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Anais Brasileiros de Dermatologia
On-line version ISSN 1806-4841
SILVEIRA, Marina Leite da; FERREIRA, Flávia Regina; ALVARENGA, Marcia Lanzoni and MANDELBAUM, Samuel Henrique. Association of giant congenital melanocytic nevus, halo nevus and vitiligo in a 75-year-old patient. An. Bras. Dermatol. [online]. 2012, vol.87, n.2, pp.288-291. ISSN 1806-4841. http://dx.doi.org/10.1590/S0365-05962012000200015.
A giant congenital melanocytic nevus represents a rare condition. The halo phenomenon may be seen in congenital or acquired melanocytic nevi. In the literature, association of halo nevus and giant congenital melanocytic nevus is rare and the association of both with vitiligo even more rare. A 75-yearold woman at first consultation complained of a hyperchromic bluish-brown hairy macula on the lower back, buttocks and thighs present since birth and an achromic halo of onset three years ago. The histological features were consistent with congenital melanocytic nevus and halo nevus, respectively. After two years the patient developed achromic areas in normal skin, histologically consistent with vitiligo. The authors emphasize the rarity of this triple combination, the patient's age and the absence of malignant degeneration to date.
Keywords : Nevus, halo; Nevus, pigmented; Vitiligo.