{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T12:30:58Z","timestamp":1777033858064,"version":"3.51.4"},"reference-count":18,"publisher":"BMJ","issue":"5","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2022,5,5]]},"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:p>Swellings in medial canthal area in eye most often involve the lacrimal sac, the commonest aetiology being chronic dacryocystitis. Very rarely, there is a deviation in the routine diagnosis when the pathology comes out to be a lacrimal sac tumour. We report the case of a young man who presented with a medial canthal mass not extending above the medial canthal ligament. The clinical presentation was typical for a lacrimal sac mucocele, however on histopathological evaluation was diagnosed as a rare case of solitary fibrous tumour of lacrimal sac. We recommend radiological investigation in medial canthal masses where there is negative regurgitation on pressure over lacrimal sac area to avoid misdiagnoses.<\/jats:p>","DOI":"10.1136\/bcr-2022-250015","type":"journal-article","created":{"date-parts":[[2022,5,23]],"date-time":"2022-05-23T13:45:26Z","timestamp":1653313526000},"page":"e250015","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Solitary fibrous tumour of lacrimal sac masquerading as lacrimal sac mucocele: a diagnostic and surgical dilemma"],"prefix":"10.1136","volume":"15","author":[{"given":"Bijnya Birajita","family":"Panda","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7496-8124","authenticated-orcid":false,"given":"Shilpa","family":"Viswanath","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manas","family":"Baisakh","sequence":"additional","affiliation":[{"name":"Department of Pathology, Prolife Diagnostics, Bhubaneswar, Odisha, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sudhasmita","family":"Rauta","sequence":"additional","affiliation":[{"name":"Department of Pathology, Prolife Diagnostics, Bhubaneswar, Odisha, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2022,5,17]]},"reference":[{"key":"2025082801174021000_15.5.e250015.1","first-page":"173","article-title":"Lacrimal Sac Tumors-A Review","volume":"6","author":"Krishna","year":"2017","journal-title":"Asia Pac J Ophthalmol"},{"key":"2025082801174021000_15.5.e250015.2","doi-asserted-by":"crossref","first-page":"1855","DOI":"10.2147\/OPTH.S261098","article-title":"Masquerades of acquired Dacryocystocele","volume":"14","author":"Bothra","year":"2020","journal-title":"Clin Ophthalmol"},{"key":"2025082801174021000_15.5.e250015.3","doi-asserted-by":"crossref","DOI":"10.1155\/2020\/3545839","article-title":"Comparison of clinical features and treatment outcome in benign and malignant lacrimal sac tumors","volume":"2020","author":"Kuo","year":"2020","journal-title":"Biomed Res Int"},{"key":"2025082801174021000_15.5.e250015.4","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(78)35554-8"},{"key":"2025082801174021000_15.5.e250015.5","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1016\/S0002-9394(14)76580-8","article-title":"Nonepithelial tumors of the lacrimal sac","volume":"118","author":"Pe'er","year":"1994","journal-title":"Am J Ophthalmol"},{"key":"2025082801174021000_15.5.e250015.6","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.35.6.366"},{"key":"2025082801174021000_15.5.e250015.7","first-page":"2","article-title":"[Tumors of the lacrimal sac]","volume":"151","author":"Radn\u00f3t","year":"1966","journal-title":"Ophthalmologica"},{"key":"2025082801174021000_15.5.e250015.8","doi-asserted-by":"publisher","DOI":"10.1097\/00002341-199409000-00005"},{"key":"2025082801174021000_15.5.e250015.9","first-page":"499","article-title":"Clinical and pathological analysis of primary lacrimal sac tumors","volume":"43","author":"YW","year":"2007","journal-title":"Zhonghua Yan Ke Za Zhi"},{"key":"2025082801174021000_15.5.e250015.10","doi-asserted-by":"crossref","first-page":"1477","DOI":"10.3950\/jibiinkoka.117.1477","article-title":"[A case of intraorbital solitary fibrous tumor resected successfully with preoperative arterial embolization]","volume":"117","author":"Kishimoto","year":"2014","journal-title":"Nihon Jibiinkoka Gakkai Kaiho"},{"key":"2025082801174021000_15.5.e250015.11","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1016\/S0002-9394(14)76580-8","article-title":"Nonepithelial tumors of the lacrimal sac","volume":"118","author":"Pe'er","year":"1994","journal-title":"Am J Ophthalmol"},{"key":"2025082801174021000_15.5.e250015.12","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1097\/01.IOP.0000066646.59045.5A","article-title":"Clinicopathologic findings from lacrimal sac biopsy specimens obtained during dacryocystorhinostomy","volume":"19","author":"Anderson","year":"2003","journal-title":"Ophthalmic Plast Reconstr Surg"},{"key":"2025082801174021000_15.5.e250015.13","doi-asserted-by":"crossref","first-page":"370","DOI":"10.1016\/j.anl.2016.07.010","article-title":"Endoscopic-modified medial maxillectomy and its limitation for a solitary fibrous tumor of the lacrimal sac and nasolacrimal duct","volume":"44","author":"Moriyama","year":"2017","journal-title":"Auris Nasus Larynx"},{"key":"2025082801174021000_15.5.e250015.14","doi-asserted-by":"crossref","unstructured":"Kim HJ , Shields CL , Langer PD . 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