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Sarcoidosis Simulating Metastatic Melanoma

Imaging findings

Follow-up imaging for melanoma revealed bilateral hilar and mediastinal lymph node enlargement, with no other findings suggestive of metastatic disease.

Key takeaways

This case illustrates sarcoidosis masquerading as metastatic disease in a patient with melanoma, highlighting the importance of considering sarcoidosis (confirmed by transbronchial biopsy showing non-caseating granulomas) when evaluating symmetric lymphadenopathy, even in oncologic contexts.

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