Pimple With Brown Center. Skin cancer can start as small pink or red pearly bumps which might have blue brown or black areas. It simply became oxidized and turned bown.

It simply became oxidized and turned bown. This often leaves scars and can become infected. Here are a few examples.
Generally melanomas are black or brown but they can also be red or even a blueish purple.
The other two proved more difficult because of their thick texture but Dr. Called amelanotic melanomas these can be harder to. Basal cell carcinoma is a form of cancer that affects the top layer of skin. Open sores that dont healor heal and then come backmight also be skin cancer.