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HISTIOCITOSE DE CÉLULAS NÃO LANGERHANS PEDIÁTRICA - UM CASO ATÍPICO

Authors: Sandrina Coelho; Susana Machado; Rosário Alves; Gabriela Vasconcelos; Manuela Selores;

HISTIOCITOSE DE CÉLULAS NÃO LANGERHANS PEDIÁTRICA - UM CASO ATÍPICO

Abstract

Introdução: As histiocitoses são um grupo heterogéneo de doenças caracterizadas pela proliferação e infiltração dos tecidos por histiocitos. Durante muito tempo as histiocitoses foram conhecidas por diferentes nomes, reflectindo a falta de conhecimentos em relação à sua origem.Caso clínico: Uma criança aparentemente saudável de 4 meses de idade foi observada por lesão cutânea de crescimento progressivo com 1 mês de evolução. Mãe com diagnóstico de síndrome de Sjögren. Observava-se uma placa bem definida, firme, eritematosa, com 30mm diâmetro, de bordos elevados, no dorso do nariz, além de pequenas pápulas eritematosas, com 5 dias de evolução, na região malar esquerda, região torácica esquerda e braço direito. O estudo analítico mostrou anticorpos antinucleares elevados e anti-SS-A positivo. O exame histopatológico confirmou o diagnóstico de histiocitose de células não Langerhans. Surgiram progressivamente novas pápulas e placas anulares, eritematosas, dispersas pela face, tronco e membros, com resolução espontânea da lesão inicial do dorso do nariz. Cerca de 2 meses após a observação inicial, todas as lesões regrediram espontaneamente, com normalização laboratorial ao 1 ano de idade.Conclusão: Muitos autores acreditam que os diferentes subtipos de histiocitose representam apenas diferentes estadios da mesma doença. A imunofenotipagem da histiocitose nem sempre permite identificar o subtipo envolvido, pelo que são frequentes os casos atípicos.

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Keywords

Doenças da Pele, Histiocitose de Células Não Langerhans, RL1-803, Criança, Dermatology, Infectious and parasitic diseases, RC109-216

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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