Acne keloidalis, Acne Keloidalis Nuchae (AKN), Keloid Folliculitis, Folliculitis Keloidalis Nuchae, Nuchal Keloid A, Dermatitis Papillaris Capillitii)
Are You Confident of the Diagnosis? What you should be alert for in the history Characteristic findings on physical examination include follicular-based papular (Figure 1) or pustular presentation with ingrown hairs and hypertrophic or keloidal scarring on the nape of the neck (Figure 2). Papules or pustules may form confluent plaques with draining sinus tracks.…