How are flat warts characterized in patients with human papillomavirus (HPV) infection?
Presentation of HPV-related Flat Warts (Verruca plana) • < 5 mm • Brown, skin-colored or pink round or oval bumps • Usually on face, hands, legs and feet • Associated with pruritis and erythema • Benign and self-limited • Not painful • Significant effect on complexion, otherwise not obvious