What is the difference between a melanoma and skin cancer ? Learn how to check your skin for symptoms, how they are diagnosed and treated here Where do skin cancers start? Most skin cancers start in the top layer of skin , called the epidermis. There are 3 main types of cells in this layer: Squamous cells: These are flat cells in the upper (outer) part of the epidermis, which are constantly shed as new ones form. When these cells grow out of control, they can develop into squamous cell skin cancer (also called squamous cell carcinoma ... Millions of Americans develop skin cancer every year. Knowing the warning signs could help you find the most common types of skin cancer early, when it's highly treatable. General information about skin cancer . Read about different skin cancer types , symptoms, causes and prevention of skin cancer .
