The case report of a 72 years old man who presented a dorsal cutaneous neoplasm is described, reason why he was assisted in a multidisciplinary way in 2 hospitals from Santiago de Cuba. Given the preoperative diagnosis of skin basal cell epithelioma the tumor was removed in an ambulatory way. The result of the pathologic study didn't confirm this diagnosis, but it corroborated that it was an atypical fibroxanthoma. With the wide surgical margins of security the patient's cure was achieved.