The dermatofibroma pinch test is a simple way to tell if the bump on your skin is a mole or a benign (harmless) growth called a dermatofibroma. If you pinch a dermatofibroma, it creates a dimple ...

Dermatofibromas are small, harmless growths that appear on the skin. These growths, or papules, can develop anywhere on the body, but they are most common on the arms, lower legs, and upper back.