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Human Papillomavirus–Induced Lesions on Tattoos May Show Features of Seborrheic Keratosis

Pedro Valerón-Almazán, MD; Jesús Bastida, MD; Pino Rivero, MD; Jaime Vilar, MD; Luis Dehesa, MD; Carlos Díaz-Cascajo, MD; Gregorio Carretero, MD
Arch Dermatol. 2011;147(3):370. doi:10.1001/archdermatol.2011.17.
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A 29-year-old woman and 2 men, 24 and 26 years old, presented with rapidly growing lesions that appeared after a tattooing session. Clinical examination showed several brown papules located on tattoos on the shoulder, arm, and flank, respectively (Figure 1). Dermoscopic examination of patients 2 and 3 revealed generalized “fat fingers” (Figure 2). Histopathologic analysis showed a basaloid cell proliferation with varying amounts of hyperkeratosis and acanthosis. A cellular infiltrate with macrophages containing inorganic pigment around dermal vessels was also evident (Figure 3).

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[Seborrheic keratosis erupting in a tattoo]. Ann Dermatol Venereol 1998;125(4):261-3.