Did you know non sun related melanomas account for around 10% of all cases? Brush up on your knowledge of the less commonly seen forms of melanoma and know what to look out Non melanoma skin cancer refers to a group of skin cancers that include basal cell and squamous cell carcinoma. They are less worrisome than melanoma, but still require treatment, left untreated, they Melanoma: Diagnosis and Treatment AAFP Melanoma: Diagnosis, Features, Sentinel Node, & Staging Types of Melanoma with Pictures Types of melanoma