Merkel cell carcinoma: our experience in this rare pathology.

Merkel cell carcinoma (MCC) was first described in 1972 by Toker, who described five cases of the so-called "trabecular carcinoma of the skin". MCC is a rare, aggressive skin cancer that affects mainly the elderly. Sun exposed areas are mainly affected, specially the head and neck. Immunohistochemical analysis is essential to reach a correct diagnosis. According to the origin of MCC, the tumor expresses both epithelial and neuroendocrine markers. MCC has a propensity for recurrence, regional and distant metastases. Several treatment options are available, such as surgical excision or Moh's surgery, accompanied by neck dissection or radio and chemotherapy in advanced cases. The present study…