Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB

Primary cardiac synovial sarcoma (PCSS) most commonly originates in the right atrium of the heart and is exceptionally rare. Although biomarkers of autoimmune diseases, such as antinuclear antibodies (ANAs), have been reported as potential indicators of certain tumors, the association between PCSS a...

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Main Authors: Yanmei Feng, Chunxia Wu, Jing Chi, Linying Li, Pu Wang, Rui Guo
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Medicine
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Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2025.1515233/full
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author Yanmei Feng
Chunxia Wu
Jing Chi
Linying Li
Pu Wang
Rui Guo
author_facet Yanmei Feng
Chunxia Wu
Jing Chi
Linying Li
Pu Wang
Rui Guo
author_sort Yanmei Feng
collection DOAJ
description Primary cardiac synovial sarcoma (PCSS) most commonly originates in the right atrium of the heart and is exceptionally rare. Although biomarkers of autoimmune diseases, such as antinuclear antibodies (ANAs), have been reported as potential indicators of certain tumors, the association between PCSS and ANAs remains unclear. Herein, we describe a case of pleural effusion that was initially considered to be due to connective tissue disease (CTD) but was finally diagnosed as PCSS through endobronchial ultrasound-guided transbronchial mediastinum biopsy (EBUS-TBMB). Clinicians need to update their knowledge regarding the potential association between PCSS and ANAs. This case report also emphasizes the importance of EBUS-TBMB, under the guidance of positron emission tomography/computed tomography (PET/CT), in the diagnosis of this rare tumor in an unusual location.
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publisher Frontiers Media S.A.
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spelling doaj-art-d5529cf06a2e4176bc9996e70744e10f2025-02-05T07:32:51ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2025-02-011210.3389/fmed.2025.15152331515233Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMBYanmei Feng0Chunxia Wu1Jing Chi2Linying Li3Pu Wang4Rui Guo5Department of Respiratory Medicine, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing, ChinaDepartment of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, ChinaDepartment of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, ChinaCenter for Excellence in Brain Science and Intelligence Technology (CEBSIT), Institute of Neuroscience(ION), Chinese Academy of Sciences, Beijing, ChinaDepartment of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, ChinaDepartment of Emergency Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, ChinaPrimary cardiac synovial sarcoma (PCSS) most commonly originates in the right atrium of the heart and is exceptionally rare. Although biomarkers of autoimmune diseases, such as antinuclear antibodies (ANAs), have been reported as potential indicators of certain tumors, the association between PCSS and ANAs remains unclear. Herein, we describe a case of pleural effusion that was initially considered to be due to connective tissue disease (CTD) but was finally diagnosed as PCSS through endobronchial ultrasound-guided transbronchial mediastinum biopsy (EBUS-TBMB). Clinicians need to update their knowledge regarding the potential association between PCSS and ANAs. This case report also emphasizes the importance of EBUS-TBMB, under the guidance of positron emission tomography/computed tomography (PET/CT), in the diagnosis of this rare tumor in an unusual location.https://www.frontiersin.org/articles/10.3389/fmed.2025.1515233/fullprimary cardiac synovial sarcomaantinuclear antibodiespleural effusionconnective tissue diseaseEBUS-TBMB
spellingShingle Yanmei Feng
Chunxia Wu
Jing Chi
Linying Li
Pu Wang
Rui Guo
Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
Frontiers in Medicine
primary cardiac synovial sarcoma
antinuclear antibodies
pleural effusion
connective tissue disease
EBUS-TBMB
title Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
title_full Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
title_fullStr Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
title_full_unstemmed Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
title_short Case report: Primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by EBUS-TBMB
title_sort case report primary cardiac synovial sarcoma with suspected connective tissue disease diagnosed by ebus tbmb
topic primary cardiac synovial sarcoma
antinuclear antibodies
pleural effusion
connective tissue disease
EBUS-TBMB
url https://www.frontiersin.org/articles/10.3389/fmed.2025.1515233/full
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