folliculitis decalvans, and acne keloidalis. These diseases can usually be distinguished clinically, and all have in common the loss of follicular orifices or ostia in areas of involvement (see ...

Acne cosmetica, scalp folliculitis, and acne keloidalis nuchae are scalp conditions that can cause pimple-like bumps on the scalp or along the hairline. Each has a different cause and distinct ...

Folliculitis decalvans is a scarring folliculitis of the scalp in which Staphylococcus aureus is commonly cultured. The onset is typically in young and middle-aged adults who are otherwise healthy ...