Complex segregation analysis of facial melasma in Brazil: evidence for a genetic susceptibility with a dominant pattern of segregation.

Despite high prevalence, the etiopathology of melasma is not fully understood. Nevertheless, many factors have been associated with the disease, including: sun exposure, sex steroids hormones, drugs, stress, and pregnancy. The high occurrence within familiars (40-60%) suggests a genetic predisposition to the disease.

Scientific production of Brazilian dermatology: analysis of abstracts submitted at the Annual Meeting of the American Academy of Dermatology (2005 to 2013) and those eventually published.

In the last decade the presence of Brazilian physicians in International Meetings of Dermatology has been expressive. In parallel it has also been expressive the submission of poster abstracts in those Meetings. Considering the meetings from 2005 to 2013, 379 posters were presented in meetings of the American Academy of Dermatology.