Vitiligo is a acquired cutaneous disease, idiopathic, that affects approximately 1% of the world population. Nevus achromicus is a congenital anomaly observed in 0,2 to 0,3% of neonates and have a tendency to maintain itself stable in a long term. Although the diagnosis of vitiligo and nevus achromicus is based on clinical grounds, Wood´s light is a useful tool on the diagnosis of these discromic diseases. We report a case of a 26-year-old female patient that presented with spots compatible with nevus achromicus and vitiligo on the same body region.O vitiligo é uma doença cutânea adquirida, idiopática, que acomete aproximadamente 1% da população mundial. O nevo acrômico é uma anomalia congênita observada em 0,2 a 0,3% dos neonatos e possui ...