Rotteleur G, Chevallier JM, Piette F, Bergoend H.
DOI: 10.2340/0001555563567569

A case of basal cell epithelioma overlying a long-standing histiocytofibroma is presented. The association of these two tumors is a rare finding. The role of dermal factors in the pathogenesis of epidermal tumors is briefly discussed, just as the controversy about the reactive or neoplastic nature of the epidermal change.