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Análisis de la densidad y distribución anatómica de nevos melanocíticos adquiridos, en adolescentes del estrato socioeconómico bajo de Santiago de Chile

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2008-06
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Zemelman Decarli, Viviana
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Análisis de la densidad y distribución anatómica de nevos melanocíticos adquiridos, en adolescentes del estrato socioeconómico bajo de Santiago de Chile
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  • Zemelman Decarli, Viviana;
  • Molina C., Paula;
  • Valenzuela, Carlos Y.;
  • Honeyman Mauro, Juan;
Abstract
There is an increase in the incidence of malignant melanoma in Chile. Previous studies have shown that the density and size of acquired melanocytic nevi (AMN) are a risk factor for developing malignant melanoma. Aim: To assess the number and anatomical distribution of acquired melanocytic nevi in Chilean adolescents. Material and methods: The number of AMN was counted in 30 anatomical sites in 201 Chilean school children (111 females), aged from 11 to 15 years. The number of small AMN (2-4.9 mm) and large AMN (>5 mm of diameter) was determined. Results: Mean AMN number per person was 32.7 (95% confidence interval (CI) 30.7-42.3) in males and 29 (95% CI 27.1-38.6) in females (p =NS). Males had a higher number of AMN in the face, neck and trunk. Females had a higher number of AMN in the upper and lower limbs. Older children, adolescents with history of sunburns and with lighter skin had a higher number of total, small and large nevi. Conclusions: The average number of AMN found in this study is similar to that reported in the literature. The differences in site distribution between males and females may be explained by a different sun exposure pattern
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URI: https://repositorio.uchile.cl/handle/2250/128358
ISSN: 0034-9887
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REVISTA MEDICA DE CHILE, Volume: 136, Issue: 6, Pages: 747-752, 2008
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