[Ulcerated nodule with satellite lesions on the pulp of the first finger of an elderly male patient].

Histopathological study showed pseudoepitheliomatous hyperplasia of the epidermis and there was a granulomatous inlammatory iniltrate in the dermis composed of histiocytes, eosinophils, and polymorphonuclear cells. Globular structures with a thick, pigmented wall were seen scattered between the inlammatory cells, some of them arranged in the form of a rosary. hese structures stained with periodic acid-Schif (Figure 3), methenamine silver, and Fontana-Masson stains.