{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T09:13:05Z","timestamp":1776417185828,"version":"3.51.2"},"reference-count":11,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T00:00:00Z","timestamp":1773705600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Primary pericardial synovial sarcomas are rare and aggressive, with limited data to guide treatment. Though advancements in cardiac imaging have improved diagnostic capabilities, these tumours are often discovered after significant disease progression. We report one of few extremely aggressive cases of pericardial sarcoma that led to in-hospital mortality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case summary<\/jats:title>\n                    <jats:p>A 59-year-old woman presented with abdominal pain and dyspnoea and was found to have cardiac tamponade. Transthoracic echocardiogram and cardiac magnetic resonance imaging revealed an 11.1\u2005cm pericardial mass, which rapidly enlarged to 17.2\u2005cm over 3 weeks despite partial resection. Pathology confirmed poorly differentiated synovial sarcoma with SS18::SSX2 fusion. Surgical resection and radiation were deemed infeasible due to tumour size and proximity to critical structures. She received one cycle of anthracycline\u2013ifosfamide chemotherapy but developed airway compromise and died on hospital day 34.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>This case illustrates the rapid progression and poor prognosis of primary pericardial synovial sarcoma, emphasizing that early recognition with multimodality imaging and timely surgical evaluation are crucial, as unresectable disease carries poor outcomes with current systemic therapies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytag188","type":"journal-article","created":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T12:42:31Z","timestamp":1773578551000},"source":"Crossref","is-referenced-by-count":0,"title":["Fulminant growth of primary pericardial synovial sarcoma despite partial resection: a case report"],"prefix":"10.1093","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-2411-7986","authenticated-orcid":false,"given":"Kuan-Yu","family":"Lin","sequence":"first","affiliation":[{"name":"North Shore University Hospital, Northwell New Hyde Park Department of Medicine, , 300 Community Dr, Manhasset, NY 11030 ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nina","family":"Cheranda","sequence":"additional","affiliation":[{"name":"North Shore University Hospital, Northwell New Hyde Park Department of Medicine, , 300 Community Dr, Manhasset, NY 11030 ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-6546-7248","authenticated-orcid":false,"given":"Madhav","family":"Bhatt","sequence":"additional","affiliation":[{"name":"North Shore University Hospital, Northwell New Hyde Park Department of Medicine, , 300 Community Dr, Manhasset, NY 11030 ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine","family":"Yen","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Northwell Cardiovascular Institute , 300 Community Dr., Manhasset, NY 11030 ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neil","family":"Shah","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Northwell Cardiovascular Institute , 300 Community Dr., Manhasset, NY 11030 ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2026,3,17]]},"reference":[{"key":"2026041704173807100_ytag188-B1","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1016\/j.carpath.2009.07.005","article-title":"Pathological study of primary cardiac and pericardial tumours in a specialist UK centre: surgical and autopsy series","volume":"19","author":"Patel","year":"2010","journal-title":"Cardiovasc Pathol"},{"key":"2026041704173807100_ytag188-B2","first-page":"1027","article-title":"Tumors of the heart. 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