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Anais Brasileiros de Dermatologia

versão impressa ISSN 0365-0596versão On-line ISSN 1806-4841

Resumo

FERNANDES, Nurimar Conceição  e  MACHADO, José Leonardo Rodrigues. Clinical study of the congenital melanocytic naevi in the child and adolescent. An. Bras. Dermatol. [online]. 2009, vol.84, n.2, pp.129-135. ISSN 1806-4841.  https://doi.org/10.1590/S0365-05962009000200005.

BACKGROUND: The classification of the congenital melanocytic nevus (CMN) and the magnitude of the risk of transformation into melanoma are still controversal. OBJECTIVE: To analyse the profile of the CMN in the child and teenager at IPPMG-UFRJ according to sex, skin colour, age, clinical type, locations and evolution. METHODS: Longitudinal study of retrospective and prospective cohort from 1994 to 2007. Aleatoric sample from spontaneous or referal demand. RESULTS: 30 children and 30 teenagers showed 74 nevi: 60,8% (small), 27% (medium), 5,4% (large) and 6,7% (giant); from these, 45,9% were in the male sex and 54% in the female sex. There were 45,9% in white and 54% in non-white. Sex and skin colour didn't influence the clinical type. Among the small and medium nevi, 27,1% were located in the trunk, 23% in the head and neck; the large and giant ones in the head,neck, back and limbs; 28,3% were attended for more than 10 years, 47,3% between three and nine years and 24,4% for a time below three years; the small and medium CMN kept unchanged. The fading of the lesion was observed in one large and in two giant CMN. No cases of melanoma were observed. CONCLUSION: An homogeneous distribution among white/non white and male/female; the sex and the ethnic group did not influence the clinical type; the small CMN was the most frequent clinical type mainly in the trunk.

Palavras-chave : Adolescent; Child; Melanoma; Nevus, pigmented.

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