Dermatofibromas are hard brown or red lumps under the skin. They usually develop on exposed areas of skin, such as the legs, arms, and back. Dermatofibromas do not develop into cancer. In general ...

After spending years on a "carnivore diet," a man from Tampa, Florida, developed yellowish nodules on his hands, elbows ...

These are not a rash but hard lumps that form directly under the skin. They range from about the ... such as elbows, hands, or fingers. About 40% of people with RA will have rheumatoid nodules ...