The abnormal growth of skin cells. Skin cancers may cause some physical changes to your skin. A small number of them are malignant melanomas — that means they tend to spread to other parts of your body.
Frequently Asked Questions
Some of these cancers start as actinic keratoses (AK), a skin pre-cancer seen here. AKs are generally small, rough, or scaly flesh-colored patches that tend to start on sun-exposed areas. … Squamous cell carcinomas may appear as flat reddish or brownish patches in the skin, often with a rough, scaly, or crusted surface.
“Picking at skin cancers is very bad because you can scratch the top of it off and normal skin will grow in from the sides. So, you think, “Oh, well I got rid of that.” But you can’t pick a skin cancer completely off. The tumor is under that layer of skin and keeps growing.”
Often a red rash that could be cancer looks very similar to those caused by psoriasis or eczema, experts warned. They can cause red patches, itching, burning, and dry, scaly skin. Raised blueish or yellow bumps may also appear.