AKN manifests on the nape of the neck as keloidal papules and plaques that can coalesce from juicy papules and pustules into firm plaques and nodules. The papules of AKN can be red, brown, or black ...
Acne keloidalis nuchae (AKN) is a scarring eruption due to chronic inflammation of the hair follicles. AKN manifests on the nape of the neck as keloidal papules and plaques that can coalesce from ...