[Merkel cell carcinoma of the facial skin. Cases presentation and general rules of treatment].

Merkel cell carcinoma is an aggressive, malignant, neuroendocrine tumor of the skin. The aim of the study is to present the clinical pictures, methods and results of treatment of MCC in the Clinic of Maxillofacial Surgery in Rzeszow in years 2003-2010. Changes were located on the skin of the face of four patients. All patients were treated surgically, the primary change was removed. Recurrence after surgical treatment was observed in all patients. The observations confirmed the data from the literature about the incidence of MCC over 75 years of age, aggressiveness and difficulties in treatment of this disease.