Androgenetic Alopecia

Excerpt

Pattern or androgenetic alopecia is a genetically predetermined disorder due to excessive response to androgens which affects up to 50% of males and females. It is characterized by progressive loss of terminal hair of the scalp any time after puberty, in a characteristic distribution in both males and females. In males, hair loss is most prominent in the vertex and frontotemporal regions, while in women the frontal hairline is typically spared with diffuse apical hair loss noted as a wider anterior part of the hair..