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MUCINOSES CUTÂNEAS PRIMÁRIAS – REVISÃO CLÍNICOPATOLÓGICA

Authors: João Alves; Diogo Matos; Manuela Capitão-Mor;

MUCINOSES CUTÂNEAS PRIMÁRIAS – REVISÃO CLÍNICOPATOLÓGICA

Abstract

Introdução: As mucinoses cutâneas são doenças raras, caracterizadas pela deposição excessiva de mucina na pele. Podem ser primárias ou secundárias e associarem-se a paraproteinémia, diabetes mellitus, doenças tiroideias ou auto-imunes. O objectivo deste estudo consistiu em rever e caracterizar as diferentes mucinoses cutâneas primárias diagnosticadas no nosso Serviço visando facilitar o seu reconhecimento clínico e patológico.Material e Métodos: Realizou-se estudo retrospectivo dos exames histopatológicos dos doentes com diagnóstico de mucinose primária, no período compreendido entre Janeiro de 2000 e Dezembro de 2012. Foram avaliados dados demográficos, clínicos e histológicos e realizada revisão da literatura.Resultados: Foram diagnosticados 15 casos de mucinoses em 8 mulheres e 7 homens. As mucinoses diagnosticadas foram: líquen mixedematoso (7/15), mucinose eritematosa reticular (3/15), escleredema (3/15) e mixedema pré-tibial (2/15). Dentro da primeira distinguiram-se as formas papulosa discreta (3/7), mucinose papular acral persistente (2/7), nodular (1/7) e atípica (1/7). Encontrou-se associação com hipertiroidismo (nos casos de mixedema prétibial) e cirrose biliar primária, hepatite auto-imune e mieloma múltiplo (em 2 dos casos de escleredema).Conclusões: O número limitado de casos diagnosticados explica-se pela raridade destas condições. Com base nos resultados obtidos realizou-se revisão anátomo-clínica com especial ênfase para o tipo de lesão, distribuição e evolução, assim como a presença ou ausência de manifestações sistémicas ou associações patológicas. Em relação à histopatologia os dados fundamentais para o diagnóstico diferencial são o padrão de distribuição da mucina, grau de proliferação fibroblástica, morfologia das fibras de colagénio, número de fibras elásticas e presença ou ausência de fibrose.

Related Organizations
Keywords

Fibras de Colagénio, Mucina, Azul de Alcian, RL1-803, Mucinoses cutâneas, Dermatology, Infectious and parasitic diseases, RC109-216, Fibroblastos

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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!
1
Average
Average
Average
Published in a Diamond OA journal