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Histiocitose de células de langerhans: um estudo de 20 casos

Langerhans cell histiocitosis: a study of 20 cases
Authors: Vinhais, Sofia; Farinha, Pedro; Cunha, Teresa Margarida;

Histiocitose de células de langerhans: um estudo de 20 casos

Abstract

Objectivo: Descrever os aspectos clínico-radiológicos da Histiocitose de Células de Langerhans (HCL) numa série de doentes. Material e Métodos: Reviram-se 20 casos de HCL, nove com diagnóstico segundo os actuais critérios anátomo-patológicos (positividade para CD1a e/ou presença de grânulos de Birbeck em microscopia electrónica), outros nove apenas com critérios morfológicos, e dois casos com diagnóstico patológico estabelecido fora da instituição, não susceptível de aferição anátomo- patológica. Resultados: A razão sexo masculino:feminino foi 4:1 e a média de idades de apresentação da doença 8 anos (variação: 2 meses - 44 anos). Os quatro órgãos mais frequentemente envolvidos foram, por ordem decrescente: osso, gânglios linfáticos, pele e hipófise. Dois doentes tinham doença unifocal óssea, oito apresentavam doença multifocal-unissistémica, em sede óssea ou ganglionar, e dez doença multissistémica. As lesões líticas foram o achado radiológico mais frequente, distribuindo-se predominantemente na calote craniana, ossos ilíacos e fémures. As alterações pulmonares constituiram achado minoritário. Conclusão: A série em estudo incluiu uma proporção grande de casos com gravidade clínica (10 doentes com HCL multissistémica), tendo-se observado em número relativamente restrito a forma menos grave da doença, correspondente ao clássico granuloma eosinófilo. A aparência das alterações radiológicas foi contudo similar à descrita na literatura.

Keywords

Hand-schuller-christian disease, Letterer-siwe disease, Eosinophilic granuloma, Histiocitoses, Doença de letterer-siwe, Histiocitose de células de langerhans, Granuloma eosinófilo, Langerhans cell histiocytosis, Doença de hand-schuller-christian, Histiocytosis

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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
Green