There are three main skin cancer types . These are: basal cell carcinoma , squamous cell carcinoma , and malignant melanoma. Learn more. Written by a GP. Learn how to spot the early warning signs of skin cancer , including melanoma, basal cell carcinoma , squamous cell carcinoma , and more. These skin cancer pictures will help you differentiate between types , including basal cell and squamous cell carcinomas, melanoma, actinic keratosis, and merkel cell carcinoma . Skin cancer types are categorized by the type of cells involved and where the cancer develops. While some types of skin cancer are common, others are rare. The skin is made up of a variety of cells, many of which are in constant motion. Round basal cells below the surface flatten as they rise to replace dead, flaking squamous cells on the surface. Melanocytes tan the skin in the sunlight, and ...
