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Displasia Fibrosa - revisão bibliográfica

Authors: Joaquim Ramalhão; Pedro Mesquita; Luís Medeiros;

Displasia Fibrosa - revisão bibliográfica

Abstract

A displasia fibrosa é uma lesão de etiologia desconhecida e que se enquadra nas lesões osteofibrosas benignas. Caracteriza-se pela substituição gradual do osso medular, por tecido fibroso celular, contendo ilhas ou trabéculas de osso metaplásico. Normalmente é uma lesão monostótica, mais comum na maxila, e em jovens, podendo também envolver múltiplos ossos, designando-se por poliostóstica. A displasia fibrosa na variante poliostótica pode surgir como uma manifestação do Síndrome McCune-Albright, associando-se a pigmentações cutâneas e a alterações endócrinas. Embora seja uma lesão não maligna, pelo seu carácter auto-limitante, a zona afectada não volta ao normal, estando descritos na literatura científica, casos de evolução sarcomatosa, numa frequência inferior a 1%.

Fibrous dysplasia is a non-neoplastic bone lesion of unknown etiology. It is a non-encapsulated lesion occuring mainly in young subjects, usually in the maxilla, and showing replacement of the normal bone by cellular fibrous tissue containing islands or trabeculae of metaplastic bone. Fibrous dysplasia is usually monostotic, but may occasionally be part of a polyostotic process. The polyostotic lesion may occur as part of McCune-Albright syndrome, a condition that includes skin pigmentation and endocrinopathies. Although fibrous dysplasis is self-limiting, the affected area does not return to normal, and there are in the literature descriptions of cases of sarcoma in fibrous dysplasia, with a frequency less than 1%.

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Portugal
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Keywords

Ciências médicas e da saúde::Ciências da saúde, Medical and Health sciences::Health sciences, Estomatologia, Ciências da saúde, Stomatology, Health sciences

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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