Stage II sarcoidosis with both nodal and parenchymal disease. Chest x-ray demonstrates upper zone reticulonodular opacities with extensive mediastinal and hilar nodal enlargement. Marked mediastinal and perihilar adenopathy is present. Final Diagnosis - Bronchial biopsy: several multinucleated giant cells identified in a chronic inflammatory, non-necrotizing background; observations are consistent with sarcoidosis; special stains pending.
Picture 1; Picture 2; Picture 3; Picture 4; Picture 5; Picture 6 Case Sarcoidosis courtesy of Dr. Frank Gaillard, Radiopaedia.org