":"Nomura","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Jichi Medical University Saitama Medical Center, Saitama, Japan"},{"name":"Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Hidaka","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yukio","family":"Katori","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naohiro","family":"Yoshida","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Jichi Medical University Saitama Medical Center, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2018,4,27]]},"reference":[{"key":"bibr1-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200105000-00027"},{"key":"bibr2-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1016\/j.crad.2004.04.016"},{"key":"bibr3-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1007\/s003300100858"},{"key":"bibr4-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1097\/00001665-200603000-00014"},{"key":"bibr5-2050312118772473","doi-asserted-by":"publisher","DOI":"10.3348\/kjr.2012.13.6.667"},{"key":"bibr6-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-014-3378-7"},{"key":"bibr7-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1177\/0194599814551124"},{"key":"bibr8-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1002\/alr.21255"},{"key":"bibr9-2050312118772473","doi-asserted-by":"publisher","DOI":"10.3171\/jns.2007.106.1.142"},{"key":"bibr10-2050312118772473","doi-asserted-by":"publisher","DOI":"10.1007\/s11102-009-0167-1"},{"key":"bibr11-2050312118772473","first-page":"81","volume-title":"Clinical 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