Merkel cell carcinoma  , also called neuroendocrine  cancer  of the skin, is a rare type of disease in which malignant  (cancer) cells  are found on or just beneath the skin and in hair follicles  . Merkel cell carcinoma usually appears as firm, painless, shiny lumps of skin. These lumps or tumors ... 

Merkel cell carcinoma (MCC) is a rare, aggressive type of skin cancer that forms on or just under the skin. It is also called primary small cell carcinoma of the skin, trabecular carcinoma, APUDoma, neuroendocrine carcinoma, endocrine carcinoma, or primary undifferentiated tumor of the skin (1). MCC...