This case series highlights the role of endomyocardial biopsy (EMB) in diagnosing cardiac tumors instead of tumor resection. EMB provided critical diagnostic clarity and influenced therapeutic decisions, demonstrating its utility in complex cardiovascular cases while preventing unnecessary surgery. Furthermore, EMB provides vital information that can be used for multidisciplinary approach to cardiac tumors.

JACC Case Reports Interim Editors-in-Chief 

Gilbert H. L. Tang, MD, MSc, MBA

CME Editor 

Kenneth A. Ellenbogen, MD

Author

Stephen Clarkson, MD

 Important Dates

Date of Release: January 2, 2025 

Term of Approval/Date of CME/MOC Expiration: January 1, 2026