Periodicidad semestral: flujo continuo.
ISSN - Electrónico: 2661-6947 / DOI: 10.36015 • LILACS BIREME (19784); LATINDEX (20666)
INTRODUCTION. Idiopathic granulomatous mastitis is a benign inflammatory breast pathology with
nonspecific clinical and imaging findings; usually mistaken for breast cancer. The most frequent
symptom is a palpable breast mass. The diagnosis is histopathologic. OBJECTIVE. To describe
the demographic profile, clinical presentation and radiographic findings of patients with histopathologic
diagnosis of idiopathic granulomatous mastitis. MATERIALS AND METHODS. Observational,
descriptive, retrospective study. Population of 1130 and sample of 49 data from electronic medical
records of patients with histological diagnosis of idiopathic granulomatous mastitis with ICD10 code
N61x Inflammatory disorders of the breast, attended at the Technical Imaging Unit of the Carlos
Andrade Marín Specialties Hospital in the city of Quito between January 2019 and December 2021.
The inclusion criterion was histopathological confirmation of idiopathic granulomatous mastitis. Exclusion
criteria: history of malignant breast neoplasia, history of HIV, systemic inflammatory pathology
such as Wegener’s granulomatosis, sarcoidosis, chronic granulomatous infections such as tuberculosis, brucellosis, histoplasmosis, syphilis and reactions to foreign bodies such as breast implant material. Demographic data, clinical presentation, mammographic and ultrasound findings and BIRADS categorization were analyzed. Univariate analysis was performed; frequencies and percentages were used for qualitative variables; measures of central tendency were used for quantitative variables. RESULTS. The median age was 36 years. 94.00% of patients had at least one child; 77.50% presented with a palpable mass; 55.10% were accompanied by inflammatory signs; 16.00% were associated with fistulas and 24.40% presented with discharge. Only 1 case presented bilateral involvement. CONCLUSION. In this study, idiopathic granulomatous mastitis affects women of reproductive age with no history of malignancy who present with a palpable breast mass that may be accompanied by inflammatory signs, collections and fistulas. The performance of an echo-guided core biopsy to confirm the diagnosis.
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