Fig. 3From: 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 second operation. A. Histiocytes with emperipolesis (HE, 40×). B. Large histiocytes with emperipolesis, immunoreactive for S-100 (40×). C. Histiocytes with emperipolesis, immunoreactive for CD68 (40×). D. Histiocytes with low proliferation index, immunoreactive for Ki-67 (40×)Back to article page