Figure 2From: Cytophagic histiocytic panniculitis, hemophagocytic lymphohistiocytosis and undetermined autoimmune disorder: reconciling the puzzle Skin biopsy specimen. a) Hematoxylin-eosin stain (4x) showing subcutaneous infiltrate, mainly constituted of mononuclear cells; b) Immunohistochemical stain (20x) showing infiltrating histiocytes expressing CD68.Back to article page