CTICasesPericardial Epithelioid Hemangioendothelioma
Imaging findings
CT shows a large, lobulated pericardial mass associated with pericardial effusion and cardiac tamponade. Early pulmonary arterial enhancement is visible, though the tumor's overall enhancement characteristics over time could not be fully assessed on the non-gated study. Compressive atelectasis is noted in the adjacent lung parenchyma, but there are no parenchymal metastases.
Key takeaways
Epithelioid hemangioendothelioma is a rare vascular tumor of intermediate malignancy, positioned on the spectrum between benign hemangiomas and highly malignant angiosarcomas. While they can occur in various organs like the liver, lungs, or bones, a primary pericardial presentation is exceedingly rare and often presents with chest pain and tamponade.
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