A Becker nevus is a late-onset birthmark occurring mostly in males. It is also known as Becker melanosis. It is due to an overgrowth of the upper layers of the skin, pigment cells and hair follicles.
A Becker nevus is a late-onset birthmark occurring mostly in males. It is also known as Becker melanosis. It is due to an overgrowth of the upper layers of the skin, pigment cells and hair follicles.