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We are reporting a patient who had presented in his adolescence to us with bilateral membranous atresia and have described his management and outcome.<\/jats:p>","DOI":"10.1136\/bcr-2024-261305","type":"journal-article","created":{"date-parts":[[2025,11,25]],"date-time":"2025-11-25T06:35:12Z","timestamp":1764052512000},"page":"e261305","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Complete bilateral membranous choanal atresia in an adolescent"],"prefix":"10.1136","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-6560-9305","authenticated-orcid":false,"given":"Eileen","family":"Benny Kuriakose","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology and Head and Neck Surgery, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3447-678X","authenticated-orcid":false,"given":"Ajaykumar","family":"Prabakar","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology and Head and Neck Surgery, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L","family":"Somu","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology and Head and Neck Surgery, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thirunavukarasu","family":"Palanisamy","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology and Head and Neck Surgery, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,11,24]]},"reference":[{"key":"2025112422350854000_18.11.e261305.1","first-page":"337","article-title":"Choanal atresia","volume":"146","author":"Nemechek","year":"1994","journal-title":"J La State Med Soc"},{"key":"2025112422350854000_18.11.e261305.2","doi-asserted-by":"publisher","DOI":"10.1007\/s00431-011-1591-6"},{"key":"2025112422350854000_18.11.e261305.3","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199601000-00019"},{"key":"2025112422350854000_18.11.e261305.4","doi-asserted-by":"crossref","DOI":"10.1002\/wdev.336","article-title":"Choanal atresia and stenosis: Development and diseases of the nasal cavity","volume":"8","author":"Kurosaka","year":"2019","journal-title":"Wiley Interdiscip Rev Dev Biol"},{"key":"2025112422350854000_18.11.e261305.5","doi-asserted-by":"crossref","first-page":"95","DOI":"10.2500\/ajra.2016.30.4321","article-title":"Endoscopic repair of bilateral choanal atresia, starting with vomer resection: Evaluation study","volume":"30","author":"El-Anwar","year":"2016","journal-title":"Am J Rhinol Allergy"},{"key":"2025112422350854000_18.11.e261305.6","doi-asserted-by":"crossref","first-page":"1002","DOI":"10.1016\/j.ijporl.2012.03.019","article-title":"Stentless endoscopic transnasal repair of bilateral choanal atresia starting with resection of vomer","volume":"76","author":"El-Ahl","year":"2012","journal-title":"Int J Pediatr Otorhinolaryngol"},{"key":"2025112422350854000_18.11.e261305.7","doi-asserted-by":"publisher","DOI":"10.1016\/j.otohns.2006.05.009"},{"key":"2025112422350854000_18.11.e261305.8","doi-asserted-by":"crossref","first-page":"3605","DOI":"10.1007\/s00405-020-06546-y","article-title":"Neonatal nasal obstruction","volume":"278","author":"Alvo","year":"2021","journal-title":"Eur Arch Otorhinolaryngol"},{"key":"2025112422350854000_18.11.e261305.9","doi-asserted-by":"crossref","unstructured":"Kelvin M K . 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