Figure 2.

a) Histiocytic infiltration. b) Histiocytes positive for CD 68 PG-M1. c) Histiocytes negative for S-100. d) Histiocytes negative for CD1a.

a) Histiocytic infiltration. b) Histiocytes positive for CD 68 PG-M1. c) Histiocytes negative for S-100. d) Histiocytes negative for CD1a.