System: Lower Respiratory : Lung: Inflammatory: Sarcoidosis
Peribronchial region with adjacent epithelioid granulomas with some surrounding fibrosis are seen, and often present along lymphatic routes. Granulomas are non-necrotizing. Image
Multinucleated giant cells are also frequent Image
Similar image with granulomas abruptly transitioning to normal alveoli to the left Image
Lamellated calcification may be seen in the giant cells, known as Schaumann's bodies or conboidal bodies. Image
A different case - nicely well demarcated large epithelioid granulomas with an occasional multinucleated giant cell Image
This second case did have a necrotizing granuloma, which is rare but recognized in sarcoidosis. Image
From VA box.