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

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 ...

In a rare case, a man's "carnivore diet" caused large, yellow bumps to grow from his hands ... skin condition known as xanthelasma, in which harmless, yellow deposits of cholesterol build up under ...

Finding a lump under your skin can be alarming, but most of the time, it’s harmless. If it’s a cyst, it is a small sac filled with air, fluid, or other material. A tumor refers to any unusual ...