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CC BY 4.0 · Rev Bras Ginecol Obstet 2018; 40(08): 491-493
DOI: 10.1055/s-0038-1666809
Case Report
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

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

Citologia de aspiração com agulha fina para identificar um simulador raro de câncer de mama: mastite celular plasmática
Carlos Manuel Ortiz-Mendoza
1   Department of Surgery, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado (ISSSTE) Hospital General Tacuba, Mexico City, Mexico
,
Norma Alicia Acosta Sánchez
2   Department of Pathology, ISSSTE Hospital General Tacuba, Mexico City, Mexico
,
Arturo Catarino Dircio
2   Department of Pathology, ISSSTE Hospital General Tacuba, Mexico City, Mexico
› Author Affiliations
Further Information

Publication History

20 September 2017

17 May 2018

Publication Date:
09 July 2018 (online)

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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 cell mastitis. Once this rare diagnosis was established, the tumor was extirpated, and the final histologic diagnosis corroborated chronic plasma cell mastitis. 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 doenças 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 mulher 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 celular plasmática. Uma vez que este diagnóstico raro foi estabelecido, o tumor foi extraído e o diagnóstico histológico final corroborou a mastite crônica das células plasmáticas. A paciente teve uma boa evolução pós-operatória, e nenhum outro tratamento foi necessário. A citologia por aspiração com agulha fina pode ser uma ferramenta valiosa para identificar os raros mimetizadores de neoplasias malignas da mama.

Keywords

cancer - breast - breast cancer - fine needle aspiration biopsy - granuloma - mammography - mastitis

Palavras-chave

câncer - mama - câncer de mama - biopsia por aspiração com agulha fina - granuloma - mamografia - mastite
 

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