{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T15:10:05Z","timestamp":1782141005483,"version":"3.54.5"},"reference-count":26,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2015,6,10]],"date-time":"2015-06-10T00:00:00Z","timestamp":1433894400000},"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":[[2015,11]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>There is no effective classification method for the opening of the sphenoid sinus. The objective of this study was to examine the effectiveness of identification of the Onodi cell and classification of the sphenoid sinus using sagittal computed tomography (CT) for sphenoidotomy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>CT images of the sinuses of surgical patients (n = 261; 522 sides) were studied. Using sagittal CT, the relationships between the lateral side of the anterior wall of the sphenoid sinus and the optic nerve, and between the middle of the anterior wall of the sphenoid sinus and the skull base or pituitary gland were studied. Images were classified as demonstrating skull base (without the Onodi cell), optic canal, sella, or infra\u2010sella (all with the Onodi cell) type.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Two hundred and fifty\u2010eight sides (49.2%) were of the skull\u2010base type, 181 (34.7%) were of the optic\u2010canal type, 58 (11.1%) were of the sella type, and 26 (5.0%) were of the infra\u2010sella type; ie, the Onodi cell was present in 50.8% of sides. The width of the anterior wall of the sphenoid sinus became narrower as it shifted from the skull\u2010base type to the infra\u2010sella type.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Classification of the anterior wall of the sphenoid sinus based on the Onodi cell allows 3\u2010dimensional assessment of the shape of the sphenoid sinus. We believe that the sphenoid sinus can be opened safely by full preoperative assessment of the anterior wall type, the position of the superior turbinate, and the position of the ostium of the sphenoid sinus.<\/jats:p><\/jats:sec>","DOI":"10.1002\/alr.21567","type":"journal-article","created":{"date-parts":[[2015,6,19]],"date-time":"2015-06-19T15:04:57Z","timestamp":1434726297000},"page":"1068-1076","source":"Crossref","is-referenced-by-count":39,"title":["Identification of Onodi cell and new classification of sphenoid sinus for endoscopic sinus surgery"],"prefix":"10.1002","volume":"5","author":[{"given":"Kota","family":"Wada","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Toho University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Moriyama","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Jikei University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideo","family":"Edamatsu","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Toho University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanori","family":"Hama","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Jikei University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chiaki","family":"Arai","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Toho University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiromi","family":"Kojima","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Jikei University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nobuyoshi","family":"Otori","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Jikei University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiyoshi","family":"Yanagi","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology St. Luke's International Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,6,10]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaci.2006.09.005"},{"issue":"2","key":"e_1_2_6_3_1","doi-asserted-by":"crossref","first-page":"52S","DOI":"10.1378\/chest.125.2_suppl.52S","article-title":"Macrolides for the treatment of chronic sinusitis, asthma, and COPD","volume":"125","author":"Gotfried MH","year":"2004","journal-title":"Chest"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.2500\/105065896781795067"},{"key":"e_1_2_6_5_1","first-page":"451","article-title":"Endoscopy of the nose","volume":"104","author":"Messerklinger W","year":"1970","journal-title":"Monatsschr Ohrenheilkd Laryngorhinol"},{"key":"e_1_2_6_6_1","first-page":"166","article-title":"Evaluation of endoscopic sinus surgery for chronic sinusitis: post\u2010operative erythromycin therapy","volume":"33","author":"Moriyama H","year":"1995","journal-title":"Rhinology"},{"key":"e_1_2_6_7_1","volume-title":"Endoscopic Sinus Surgery: Anatomy, Three\u2010dimensional Reconstruction, and Surgical Technique","author":"Wormald PJ.","year":"2007"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1227\/01.NEU.0000367619.24800.B1"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anl.2012.07.010"},{"issue":"24","key":"e_1_2_6_10_1","first-page":"1","article-title":"European position paper on the anatomical terminology of the internal nose and paranasal sinuses","author":"Lund VJ","year":"2014","journal-title":"Rhinol Suppl."},{"key":"e_1_2_6_11_1","first-page":"360","article-title":"[The ratio of the optic nerve to the sphenoid cavity and particularly to the posterior ethmoidal]. 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