{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T08:03:20Z","timestamp":1779696200339,"version":"3.53.1"},"reference-count":11,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/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":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Sage Open Medical Case Reports"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:p>Lingual osseous choristoma is a rare benign lesion characterized by ectopic mature bone within the soft tissues of the tongue, with just over 100 cases reported in the literature. Its clinical presentation is often nonspecific, making diagnosis challenging. A 45-year-old woman was referred for evaluation of a slowly enlarging mass on the posterior dorsal surface of the tongue, initially noted during a routine dental examination. The lesion was asymptomatic, with no associated pain, dysphagia, or bleeding. Clinical examination revealed a firm, whitish, non-ulcerated mass suggestive of a fibroma or an irritated circumvallate papilla. An excisional biopsy was performed under local anesthesia. Histopathological analysis demonstrated mature cortical bone embedded within the lingual submucosa, confirming the diagnosis of lingual osseous choristoma. The postoperative course was uneventful, and no recurrence was observed during a 2-year follow-up. Lingual osseous choristoma is an uncommon but important entity to consider in the differential diagnosis of posterior tongue masses. Surgical excision is both diagnostic and curative, with an excellent prognosis.<\/jats:p>","DOI":"10.1177\/2050313x261452414","type":"journal-article","created":{"date-parts":[[2026,5,22]],"date-time":"2026-05-22T12:48:22Z","timestamp":1779454102000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Lingual osseous choristoma of the posterior tongue: A case report"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-6627-5379","authenticated-orcid":false,"given":"\u00c9mile","family":"Blanchette","sequence":"first","affiliation":[{"name":"Facult\u00e9 de M\u00e9decine et des Sciences de la Sant\u00e9, Universit\u00e9 de Sherbrooke, QC, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0351-3656","authenticated-orcid":false,"given":"Laurent","family":"Fradet","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de M\u00e9decine et des Sciences de la Sant\u00e9, Universit\u00e9 de Sherbrooke, QC, Canada"},{"name":"Service d\u2019ORL et de Chirurgie Cervico-Faciale, D\u00e9partement de Chirurgie, CIUSSS de l\u2019Estrie \u2013 CHUS, QC, Canada"},{"name":"Institut de Recherche sur le Cancer de l\u2019Universit\u00e9 de Sherbrooke, QC, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,5,22]]},"reference":[{"key":"e_1_3_3_2_2","first-page":"282","article-title":"Osteome de la langue","volume":"88","author":"Monserrat M.","year":"1913","unstructured":"Monserrat M. Osteome de la langue. Bull Soc Anat 1913; 88: 282\u2013283.","journal-title":"Bull Soc Anat"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.51894\/001c.17543"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.47102\/annals-acadmedsg.V45N3p110"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0030-4220(71)90324-0"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/0030-4220(91)90498-2"},{"issue":"2","key":"e_1_3_3_7_2","first-page":"242","article-title":"Osseous choristoma of the tongue: a case report with dermoscopic study","volume":"8","author":"Yoshimura H","year":"2018","unstructured":"Yoshimura H, Ohba S, Imamura Y, et al. Osseous choristoma of the tongue: a case report with dermoscopic study. Mol Clin Oncol 2018; 8(2): 242\u2013245.","journal-title":"Mol Clin Oncol"},{"issue":"1","key":"e_1_3_3_8_2","article-title":"Lingual osseous choristoma: case report and literature review of this rare entity","volume":"15","author":"Gkouveris I","year":"2023","unstructured":"Gkouveris I, Kapranos N, Mitrou GG. Lingual osseous choristoma: case report and literature review of this rare entity. J Clin Exp Dent 2023; 15(1): e79\u2013e81.","journal-title":"J Clin Exp Dent"},{"key":"e_1_3_3_9_2","first-page":"373104","article-title":"Osseous choristoma of the tongue: a review of etiopathogenesis","volume":"2014","author":"Gorini E","year":"2014","unstructured":"Gorini E, Mullace M, Migliorini L, et al. Osseous choristoma of the tongue: a review of etiopathogenesis. Case Rep Otolaryngol 2014; 2014: 373104.","journal-title":"Case Rep Otolaryngol"},{"key":"e_1_3_3_10_2","volume-title":"Langman\u2019s medical embryology","author":"Sadler TW.","year":"2024","unstructured":"Sadler TW. Langman\u2019s medical embryology. 15th ed. Lippincott Williams & Wilkins, 2024.","edition":"15"},{"issue":"3","key":"e_1_3_3_11_2","first-page":"336","article-title":"Peripheral osteoma of the tongue","volume":"17","author":"Singh D","year":"2025","unstructured":"Singh D, Bajpai M. Peripheral osteoma of the tongue. Konuralp Med J 2025; 17(3): 336\u2013339.","journal-title":"Konuralp Med J"},{"key":"e_1_3_3_12_2","first-page":"8532356","article-title":"Extraoral osseous choristoma in the head and neck region: case report and literature review","volume":"2019","author":"Arens P","year":"2019","unstructured":"Arens P, Ullrich A, Olze H, et al. Extraoral osseous choristoma in the head and neck region: case report and literature review. 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