melanoma-arising-in-a-congenital-nevus

Clinical features •Fairly common affecting 0.6-1.6% of the population •Classified into small (1.5 cm or less in diameter, medium (1.5-20 cm) & large/giant/bathing trunk (>20 cm) •Present at birth & sometimes multiple (satellite lesions) .May be associated with hypertrichosis •Trunk & legs>head & neck, feet & hands . Development of a halo may be associated with spontaneous…