1, Bowen-like papulosis; 2, pseudomalacia; 3, glossy moss; 4, common wart; 5, dermatophytosis; 6, angiokeratoma; 7, sebaceous ectasia; 8, sweat duct tumor; 9, sweat hole keratosis; 10, infectious molluscum contagiosum; 11, lichen planus; 12, pyogenic granuloma; 13, dermatofibroma; 14, seborrheic keratosis; 15, penile pearly papulosis; 16, papillary or tubular sweat adenoma; 17, adenocarcinoma of the sweat gland; 18, inverted follicular keratosis; 19, verrucous xanthoma.