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This case emphasises the importance of considering thymoma as a possible aetiology in pericardial masses and highlights the diagnostic dilemmas associated with thymomas presenting in ectopic locations.<\/jats:p>","DOI":"10.1136\/bcr-2024-262379","type":"journal-article","created":{"date-parts":[[2025,1,31]],"date-time":"2025-01-31T12:05:53Z","timestamp":1738325153000},"page":"e262379","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Pericardial thymoma presenting as cardiac tamponade in an adult"],"prefix":"10.1136","volume":"18","author":[{"given":"Avinash","family":"Prakash","sequence":"first","affiliation":[{"name":"CTVS, All India Institute of Medical Sciences\u2014Rishikesh, Rishikesh, Uttarakhand, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1372-609X","authenticated-orcid":false,"given":"Shubham 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