{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T01:11:44Z","timestamp":1782436304588,"version":"3.54.5"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2024,4,26]],"date-time":"2024-04-26T00:00:00Z","timestamp":1714089600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2024,4,26]],"date-time":"2024-04-26T00:00:00Z","timestamp":1714089600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Indian J Otolaryngol Head Neck Surg"],"published-print":{"date-parts":[[2024,8]]},"DOI":"10.1007\/s12070-024-04724-6","type":"journal-article","created":{"date-parts":[[2024,4,26]],"date-time":"2024-04-26T02:01:33Z","timestamp":1714096893000},"page":"3451-3457","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Computed Tomographic Study of Frontal Sinus Cells and Opacification as Per the International Frontal Sinus Anatomy Classification"],"prefix":"10.1007","volume":"76","author":[{"given":"Preethi P.","family":"Nair","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashish","family":"Varghese","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Navneet","family":"Kumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0734-6624","authenticated-orcid":false,"given":"Sunil Sam","family":"Varghese","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,4,26]]},"reference":[{"issue":"8","key":"4724_CR1","first-page":"1618","volume":"24","author":"DL Daniels","year":"2003","unstructured":"Daniels DL, Mafee MF, Smith MM, Smith TL, Naidich TP, Brown WD et al (2003) The frontal sinus drainage pathway and related structures. Am J Neuroradiol 24(8):1618\u20131627","journal-title":"Am J Neuroradiol"},{"key":"4724_CR2","doi-asserted-by":"publisher","unstructured":"Wormald PJ, Hoseman W, Callejas C, Weber RK, Kennedy DW, Citardi MJ et al (2016), July The international frontal sinus anatomy classification (IFAC) and classification of the extent of endoscopic frontal sinus surgery (EFSS). Int Forum Allergy Rhinol. 2016;6(7):677-96. https:\/\/doi.org\/10.1002\/alr.21738","DOI":"10.1002\/alr.21738"},{"issue":"2","key":"4724_CR3","doi-asserted-by":"publisher","first-page":"765","DOI":"10.1007\/s00405-021-06843-0","volume":"279","author":"NEA Fawzi","year":"2022","unstructured":"Fawzi NEA, Lazim NM, Aziz ME, Mohammad ZW, Abdullah B (2022) The prevalence of frontal cell variants according to the International Frontal Sinus anatomy classification and their associations with frontal sinusitis. Eur Arch Otorhinolaryngol 279(2):765\u2013771. https:\/\/doi.org\/10.1007\/s00405-021-06843-0","journal-title":"Eur Arch Otorhinolaryngol"},{"issue":"1","key":"4724_CR4","doi-asserted-by":"publisher","first-page":"11","DOI":"10.1001\/archotol.1941.00660040021003","volume":"34","author":"OE Van Alyea","year":"1941","unstructured":"Van Alyea OE (1941) Frontal cells: an anatomic study of these cells with consideration of their clinical significance. Arch Otolaryngol 34(1):11\u201323. https:\/\/doi.org\/10.1001\/archotol.1941.00660040021003","journal-title":"Arch Otolaryngol"},{"issue":"4","key":"4724_CR5","doi-asserted-by":"publisher","first-page":"185","DOI":"10.2500\/105065894781874","volume":"8","author":"JP Bent","year":"1994","unstructured":"Bent JP, Cuilty-Siller C, Kuhn FA (1994) The frontal cell as a cause of frontal sinus obstruction. Am J Rhinol 8(4):185\u2013192. https:\/\/doi.org\/10.2500\/105065894781874","journal-title":"Am J Rhinol"},{"issue":"3","key":"4724_CR6","doi-asserted-by":"publisher","first-page":"437","DOI":"10.1016\/j.otc.2006.01.008","volume":"39","author":"FA Kuhn","year":"2006","unstructured":"Kuhn FA (2006) An integrated approach to frontal sinus surgery. Otolaryngol Clin North Am 39(3):437\u2013461. https:\/\/doi.org\/10.1016\/j.otc.2006.01.008","journal-title":"Otolaryngol Clin North Am"},{"issue":"2","key":"4724_CR7","doi-asserted-by":"publisher","first-page":"267","DOI":"10.1177\/000348944605500","volume":"55","author":"OE Van Alyea","year":"1946","unstructured":"Van Alyea OE (1946) XXIII frontal sinus drainage. Annals of Otology. Rhinology Laryngology 55(2):267\u2013277. https:\/\/doi.org\/10.1177\/000348944605500","journal-title":"Rhinology Laryngology"},{"issue":"3","key":"4724_CR8","doi-asserted-by":"publisher","first-page":"222","DOI":"10.1016\/S1043-1810(96)80037-6","volume":"7","author":"FA Kuhn","year":"1996","unstructured":"Kuhn FA (1996) Chronic frontal sinusitis: the endoscopic frontal recess approach. Operative Techniques otolaryngology-head neck Surg 7(3):222\u2013229. https:\/\/doi.org\/10.1016\/S1043-1810(96)80037-6","journal-title":"Operative Techniques otolaryngology-head neck Surg"},{"issue":"2","key":"4724_CR9","first-page":"82","volume":"43","author":"PJ Wormald","year":"2005","unstructured":"Wormald PJ (2005) Surgery of the frontal recess and frontal sinus. Rhinology 43(2):82\u201385","journal-title":"Rhinology"},{"key":"4724_CR10","doi-asserted-by":"publisher","first-page":"1795","DOI":"10.1007\/s00405-018-5003-7","volume":"275","author":"T Nakayama","year":"2018","unstructured":"Nakayama T, Asaka D, Kuboki A, Okushi T, Kojima H (2018) Impact of residual frontal recess cells on frontal sinusitis after endoscopic sinus surgery. Eur Arch Otorhinolaryngol 275:1795\u20131801. https:\/\/doi.org\/10.1007\/s00405-018-5003-7","journal-title":"Eur Arch Otorhinolaryngol"},{"key":"4724_CR11","doi-asserted-by":"publisher","unstructured":"Choby G, Thamboo A, Won TB, Kim J, Shih LC, Hwang PH (2018), July Computed tomography analysis of frontal cell prevalence according to the International Frontal Sinus Anatomy classification Int Forum Allergy Rhinol. 2018;8(7):825-830. https:\/\/doi.org\/10.1002\/alr.22105","DOI":"10.1002\/alr.22105"},{"key":"4724_CR12","doi-asserted-by":"publisher","unstructured":"Villarreal R, Wrobel BB, Macias-Valle LF, Davis GE, Prihoda TJ, Luong AU et al (2019), January International assessment of inter\u2010and intrarater reliability of the International Frontal Sinus Anatomy Classification system. Int Forum Allergy Rhinol. 2019;9(1):39-45. https:\/\/doi.org\/10.1002\/alr.22200","DOI":"10.1002\/alr.22200"},{"issue":"3","key":"4724_CR13","doi-asserted-by":"publisher","first-page":"e107","DOI":"10.2500\/ajra.2012.26.3774","volume":"26","author":"M Langille","year":"2012","unstructured":"Langille M, Walters E, Dziegielewski PT, Kotylak T, Wright ED (2012) Frontal sinus cells: identification, prevalence, and association with frontal sinus mucosal thickening. Am J Rhinol Allergy 26(3):e107\u2013e110. https:\/\/doi.org\/10.2500\/ajra.2012.26.3774","journal-title":"Am J Rhinol Allergy"},{"key":"4724_CR14","doi-asserted-by":"publisher","first-page":"3139","DOI":"10.1007\/s00405-019-05612-4","volume":"276","author":"F Sommer","year":"2019","unstructured":"Sommer F, Hoffmann TK, Harter L, D\u00f6scher J, Kleiner S, Lindemann J, Leunig A (2019) Incidence of anatomical variations according to the International Frontal Sinus anatomy classification (IFAC) and their coincidence with radiological sings of opacification. Eur Arch Otorhinolaryngol 276:3139\u20133146. https:\/\/doi.org\/10.1007\/s00405-019-05612-4","journal-title":"Eur Arch Otorhinolaryngol"},{"issue":"3","key":"4724_CR15","doi-asserted-by":"publisher","first-page":"323","DOI":"10.1177\/1945892419826228","volume":"33","author":"LV Tran","year":"2019","unstructured":"Tran LV, Ngo NH, Psaltis AJ (2019) A radiological study assessing the prevalence of frontal recess cells and the most common frontal sinus drainage pathways. Am J Rhinol Allergy 33(3):323\u2013330. https:\/\/doi.org\/10.1177\/1945892419826228","journal-title":"Am J Rhinol Allergy"},{"key":"4724_CR16","doi-asserted-by":"publisher","unstructured":"Howser LA, Jones AJ, Sreenath SB, Ting JY, Illing EA (2023) Frontal sinus anatomy variations in race and sex using the International Frontal Sinus anatomy classification. Ear. Nose Throat J 01455613231185701. https:\/\/doi.org\/10.1177\/01455613231185701","DOI":"10.1177\/01455613231185701"},{"issue":"10","key":"4724_CR17","doi-asserted-by":"publisher","first-page":"887","DOI":"10.1017\/S0022215120002066","volume":"134","author":"N Seth","year":"2020","unstructured":"Seth N, Kumar J, Garg A, Singh I, Meher R (2020) Computed tomographic analysis of the prevalence of International Frontal Sinus anatomy classification cells and their association with frontal sinusitis. J Laryngology Otology 134(10):887\u2013894. https:\/\/doi.org\/10.1017\/S0022215120002066","journal-title":"J Laryngology Otology"},{"issue":"6","key":"4724_CR18","doi-asserted-by":"publisher","first-page":"954","DOI":"10.5604\/01.3001.0015.6959","volume":"44","author":"T Gotlib","year":"2019","unstructured":"Gotlib T, Ko\u0142odziejczyk P, Ku\u017ami\u0144ska M, Bobecka-Weso\u0142owska K, Niemczyk K (2019) Three\u2010dimensional computed tomography analysis of frontoethmoidal cells: a critical evaluation of the International Frontal Sinus anatomy classification (IFAC). Clin Otolaryngol 44(6):954\u2013960. https:\/\/doi.org\/10.5604\/01.3001.0015.6959","journal-title":"Clin Otolaryngol"}],"container-title":["Indian Journal of Otolaryngology and Head &amp; Neck Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12070-024-04724-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s12070-024-04724-6\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s12070-024-04724-6.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,8,7]],"date-time":"2024-08-07T12:03:56Z","timestamp":1723032236000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s12070-024-04724-6"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,4,26]]},"references-count":18,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2024,8]]}},"alternative-id":["4724"],"URL":"https:\/\/doi.org\/10.1007\/s12070-024-04724-6","relation":{},"ISSN":["2231-3796","0973-7707"],"issn-type":[{"value":"2231-3796","type":"print"},{"value":"0973-7707","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,4,26]]},"assertion":[{"value":"19 December 2023","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 April 2024","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"26 April 2024","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Christian Medical College, Ludhiana. (Date November 2nd , 2017.Ref: IEC-350.)","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Committee Approval"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate"}}]}}