Pericardial cysts can masquerade as metastatic lung carcinoma in patients with a history of malignancy, requiring careful multimodality imaging and biopsy for accurate diagnosis and conservative management.
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Multimodality imaging with biopsy can identify benign pericardial cysts mimicking malignancy; leaves open generalizability beyond case reports.
Pericardial cyst is a benign congenital malformation, with uncommon incidence of approximately 1 in 100 000. It accounts for 7% of all mediastinal masses and is rarely associated with complications. Prompt discrimination of this benign lesion from metastasis in a patient with malignancy is of paramount significance in deciding exact line of management. Here, we report a case of pericardial cyst masquerading as a metastatic lung carcinoma in a patient previously treated for breast carcinoma.
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Balasubramanian et al. (2018) studied this question.
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