<unk>  (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.
Nevus comedonicus
Nevus depigmentosus
Adenoma sebaceum
Eccrine nevus
Nevus lipomatosus superficialis
Aromaticum rosatum
Dermal cylindroma
Nevus sebaceous