What do you mean by sea nevus?

According to Query 39 Health Network, wading nevus is a kind of dermatosis, which often appears in round, quasi-round or irregular pale white spots on face, neck and buttocks with blurred boundaries. It can occur after birth or in childhood, and it can be single or multiple. Anemia nevus is a kind of congenital vascular dysplasia. The structure of blood vessels is normal, but the function is abnormal, which indicates that the sensitivity of blood vessels to catecholamine is increased. Generally, there are no clinical symptoms and no treatment is needed. If you grow in an exposed position, you can consider cosmetic surgery for aesthetic reasons.