title: Acne keloidalis nuchae. A transepithelial elimination disorder.
abstract: In four cases of acne keloidalis nuchae, varying stages of transepithelial elimination were observed histologically, suggesting that acne keloidalis represents a transepithelial elimination disorder akin to perforating folliculitis.
mesh_terms: D000153:Acne Keloid / Q000473:pathology*; D000328:Adult; D001706:Biopsy; D004848:Epithelium / Q000473:pathology; D005499:Folliculitis / Q000473:pathology*; D006197:Hair / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000473:pathology