Paranasal Rosai-Dorfman Disease with Osseous Destruction

Figure 2

Permanent sections showing histology of Rosai-Dorfman disease; low power 100x (a) and high power 400x (b) hematoxylin and eosin stain showing histiocytic infiltrate. Blue arrow indicates emperipolesis. Positive immunostaining for CD68 (c) and S100 (d).

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