GONZALEZ ORTEGA, José María et al. Adenomyoepithelioma of the breast. A case presentation. []. , 41, 3, pp. 733-740. ISSN 1684-1824.

Adenomyoepithelioma is a very rare and generally benign tumor of varying histology that can simulate other epithelial, myoepithelial and biphasic lesions of the breast. Pathologically it is rare disorder characterized by the simultaneous proliferation of ductal epithelium and myoepithelial cells. It is more common in salivary glands and in skin. Rarely found in mammal tissue, it mainly affects women, aged around 50 years, and clinically presents like a palpable mass occupying central breast quadrants. The treatment of choice is the extensive excision of the lesion. Local recidivisms is very frequent, and sometimes they could have malignant degeneration. The authors present the case of a female patient, aged 13 years, who assisted the service of Surgery of the Hospital “Dr. Mario Muñoz Monroy”, municipality of Colon, province of Matanzas with a tumor of hard consistence, of 8-10 cm diameter, in lower quadrants and retro alveolar region of the right mamma. The sonographic study informed the presence of a hypoechoic, oval image. The lesion was excised. The pathological and immunohistochemical study showed a breast adenomyoepithelioma. The patient did not have post-surgery complications. Currently she is followed in consultation after seven years of the surgery.

: adenomioepithelioma; myoepithelial; breast.

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