Nevus comedonicus

Nevus comedonicus (also known as a 'comedo nevus') is characterized by closely arranged, grouped, often linear, slightly elevated papules that have at their center keratinous plugs resembling comedones.:634:774 Nevus comedonicus (also known as a 'comedo nevus') is characterized by closely arranged, grouped, often linear, slightly elevated papules that have at their center keratinous plugs resembling comedones.:634:774