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Case Reports
. 2025 Jan 2;30(1):102918.
doi: 10.1016/j.jaccas.2024.102918. eCollection 2025 Jan 1.

Intracardiac Teratoma in a Patient With Nonseminomatous Germ Cell Tumor

Adham Makarem  1 , Marc Alexander Höll  1 , Seyed Alireza Rabi  1 , Claudia U Chae  2 , Ido Weinberg  2 , Santiago Lozano-Calderon  3 , Keyan Salari  4 , Rachel P Rosovsky  5 , Philip Saylor  6 , Asishana Osho  1
Affiliations
Case Reports

Intracardiac Teratoma in a Patient With Nonseminomatous Germ Cell Tumor

Adham Makarem et al. JACC Case Rep. .

Abstract

This case report describes the management of a 30-year-old male patient with a history of an advanced nonseminomatous germ cell tumor, hip fracture complicated by extensive deep vein thrombosis and pulmonary embolism, and on apixaban presenting with asymptomatic intracardiac teratoma and abdominopelvic metastases. Multidisciplinary intervention, including successful surgical excision of the intracardiac mass, highlights the importance of coordinated care and vigilant follow-up in optimizing patient outcomes and preventing life-threatening complications.

Keywords: growing teratoma syndrome; intracardiac mass; metastasis; multidisciplinary management; nonseminomatous germ cell tumor (NSGCT); retroperitoneal lymph node resection; teratoma; therapeutic anticoagulation; thromboembolism.

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Conflict of interest statement

The authors have reported that they have no relationships relevant to the contents of this paper to disclose.

Figures

None
Graphical abstract
Figure 1
Figure 1
Computed Tomography Scan Images Computed tomography images showing irregular minimally enhancing filling defects within the right ventricle, RVOT, and main/right pulmonary artery that are concerning for metastatic testicular cancer. Red arrows indicating the metastatic teratoma in the RVOT.
Figure 2
Figure 2
Intraoperative Transesophageal Echocardiography Images Transesophageal echocardiography images showing the mobile mass located in the right ventricular apex, the mid right ventricle, the base of the right ventricle and the right ventricular outflow tract (RVOT). Red arrows indicating the metastatic teratoma in the RVOT.
Figure 3
Figure 3
Image of Metastatic Teratoma Image showing the metastatic teratoma after excision from the right ventricle.
See this image and copyright information in PMC

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