Extranodal Rosai-Dorfman Disease : CNS

Comments:
Extranodal Rosai-Dorfman disease presenting as a dura-based mass. The image shows several histiocytes with emperipolesis as well as erythrophagocytosis. Scattered lymphocytes are present in the background.

Image courtesy of: Adelita Vizcaino, MD, Baltimore, Maryland, USA; used with permission.