Resumo: FUNDAMENTOS - O vitiligo atinge de 0,5 a 4% da populacao mundial, e 25% dos casos se iniciam antes dos 10 anos. Embora prevalente, estudos epidemiologicos de vitiligo na infância sao raros na literatura brasileira. O BJETIVO - Avaliar caracteristicas clinicas e epidemiologicas do vitiligo na infância. METODO - Realizado estudo descritivo em 73 criancas com vitiligo, atendidas no Ambulatorio de Dermatologia Pediatrica do Hospital das Clinicas da Universidade Federal de Minas Gerais. Variaveis como sexo, idades ao ini- cio da doenca e tratamento, superficie corporal acometida, forma clinica, localizacao, associacao com doencas auto-imunes, historia familiar de vitiligo e tratamento inicial foram avaliadas. A analise estatistica foi realizada usando frequencias simples e comparacao de medias pela analise de variância. R ESULTADOS - 60,3% dos pacientes eram do sexo feminino. A media de idade ao inicio da doenca foi 5,7, e a do inicio do tratamento, sete anos. A superficie corporal acometida foi inferior a 1% em 71,8%, e a forma localizada foi detectada em 76,7% dos casos. A localizacao mais comum foi o segmento cefalico. O vitiligo em familiares foi observado em 30,1% dos casos. O hipotireoidismo foi detectado em um paciente, e 11% deles relataram a presenca de doenca auto-imune em familiares. O corticoide topico foi o tratamento inicial na maioria dos pacientes. C ONCLUSOES - Os achados deste estudo ambulatorial sao basicamente semelhantes aos encontrados em estudos rea- lizados em outros paises. Palavras-chave: Auto-imunidade; Crianca; Vitiligo; Vitiligo/epidemiologia Abstract: B ACKGROUND: vitiligo affects 0.5 to 4% of the world population. Twenty-five per cent of cases have their onset before the age of 10 years. Although the condition is prevalent in childhood, there are few epidemiologi- cal reports in children in the Brazilian literature. O BJECTIVE: to evaluate clinical and epidemiologic characteristics of vitiligo in childhood. METHODS: a descriptive study was performed in 73 children with vitiligo seen at the Pediatric Dermatology Outpatient Clinics of the Hospital das Clinicas- Universage Federal de Minas Gerais. The variables sex, age of onset of disease and treatment, affected body surface area, clinical type, site, autoimmune disease association, family history of vitiligo and initial treatment were evaluated. The statistical analysis was performed using simple frequency and means were compared through analysis of variance. R ESULTS: Females accounted for 60.3% of the sample. The mean age at onset of disease was 5.7 years and the mean age at onset of treatment was 7 years. The body surface area affected was smaller than 1% in 71.8% and the localized type was detected in 76.7%. The most common site affected was the head. Family history of viti- ligo was observed in 30.1% of patients. Hypothyroidism was found in one patient and 11% reported autoim- mune diseases in their families. The initial treatment was topical steroids in the majority of patients. C ONCLUSIONS: the findings of vitiligo in childhood in this study are basically similar to those reported in other
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