Fig. 2
From: Incomplete penetrance of NOD2 C483W mutation underlining Blau syndrome
Histopathologic findings and special staining. A Hematoxylin and eosin (H&E) stain show hyperkeratosis and heavy infiltrated dermis with multiple small non-caseating granuloma; B Occasional multinucleated giant cells and lymphocytes around granulomas; C Negative findings under Periodic acid–Schiff stain; and D Negative findings under Fite stain