Epidemiology of melasma in Brazilian patients: a multicenter study

Background Melasma is an acquired, irregularly patterned, light to dark‐brown hypermelanosis, with symmetric distribution mostly over the face. The aim of this study was to evaluate clinical characteristics and factors related to melasma in Brazilian patients. Methods This was a cross‐sectional, mul...

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Bibliographic Details
Published in:International journal of dermatology 2014-04, Vol.53 (4), p.440-444
Main Authors: Hexsel, Doris, Lacerda, Davi A., Cavalcante, Andrea S., Filho, Carlos A. S. Machado, Kalil, Célia Luiza P. V., Ayres, Eloísa L., Azulay-Abulafia, Luna, Weber, Magda B., Serra, Marcio S., Lopes, Nádya F. P., Cestari, Tania F.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age of Onset
Aged
Aged, 80 and over
Brazil - epidemiology
Cross-Sectional Studies
Face
Female
Humans
Male
Melanosis - epidemiology
Melanosis - etiology
Melanosis - genetics
Middle Aged
Postmenopause
Pregnancy
Pregnancy Complications - epidemiology
Prevalence
Sex Factors
Skin Pigmentation
Surveys and Questionnaires
Ultraviolet Rays - adverse effects
Young Adult
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Summary:Background Melasma is an acquired, irregularly patterned, light to dark‐brown hypermelanosis, with symmetric distribution mostly over the face. The aim of this study was to evaluate clinical characteristics and factors related to melasma in Brazilian patients. Methods This was a cross‐sectional, multicenter study performed in Brazil. Investigators examined and questioned 953 patients over 18 years of age on clinical characteristics and other factors related to their melasma. Results Melasma was more prevalent in women (97.5%) and in Fitzpatrick skin phototypes II (12.8%), III (36.3%), and IV (39.7%). Skin phototypes II and III and family history of melasma had early onset of the disorder when compared with skin phototypes IV, V, and VI (P 
ISSN:0011-9059
1365-4632
DOI:10.1111/j.1365-4632.2012.05748.x