A type of acneiform disorder in which secondary pyogenic infection in and around pilosebaceous structures ends in keloidal scarring. It manifests as persistent folliculitis of the back of the neck associated with occlusion of the follicular orifices. It is most often encountered in black or Asian men.

Synonyms: Keloidalis Nuchae, Lichen, Papillaris Capillitius, Dermatitis, Acne Keloids, Dermatitis Papillaris Capillitii, Keloidal Acne, Nuchal Keloid Acne, Keloidal Acnes, Acne Keloidalis, Nuchae, Lichen Keloidalis, Folliculitis Keloidalis Nuchae, Nuchae, Folliculitis Keloidalis, Dermatitis Papillaris Capillitius, Folliculitis Keloidalis, Keloid Acne, Nuchal, Keloidalis Nuchae, Folliculitis, Acne Keloid, Acne, Nuchal Keloid, Acnes, Nuchal Keloid, Capillitii, Dermatitis Papillaris, Keloid, Acne, Acne, Keloidal, Nuchal Keloid Acnes, Lichen Keloidalis Nuchae, Capillitius, Dermatitis Papillaris, Papillaris Capillitii, Dermatitis, Keloid Acnes, Nuchal, Keloids, Acne