Acne keloidalis nuchae is a chronic, scarring folliculitis that affect
s mostly black patients and is located on the back of the neck of youn
g adults. The course is progressive and leads to hypertrophic scarring
, chronic abscesses and hair loss. We discuss the relationship between
acne keloidalis and tufted hair folliculitis, pointing out the possib
ility that tufted hair folliculitis is not a specific disease but seco
ndary to other progressive folliculitis like folliculitis decalvans, d
issecting cellulitis or acne keloidalis.