“…[1][2][3] Meanwhile, however, pigmented wounds arising from various sources of trauma are also categorized as tattoos, traumatic ones. 2 These tattoos involve the forceful embedding of foreign bodies into the skin: potential materials include graphite, asphalt, petroleum products, sand, metals, glass, gunpowder, or dust. 4 When pigmented foreign bodies enter into the dermis, large phagosomes found in keratinocytes, macrophages, and mesenchymal cells engulf the particles, creating varying degrees of hypertrophic scar tissue.…”