{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T15:37:54Z","timestamp":1779896274907,"version":"3.53.1"},"reference-count":12,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,12,26]],"date-time":"2017-12-26T00:00:00Z","timestamp":1514246400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int Forum Allergy Rhinol"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Knowledge of the position of the ethmoidal arteries is critical to enable safe endoscopic sinus and orbital surgery. The presence of a third or \u201cmiddle\u201d ethmoid variant has recently become more relevant as endoscopic intraconal surgery continues to advance. The purpose of this study was to quantify the presence of supernumerary (ie, over 2) ethmoid foramina in different ethnicities and genders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Morphometric osteologic measurements were performed in 273 orbits. Prevalence of supernumerary ethmoid foramina and orbital length data were obtained from human skulls of Asian (n = 54), Caucasian (n = 70), African (n = 39), Hispanic (n = 49), and Middle Eastern (n = 61) derivation. Correlations between gender, ethnicity, symmetry, orbital floor, and lamina papyracea length were assessed by analysis of variance, paired <jats:italic>t<\/jats:italic> test, and \u03c7<jats:sup>2<\/jats:sup> test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Supernumerary foramina were identified in 95 of 273 orbits (34.79%). A significantly higher prevalence was seen in Asian (42.59%), African (41.02%), and Hispanic (41.00%) skulls as compared with Caucasian (25.71%) and Middle Eastern (22.95%) skulls (<jats:italic>p<\/jats:italic> &lt; 0.05 for all). The length of the orbital floor was significantly shorter in the Asian (3.35 \u00b1 1.52 cm) specimens (<jats:italic>p<\/jats:italic> &lt; 0.01). Asians were found to have the highest risk of ethmoid artery injury compared with the other ethnic groups (ratio of number of supernumerary foramina to orbital floor length = 0.72).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Supernumerary ethmoidal foramina were common among all orbits studied. Orbits of Asian and African derivation had significantly greater numbers of ethmoidal foramina, both unilaterally and symmetrically and within a shorter orbital length, suggesting a greater proximity between the ethmoidal vessels. Surgeons should be alert to the possible presence of middle ethmoidal vessels during endoscopic sinus and orbital approaches.<\/jats:p><\/jats:sec>","DOI":"10.1002\/alr.22059","type":"journal-article","created":{"date-parts":[[2017,12,26]],"date-time":"2017-12-26T16:43:22Z","timestamp":1514306602000},"page":"655-658","source":"Crossref","is-referenced-by-count":13,"title":["Osteologic analysis of ethnic differences in supernumerary ethmoidal foramina: implications for endoscopic sinus and orbit surgery"],"prefix":"10.1002","volume":"8","author":[{"given":"Sarina K.","family":"Mueller","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Massachusetts Eye and Ear Infirmary Harvard Medical School  Boston MA"},{"name":"Department of Otolaryngology University of Erlangen\u2013Nuremberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin S.","family":"Bleier","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Massachusetts Eye and Ear Infirmary Harvard Medical School  Boston MA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,12,26]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1159\/000074943"},{"key":"e_1_2_6_3_1","first-page":"382","article-title":"Arterial blood supply and innervation of the rectus muscles of the eyeball","volume":"24","author":"Ducasse A","year":"2001","journal-title":"J Fr Ophtalmol"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4377-2272-7.00010-X"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-015-1530-8"},{"key":"e_1_2_6_6_1","doi-asserted-by":"crossref","first-page":"144","DOI":"10.2500\/ar.2016.7.0167","article-title":"Transorbital endoscopic identification of supernumerary ethmoid arteries","volume":"7","author":"Berens AM","year":"2016","journal-title":"Allergy Rhinol (Providence)"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/ca.22787"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/ca.22303"},{"key":"e_1_2_6_9_1","first-page":"76372","article-title":"Computed tomographic exploration of the middle ethmoidal artery","author":"Mason E","year":"2015","journal-title":"J Neurol Surg B Skull Base"},{"key":"e_1_2_6_10_1","first-page":"3472","article-title":"Medial orbital wall landmarks in three different North American populations","author":"Mehta MP","year":"2015","journal-title":"Orbit"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/IOP.0b013e318201c8fd"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/IOP.0b013e31816704f5"},{"key":"e_1_2_6_13_1","first-page":"2383","article-title":"Surgical anatomy of fissures and foramina in the orbits of Thai adults","volume":"90","author":"Huanmanop T","year":"2007","journal-title":"J Med Assoc Thai"}],"container-title":["International Forum of Allergy &amp; Rhinology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Falr.22059","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/alr.22059","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,24]],"date-time":"2023-09-24T16:48:55Z","timestamp":1695574135000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/alr.22059"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,12,26]]},"references-count":12,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2018,5]]}},"alternative-id":["10.1002\/alr.22059"],"URL":"https:\/\/doi.org\/10.1002\/alr.22059","archive":["Portico"],"relation":{},"ISSN":["2042-6976","2042-6984"],"issn-type":[{"value":"2042-6976","type":"print"},{"value":"2042-6984","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,12,26]]}}}