Granulomatous Neutrophilic Cystic Mastitis, Case Report

Cystic neutrophilic granulomatous mastitis (CNGM) is a recently characterized entity, with specific histopathological details that differentiate it from other types of chronic idiopathic mastitis. The presence of gram-positive bacilli within cystic-like spaces surrounded by neutrophils, in a context...

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Main Authors: Katherine Luisa Contreras Gala, María del Carmen Kapsoli
Format: Article
Language:Spanish
Published: Universidad Ricardo Palma 2021-01-01
Series:Revista de la Facultad de Medicina Humana
Subjects:
Online Access:http://revistas.urp.edu.pe/index.php/RFMH/article/view/3239
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author Katherine Luisa Contreras Gala
María del Carmen Kapsoli
author_facet Katherine Luisa Contreras Gala
María del Carmen Kapsoli
author_sort Katherine Luisa Contreras Gala
collection DOAJ
description Cystic neutrophilic granulomatous mastitis (CNGM) is a recently characterized entity, with specific histopathological details that differentiate it from other types of chronic idiopathic mastitis. The presence of gram-positive bacilli within cystic-like spaces surrounded by neutrophils, in a context of suppurative granulomatous inflammation, define this entity. The importance of its recognition in the diagnostic report lies in its association with infection by corynebacterial species, so that treatment with antibiotics can be targeted, beyond the anti-inflammatory treatment that is usually administered to idiopathic mastitis. We describe the case of a 35-year-old female patient with no related history, with intermittent breast pain, associated with the presence of multiple hard, palpable nodules in both breasts, with results from multiple previous private biopsies that described chronic granulomatous mastitis with a tubercular reaction, for which she received treatment for tuberculosis. Despite this, the clinical response was partial. Histological slides were reviewed at the institution and the diagnosis of CNGM was then established. The presentation of this case was considered important due to its low recognition among pathologists, despite presenting characteristics already defined by previous studies.
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spelling doaj.art-e49ec63663c940f589acc4fe619e00b72022-12-21T23:26:43ZspaUniversidad Ricardo PalmaRevista de la Facultad de Medicina Humana1814-54692308-05312021-01-0121119720110.25176/RFMH.v21i1.3239Granulomatous Neutrophilic Cystic Mastitis, Case ReportKatherine Luisa Contreras Galahttps://orcid.org/0000-0003-2140-6475María del Carmen Kapsolihttps://orcid.org/0000-0002-9882-3798Cystic neutrophilic granulomatous mastitis (CNGM) is a recently characterized entity, with specific histopathological details that differentiate it from other types of chronic idiopathic mastitis. The presence of gram-positive bacilli within cystic-like spaces surrounded by neutrophils, in a context of suppurative granulomatous inflammation, define this entity. The importance of its recognition in the diagnostic report lies in its association with infection by corynebacterial species, so that treatment with antibiotics can be targeted, beyond the anti-inflammatory treatment that is usually administered to idiopathic mastitis. We describe the case of a 35-year-old female patient with no related history, with intermittent breast pain, associated with the presence of multiple hard, palpable nodules in both breasts, with results from multiple previous private biopsies that described chronic granulomatous mastitis with a tubercular reaction, for which she received treatment for tuberculosis. Despite this, the clinical response was partial. Histological slides were reviewed at the institution and the diagnosis of CNGM was then established. The presentation of this case was considered important due to its low recognition among pathologists, despite presenting characteristics already defined by previous studies.http://revistas.urp.edu.pe/index.php/RFMH/article/view/3239cystic neutrophilic granulomatous mastitisgram-positive bacillicorynebacteriachronic mastitis
spellingShingle Katherine Luisa Contreras Gala
María del Carmen Kapsoli
Granulomatous Neutrophilic Cystic Mastitis, Case Report
Revista de la Facultad de Medicina Humana
cystic neutrophilic granulomatous mastitis
gram-positive bacilli
corynebacteria
chronic mastitis
title Granulomatous Neutrophilic Cystic Mastitis, Case Report
title_full Granulomatous Neutrophilic Cystic Mastitis, Case Report
title_fullStr Granulomatous Neutrophilic Cystic Mastitis, Case Report
title_full_unstemmed Granulomatous Neutrophilic Cystic Mastitis, Case Report
title_short Granulomatous Neutrophilic Cystic Mastitis, Case Report
title_sort granulomatous neutrophilic cystic mastitis case report
topic cystic neutrophilic granulomatous mastitis
gram-positive bacilli
corynebacteria
chronic mastitis
url http://revistas.urp.edu.pe/index.php/RFMH/article/view/3239
work_keys_str_mv AT katherineluisacontrerasgala granulomatousneutrophiliccysticmastitiscasereport
AT mariadelcarmenkapsoli granulomatousneutrophiliccysticmastitiscasereport