Fine-needle Aspiration Cytology to Identify a Rare Mimicker of Breast Cancer: Plasma Cell Mastitis

Abstract There are rare benign diseases that can mimic malignant breast neoplasms in the clinical exam and in mammography. We evaluated the contribution of an accessible procedure to most clinicians, the fine-needle aspiration cytology, to identify a rare mimicker of malignant breast neoplasms. A type 2 diabetic 85-year-old female presented with a 6-month history of a left breast lump. The physical exam and mammography were compatible with breast cancer. Nevertheless, after fine-needle aspiration cytology, the diagnosis was plasma cellmastitis. Once this rare diagnosis was established, the tumor was extirpated, and the final histologic diagnosis corroborated chronic plasma cellmastitis. The patient ’ s postoperative evolution was uneventful, and no other treatment was needed. Fine-needle aspiration cytology could be a valuable tool to identify rare mimickers of malignant breast neoplasms.Resumo Existem doen ças benignas raras que podem mimetizar neoplasias malignas de mama no exame clínico e na mamografia. Avaliamos o valor de um procedimento acessível para a maioria dos clínicos, a citologia por aspiração com agulha fina, para identificar um imitador raro de neoplasias malignas de mama. Uma mulh er de 85 anos com diabetes tipo 2 apresentou histórico de 6 meses de um nódulo no seio esquerdo. O exame físico e a mamografia foram compatíveis com câncer de mama. No entanto, após realizar uma citologia por aspiração com agulha fina, o diagnóstico foi mastite celul...
Source: Revista Brasileira de Ginecologia e Obstetricia - Category: OBGYN Source Type: research