{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T04:28:41Z","timestamp":1768883321700,"version":"3.49.0"},"reference-count":26,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2022,2,7]],"date-time":"2022-02-07T00:00:00Z","timestamp":1644192000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0022215122000305_sec_a1\"><jats:title>Objective<\/jats:title><jats:p>The prevalence of the optic canal anatomical variants across the sphenoid sinus varies widely among different ethnic groups. This study aimed to analyse the anatomical variants of the optic canal and their relationship to sphenoid sinus pneumatisation in a Hispanic population.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215122000305_sec_a2\" sec-type=\"methods\"><jats:title>Method<\/jats:title><jats:p>A review of 320 sphenoid sinuses by high-resolution computed tomography was performed. DeLano's classification of the optic canal, presence of dehiscence, septa insertion, sphenoid sinus pneumatisation and presence of Onodi cells were established.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215122000305_sec_a3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>Dehiscence of the optic canal was observed in 4.7 per cent (<jats:italic>n =<\/jats:italic>15) of the analysed sinuses. Type 4 and 3 optic canals were significantly more frequent among postsellar sphenoid sinuses than other patterns of sphenoid sinus pneumatisation (<jats:italic>p =<\/jats:italic>0.002 and<jats:italic>p =<\/jats:italic>0.018). A type 4 optic canal has a higher tendency to present inserted septum than other optic canal types (<jats:italic>p =<\/jats:italic>0.014).<\/jats:p><\/jats:sec><jats:sec id=\"S0022215122000305_sec_a4\" sec-type=\"conclusions\"><jats:title>Conclusion<\/jats:title><jats:p>This study described the optic canal variants in a Hispanic population, which complements existing literature addressing other ethnicities.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0022215122000305","type":"journal-article","created":{"date-parts":[[2022,2,7]],"date-time":"2022-02-07T07:01:25Z","timestamp":1644217285000},"page":"279-284","source":"Crossref","is-referenced-by-count":3,"title":["Anatomical configurations of the optic canal in the sphenoid sinus in a Hispanic population: computed tomography based study"],"prefix":"10.1017","volume":"137","author":[{"given":"J L","family":"Trevi\u00f1o-Gonzalez","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K M","family":"Santos-Santillana","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F","family":"Maldonado-Chapa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1739-4080","authenticated-orcid":false,"given":"J A","family":"Morales-Del Angel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J A","family":"Becerra-Jimenez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2022,2,7]]},"reference":[{"key":"S0022215122000305_ref12","doi-asserted-by":"publisher","DOI":"10.1016\/j.crad.2005.03.005"},{"key":"S0022215122000305_ref3","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-015-1494-8"},{"key":"S0022215122000305_ref4","doi-asserted-by":"crossref","first-page":"844","DOI":"10.1007\/s003300051016","article-title":"Variations of sphenoid and related structures","volume":"10","author":"Sirikci","year":"2000","journal-title":"Eur Radiol"},{"key":"S0022215122000305_ref8","doi-asserted-by":"publisher","DOI":"10.1007\/s10143-018-0995-4"},{"key":"S0022215122000305_ref9","doi-asserted-by":"crossref","first-page":"128","DOI":"10.3402\/ljm.v3i3.4775","article-title":"Anatomic variation of sphenoid sinus and related structures in Libyan population: CT scan study","volume":"3","author":"Hewaidi","year":"2008","journal-title":"Libyan J Med"},{"key":"S0022215122000305_ref19","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-005-0073-9"},{"key":"S0022215122000305_ref21","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199803000-00020"},{"key":"S0022215122000305_ref22","doi-asserted-by":"publisher","DOI":"10.1017\/S0022215100143361"},{"key":"S0022215122000305_ref7","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-019-02207-w"},{"key":"S0022215122000305_ref26","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1055\/s-0037-1607336","article-title":"An analysis of anatomic variations of the sphenoid sinus and its relationship to the internal carotid artery","volume":"22","author":"Dal Secchi","year":"2018","journal-title":"Int Arch Otorhinolaryngol"},{"key":"S0022215122000305_ref11","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1016\/S0030-6665(20)31395-5","article-title":"Complications of endoscopic sinus surgery","volume":"22","author":"Stankiewicz","year":"1989","journal-title":"Otolaryngol Clin North Am"},{"key":"S0022215122000305_ref14","first-page":"181","article-title":"Optimal CT evaluation for functional endoscopic sinus surgery","volume":"17","author":"Melhem","year":"1996","journal-title":"AJNR Am J Neuroradiol"},{"key":"S0022215122000305_ref13","first-page":"669","article-title":"Relationship of the optic nerve to the posterior paranasal sinuses: a CT anatomic study","volume":"17","author":"DeLano","year":"1996","journal-title":"AJNR Am J Neuroradiol"},{"key":"S0022215122000305_ref18","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1288\/00005537-195703000-00004","article-title":"Unusual anatomical variations of the sphenoid sinuses","volume":"67","author":"Peele","year":"1957","journal-title":"Laryngoscope"},{"key":"S0022215122000305_ref24","doi-asserted-by":"publisher","DOI":"10.1159\/000514458"},{"key":"S0022215122000305_ref1","first-page":"591","article-title":"CT and MR imaging of the central skull base","volume":"10","author":"Laine","year":"1990","journal-title":"Part 1: techniques, embryologic development, and anatomy. 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