Use of Nd:Yag1064nm-Laser in the treatment of Dermatosis papulosis nigra

Abstract

DPN is a benign cutaneous condition common among blacks. lt is usually characterized by multiple, small, hyperpigmented, flattened, or verrucous asymptomatic papules that measure 1-5 mm in diameter .Some authors consider papules of DPN as small seborrhoeic keratoses, and others classify it within the group of epithelial nevi. Although the lesions are benign, treatment is often sought for cosmetic reasons. This study aimed to detect the effectiveness of Nd: Y AG laser. 1 064 nm, with a specific laser parameters, in the treatment of DPN in Sudanese patients. and to determine the possible association between the effectiveness of Nd:Y .AG laser treatment and use of different methods of cooling. the study was held in laser clinic in Alyaa medical centre, KhartoumSudan..............