Fig. 2.

Histopathological analyses of the skin lesion. A. Abdominal skin lesion used for histopathological evaluation. B. Hematoxylin and eosin staining (20x) showing dense dermal infiltrate consisting of histiocytes, some lymphocytes and plasma cells. Touton giant cells were not detected. A 60× magnification of the respective area is shown in the lower right corner. C. Positive CD68 staining (20x) for confirmation of the histiocytic phenotype. D. Negative CD1a and S100 staining (20x) ruling out Langerhans cell histiocytosis.