RESUMO

Metaplastic carcinoma is a very rare breast neoplasm that is often confused with benign and others malignant entities on both clinical and conventional histopathologic basis. Three cases of metaplastic carcinoma of breast are presented. The difficulties found on fine needle aspiration cytology and the limitations of this procedure are discussed as well the main features of this tumor.

Assuntos

Neoplasias da Mama/patologia , Metaplasia/patologia , Adulto , Idoso , Biópsia por Agulha , Neoplasias da Mama/classificação , Carcinoma Ductal de Mama/patologia , Carcinoma de Células Escamosas/patologia , Diferenciação Celular , Diagnóstico Diferencial , Feminino , Humanos , Queratinas/metabolismo , Pessoa de Meia-Idade