Fig. 2From: Rosai-Dorfman disease in the central nervous system with two isolated lesions originated from a single clone: a case reportHistopathology of Rosai-Dorfman disease from the first operation. A. Large histiocytes with emperipolesis (HE, 40×). B. Histiocytes with emperipolesis, immunoreactive for CD68 (40×). C. Histiocytes with emperipolesis, immunoreactive for S-100 (40×). D. Histiocytes with emperipolesis, immunoreactive for CD1a (20×)Back to article page