What is the definition or description of: merkel cell cancer?

Cutaneous neoplasm: Merkel-cell carcinoma (MCC) is a rare and highly aggressive form of skin cancer. in most cases, is caused by the Merkel cell polyomavirus (MCV). It serves as cutaneous neuroendocrine carcinoma of the skin is mostly seen on skin of face as a pink or red nodule and metastasizes rapidly like an aggressive melanoma. It does respond fairly well to wide excision when possible followed by Radiation