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Breast adenomyoepithelioma from a radiologic perspective
M Uchida1, C Gatica2, D Hasson1
1Departamento de Imágenes, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile.
Adenomyoepithelioma of the breast (AB) is a rare tumor. This study details its uncommon imaging findings on ultrasonography and mammography, emphasizing the need for radiologic familiarity for accurate diagnosis.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Adenomyoepithelioma of the breast (AB) is an uncommon neoplasm.
- Characterized by biphasic proliferation of epithelial and myoepithelial cells.
- Radiologic findings for AB are infrequently documented.
Purpose of the Study:
- To analyze characteristic ultrasonography (US) and mammography findings of breast adenomyoepithelioma.
- To correlate imaging features with histological confirmation.
Main Methods:
- Retrospective descriptive study of 13 histologically confirmed AB cases (2007-2019).
- Analysis of US and mammography findings using Breast Imaging-Reporting and Data System (BI-RADS).
Main Results:
- On US, 12 lesions were oval nodules, 1 irregular; margins varied (circumscribed, angled, microlobulated).
- Echo patterns included 8 hypoechoic and 5 complex (solid-cystic) lesions.
- Color Doppler showed 11 vascularized nodules and 2 avascular nodules.
Conclusions:
- Presents imaging characteristics of breast adenomyoepithelioma.
- Diagnosis solely on imaging is unlikely; radiologic familiarity is crucial for radiopathologic correlation.
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