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Federación Mexicana de Ginecología y Obstetricia, A.C.

2022, Number 11

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Ginecol Obstet Mex 2022; 90 (11)

Bilateral phyllodes tumor, a rare form of clinical presentation: A case report

Santiago-Sanabria L, López-Valle MÁ, Garza-Arrieta J, Islas-Tezpa D

Language: Spanish
References: 24
Page: 933-941
PDF size: 343.89 Kb.


ABSTRACT

Background: The incidence of phyllodes tumors is 0.3% to 1% of all primary breast tumors. Their bilateral presentation may be synchronous or asynchronous and is exceptional. These tumors are classified (WHO) as fibroepithelial, benign, borderline or malignant. They appear in women with very wide age limits, although the most frequent is between 35 and 55 years of age. The definitive diagnosis is established based on the histopathological report. Treatment is surgical.
Clinical case: 50-year-old patient with obstetric history of two pregnancies and two cesarean sections. She came for consultation due to the appearance of a palpable mass in both breasts. She had no relevant history of breast cancer. Based on the mastography it was determined to be a BI-RADS 4A category tumor. The excisional biopsy, with trans-operative study, determined that it was a low-grade (benign) phyllodes tumor. Both tumors were excised, with sufficient free margins, in order to reduce the risk of recurrence. A follow-up plan was determined with annual mastography in which BI-RADS category 2 has been obtained. So far, the patient remains free of disease.
Conclusions: Phyllodes tumors are extremely rare and even more so their bilateral occurrence. It is important to integrate an early diagnosis and to perform a correct surgical procedure to avoid recurrences because they tend to be more and more aggressive. The indication of radiotherapy and chemotherapy in these tumors remains controversial and is only reserved as an alternative treatment for highly aggressive tumors.


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