[Pilomatrixoma (calcified epithelioma of Malherbe). Report of a case and brief review ot the literature]. / Pilomatrixoma (epitelioma calcificado de Malherbe). Informe de un caso y breve revisión de la literatura.

A case of a upper extremity pilomatrixoma (calcifying epithelioma of Malherbe) clinically confused with a secondary reaction to the dog antigen application presented in a young woman and diagnosed following surgically excised is presented. On cytologic examination, basaloid cells, multinucleated giant cells and deposits of calcium were identified. Adjacent to the basaloid cells were acellular masses suggestive of ghost cells.