“…Solar radiation, some subtypes of human papillomavirus (HPV) and the exposure to arsenic have been involved in its etiology [1,2,3,4]. BD clinically appears as a well-defined erythematous lesion, with a slightly hyperkeratotic surface that usually presents slow growth [5, 6]. Diverse histological varieties of BD have been described: psoriasiform, atrophic, acanthotic, verrucous-hyperkeratotic, pigmented and clear cell BD [5,6,7].…”