CTICasesCardiac Calcified Amorphous Tumor
Imaging findings
Chest CT and radiograph demonstrate a large, dense, heavily calcified mass in the right atrium and right ventricle, associated with calcified pulmonary arterial emboli. The patient has a history of an indwelling ventriculoatrial (VA) shunt in place for over two decades.
Key takeaways
Cardiac calcified amorphous tumor (C-CAT) is a rare, benign, non-neoplastic intracardiac mass composed of nodular calcification, fibrous tissue, degenerating blood elements, and chronic inflammation. It is generally considered to be a heavily organized and calcified thrombus, often arising on or adjacent to indwelling hardware such as ventriculoatrial shunts or central lines.
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