title: Reactive perforating collagenosis.
mesh_terms: D000328:Adult; D003095:Collagen Diseases / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D007633:Keratins; D008297:Male; D009336:Necrosis; D012871:Skin Diseases / Q000175:diagnosis* / Q000473:pathology
chemical_list: D007633:Keratins