Clinical manifestations and diagnosis of freckles

freckles is an autosomal dominant genetic disease, manifested as a brown or pale face, black spots, after the sun increased.

freckles The clinical manifestations and diagnosis as follows:

mostly women, often after the age of 5 appear, mainly seen in the exposed parts, especially the face, especially the nasal dorsum and the cheeks, rare in non-exposed areas. Freckles lesions as brown spots, were round, oval or irregular shape. State clearly, Qu often irregular edges, about the size of needles or rice. Freckles increases with the number increasing with age, the color gradually deepened.