Sarcoma de Kaposi - Envolvimento visceral na Sida
Palavras-chave:
sarcoma de Kaposi, SK víscera infecção pelo HIV, síndrome de imunodeficiência adquirida, SIDAResumo
O Sarcoma de Kaposi (SK) é uma neoplasia mul tifoca de expressão predominantemente cutânea, mas que pode atingir órgãos viscerais. Estão des critas quatro variantes: o SK clássico, o endémico africano, o iatrogénico e o epidémico. Esta última variante surgiu com a associacão deste tumor à SIDA e tomou proporções importantes, tanto pela sua frequência como pela expressão clínica disse minada com atingimento visceral marcado. Os ho mossexuais constituem o grupo de risco mais afectado e admitem-se várias hipóteses etiológicas para esta neoplasia. Existe uma correlacão entre o grau de deficiência imunológica e a extensão da doença.
O SK associado à SIDA apresenta envolvimento visceral em 50 a 70% dos casos. No entanto, o envolvimento visceral isolado é raro. Descrevem-se as expressões gastro-intestina pulmonar e cardíaca da doenca, por serem os órgãos mais frequente mente atingidos.
A terapêutica é meramente paliativa e pode ser local ou sistémica. O SK raramente é causa de morte, com excepção do envolvimento pulmonar, vindo o doente a falecer em consequência de infeccões oportunistas.
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