Dermatofibroma Causes & Risks

Causes

The cause is unknown. They sometimes seem to appear after a minor injury to the skin. This can include an insect bite or a prick of a thorn.

Risk Factors

The following factors increase your chance of developing dermatofibromas:

• Sex: women are more likely to develop this condition than men.
• Age: middle-aged adults (dermatofibromas are rarely found in children)