CTICasesCalcified Mediastinal/Pericardial Mass (Old Hematoma)
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Imaging findings
Outside films showed crescentic calcified lesions located adjacent to or within the heart and mediastinum. A non-contrast CT demonstrated a calcified mass with mixed fluid and calcification, situated adjacent to the right heart wall. No prior sternotomy or coronary aneurysms were evident. The patient also presented with a flank hematoma.
Key takeaways
The differential diagnosis for a calcified mediastinal or pericardial mass includes old pericardial hematoma, teratoma, echinococcal cyst, or thymic tumors. Given the patient's history of falls and bleeding (evidenced by the flank hematoma), a calcified pericardial hematoma is a plausible diagnosis. The precise origin (pericardial vs. mediastinal) can be challenging to determine without biopsy.
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