Resumen
Foram selecionados quatro carcinomas ductais invasivos de mama com graus de anaplasia progressivos e testados por métodos imuno-histoquímicos para marcadores de diferenciação mamária com o objetivo de verificar a correlação entre grau histológico e a presença desses marcadores. Foram utilizados anticorpos contra alfa-Iactoalbumina, lactoferrina, caseína, componente secretor, antígeno epitclial de membrana e antígeno carcinoembriônico. A neoplasia mais diferenciada resultou positiva para todos os antígenos pesquisados, enquanto a neoplasia menos diferenciada resultou negativa, com exceção da alfa-Iactoalburnina, As neoplasias com diferenciação intermediária apresentaram coloração focal nas áreas mais diferenciadas da lesão. Uma correlação entre a expressão dos antígenos de diferenciação celular mamária e uma boa diferenciação histológica foi verificada para a maioria dos marcadores utilizados.
Citas
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Derechos de autor 1990 Cynthia Bomfim Pestana, Paulo Cyrillo Cardoso de Almeida