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Here, we report a case of conductive hearing loss with complete tympanic membranes. Clinical examinations revealed no external and middle ear lesions, but high-resolution temporal bone computed tomography revealed enlarged vestibular aqueducts. Detailed audiological tests and follow-up results indicate that the exclusive air\u2013bone gap is the outcome of inner ear malformation but not middle ear lesions, preventing the need for tympanic assessment.<\/jats:p>","DOI":"10.1177\/01455613231183539","type":"journal-article","created":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T02:11:34Z","timestamp":1689732694000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["A Large Vestibular Aqueduct With Conductive Hearing Loss as the Only Manifestation"],"prefix":"10.1177","volume":"104","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-2004-4867","authenticated-orcid":false,"given":"Na","family":"Yang","sequence":"first","affiliation":[{"name":"The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, N1 Shangcheng Avenue, Yiwu City, Zhejiang Province, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bei-Bei","family":"Yang","sequence":"additional","affiliation":[{"name":"The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, N1 Shangcheng Avenue, Yiwu City, Zhejiang Province, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,7,18]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/00007611-198003000-00018"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1258\/00222150260369507"},{"key":"e_1_3_2_4_2","first-page":"182","article-title":"Otologic mystery","volume":"8","author":"Schuknecht HF","year":"1987","unstructured":"Schuknecht HF. 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