title: Multiple follicular papules on the back of an elderly man. Necrotizing infundibular crystalline folliculitis (NICF).
authors: University Hospital of Coimbra, Coimbra, Portugal.
authors: José C
authors: JC
authors: Cardoso
authors: Jonathan
authors: J
authors: Leonard
authors: James
authors: J
authors: Carton
authors: Eduardo
authors: E
authors: Calonje
mesh_terms: D000369:Aged, 80 and over; D001415:Back; D001706:Biopsy; D003460:Crystallization; D005499:Folliculitis / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D009336:Necrosis / Q000175:diagnosis* / Q000473:pathology