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Acta Dermatovenerol Croat. 2013;21(4):253-8.

Clinical characteristics of alopecia areata in Down syndrome.

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Juliany Lima Estefan, MD, MSc, Brigadeiro Trompowsky , Ave s/n - Ilha do Fundão, Rio Janeiro, RJ - Brasil - 21.941-590;


This study was undertaken to better understand clinical characteristics, environmental and physical events in Down syndrome (DS) and alopecia areata (AA). This cross-sectional study included 18 DS patients who were currently presenting or had presented AA. We evaluated gender, age, location and type of AA, presence of autoimmune disease or atopy, AA in first-degree relatives, and environmental, physical, and clinical intercurrences. The mean age of study subjects was 11.6 (SD ± 5.5) years and mean age at AA onset 7.2 (2.5 to 15.2) years. The duration of alopecia episodes varied, with a mean of 2.7 (0.1 to 18.7) years. Recurrence of AA was reported in 27.7% (5/18) of subjects, with a mean number of recurrences of 3.6. Localized type AA was seen in 83.4% of individuals, with the most frequent location on the scalp (100%). Seven of the individuals presented atopy. Fourteen individuals had undergone environmental and/or clinical intercurrences. In conclusion, the most frequent presentation of AA in DS is the non-recurrent, localized form on the scalp, with a varied period of duration. Changes in the individuals' routine occurred in more than half of the study group. We suggest further studies of the psychology and immunogenetics in the etiopathology of AA in DS.

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