CTICasesRight Atrial Spindle Cell Sarcoma
Imaging findings
Chest CT shows a large, poorly enhancing soft tissue mass in the right atrium and AV groove surrounding the right coronary artery, associated with a large malignant pericardial effusion. Resection confirmed primary cardiac spindle cell sarcoma.
Key takeaways
Primary cardiac sarcomas are rare malignancies. While angiosarcoma is the most common primary tumor of the right atrium, other sarcomas such as spindle cell sarcoma can occur. They typically present as infiltrating masses in the AV groove causing pericardial effusions.
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