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Sarcoidosis is a multisystemic disease characterized by a nonnecrotizing granulomatous inflammatory process that can progress through various stages of activity. The distinctive histology of sarcoidosis is often associated with various morphologic findings in the lung and other organs. The rare variants, necrotizing sarcoidal granulomas and nodular sarcoidosis, share some of the histologic features of typical sarcoidosis, but may have different clinical and pathologic manifestations. The clinician and pathologist should be aware of the diverse pathologic appearances of sarcoidosis.