Caso para diagnóstico

Abstract

História da doençaPaciente pardo, de 16 anos, com manchas hiper e hipocrômicas no tronco desde o nascimento, cujo tamanho aumentou durante a infância, proporcionalmente ao seu crescimento.Ao exame notavam-se máculas hiper e hipocrô-micas adjacentes, de contorno geográfico, no lado direito do tronco, anterior e posteriormente, ultrapassando a linha média e estendendo-se para o braço direito e região axilar (Figuras 1, 2 e 3).Exame histopatológico: pele normal. Comentários

Segmental hypomelanosis and hypermelanosis arranged in a checkerboard pattern are distinct naevi: flag‐like hypomelanotic naevus and flag‐like hypermelanotic naevus

“…d). FHyper was reported to occur paired with FHypo . Also, FHyper was found in the context of PMR (Fig.…”

“…It should be pointed out, however, that the question whether FHyper containing multiple Spitz naevi may or may not be categorized as PNS cannot be settled so far. Fourth, FHyper has been found in association with flag‐like hypomelanotic naevus or in the context of phacomatosis pigmentovascularis . Fifth, FHyper is more often present on the anterior aspect and right side of the body (see above for discussion).…”

“…Hypomelanotic lesions were reported to co‐occur with FHyper (Fig. d), Becker naevus (Fig. e), or some forms of phacomatosis pigmentovascularis (phacomatosis melanorosea or uncategorized cases).…”

Unilateral nevoid telangiectasia, diagnostic and therapeutic challenge

“…6 The diagnosis of telangiectasia can be confirmed by histopathological examination, in which the presence of dilated and thin-walled capillaries in the papillary dermis, without endothelial proliferation or neoangiogenesis, mild perianexial and perivascular lymphocytic infiltrate. 2,6,9,13 However, it may require a perilesional skin biopsy for comparison. 6 Its main differential diagnosis is Serpiginous Angioma and in this there is the proliferation of dilated capillaries, with thickened walls in the papillary dermis.…”