CTICasesCardiac Sarcoidosis mimicking meningiomas
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Imaging findings
Brain MRI showed hyperenhancing lesions along the dura, initially interpreted as multiple meningiomas. Chest CT revealed focal thickening of the wall of the right ventricle, possibly along the moderator band, and mildly enlarged mediastinal and hilar lymph nodes with a good distribution, but no parenchymal sarcoid findings.
Key takeaways
Sarcoidosis can present with unusual mass-like cardiac involvement and leptomeningeal thickening, mimicking other conditions like multiple meningiomas. Biopsy of an extraaxial brain lesion revealed non-necrotizing granulomas, and a right ventricular biopsy showed lymphocytes, leading to a presumed diagnosis of cardiac sarcoidosis. This case highlights the protean manifestations of sarcoidosis.
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