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Breast and Axillary Lymph Node Metastasis from Ovarian Cancer: A Case Report

Raffaele Longo, Claire Bastien, Marco Campitiello, Francesca Plastino, Antonio Rozzi

(Division of Medical Oncology, Regional Hospital Center (CHR) Metz-Thionville, Ars-Laquenexy, France)

Am J Case Rep 2020; 21:e925089

DOI: 10.12659/AJCR.925089

BACKGROUND: Breast metastasis (BM) is extremely rare. Ovarian cancer accounts for approximately 0.03% to 0.6% of all BMs. BM diagnosis is challenging and the prognosis very poor. The treatment is multidisciplinary and strictly related to multiple clinical and biological factors.
CASE REPORT: A 70-year-old non-smoking Caucasian woman was hospitalized for a 4-month history of abdominal pain, anorexia, and weight loss of 10 kg. During the clinical examination, we found multiple axillary lymph nodes and a painless tumor lesion in the superior internal quadrant of the right breast. Whole body CT-scan and ¹⁸F-fluorodeoxyglucose PET scan documented a right ovarian tumor associated with multiple metastases, a hypermetabolic lesion of the right breast, and multiple axillary lymphadenopathies that were confirmed by breast ultrasonography. The percutaneous biopsy of both the right axillary lymph node and breast tumor showed a metastasis from a high-grade serous papillary ovarian adenocarcinoma. Considering the tumor aggressiveness and the lack of BRCA1 and BRCA2 mutations, we started systemic chemotherapy with a 3-week carboplatin/paclitaxel regimen combined with bevacizumab, which quickly improved the patient’s symptoms and induced a biological tumor response.
CONCLUSIONS: This case reports a synchronous breast metastasis from an ovarian cancer and highlights this uncommon entity, which is very difficult to diagnose and treat. A differential diagnosis from a primary breast cancer should be considered as the treatment and prognosis of these 2 tumors are different.

Keywords: Breast

This paper has been published under Creative Common Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) allowing to download articles and share them with others as long as they credit the authors and the publisher, but without permission to change them in any way or use them commercially.
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