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Microscopic Examination of Mono- and Polychromatic Tattoos

Although forensic pathologists commonly note the presence, color, and quality of tattoos during external examination, opportunities to view their microscopic appearance are rare despite the rapidly increasing popularity of body modification. Microscopic examination of a section of skin marked with a monochromatic professional tattoo revealed abundant black tattoo pigment sequestered within the cells of the dermis (Image 1). Examination of the same field at high magnification allows the visualization of individual pigment granules (Image 2). Additionally, colored pigments are identifiable at high magnification; for example, a section of a predominantly red tattoo shows correspondingly-colored perivascular collections of red pigment granules (Image 3).