Medically reviewed by Brendan Camp, MD 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 ...

You’ll find a dermatofibroma most often on your arms ... If the spot looks suspicious, your doctor may do a skin biopsy. “This involves gentle removal of some or all of the spot,” Dr ...

However, in some cases, the dermatofibroma may feel itchy, irritated, or tender to the touch. Dermatofibromas develop when excess cells collect in the thickest layer of the skin, which is called ...

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.