{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T07:09:19Z","timestamp":1779174559389,"version":"3.51.4"},"reference-count":15,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T00:00:00Z","timestamp":1776902400000},"content-version":"vor","delay-in-days":112,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Case Reports in Otolaryngology"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:p>Ectopic teeth in the maxillary sinus are an uncommon finding, and when symptomatic, often present as chronic rhinosinusitis. However, concurrent presentation with a fungal ball is exceptionally rare and scarcely documented in the literature. We report a unique case of a 39\u2010year\u2010old woman with recurrent maxillary sinusitis, ultimately diagnosed with coexisting ectopic tooth and fungal ball in the left maxillary sinus. The patient underwent successful endoscopic sinus surgery for simultaneous removal of both lesions. Postoperatively, she experienced complete resolution of symptoms without complications. This case highlights the diagnostic importance of imaging in refractory rhinosinusitis and demonstrates that endoscopic management is an effective and minimally invasive approach for this rare dual pathology.<\/jats:p>","DOI":"10.1155\/crot\/9522364","type":"journal-article","created":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T06:46:37Z","timestamp":1777013197000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Rare Dual Pathology in Refractory Chronic Rhinosinusitis: Maxillary Ectopic Tooth With Fungal Ball"],"prefix":"10.1155","volume":"2026","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-1711-8715","authenticated-orcid":false,"given":"Yu-Ru","family":"Lin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2404-2067","authenticated-orcid":false,"given":"Ying-Chou","family":"Lu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7034-4149","authenticated-orcid":false,"given":"Yen-Ting","family":"Lu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,4,23]]},"reference":[{"key":"e_1_2_11_1_2","doi-asserted-by":"publisher","DOI":"10.1186\/s40463-019-0353-8"},{"key":"e_1_2_11_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/SCS.0000000000000914"},{"key":"e_1_2_11_3_2","doi-asserted-by":"publisher","DOI":"10.3389\/fsurg.2025.1564859"},{"key":"e_1_2_11_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s12070-021-03039-0"},{"key":"e_1_2_11_5_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-0036-1581063"},{"key":"e_1_2_11_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/scs.0b013e31826d07d0"},{"key":"e_1_2_11_7_2","first-page":"184","article-title":"A Case of Ectopic Tooth in Fungal Ball of the Maxillary Sinus","volume":"53","author":"Kim H. 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