IMR Press / EJGO / Volume 40 / Issue 5 / 10.12892/ejgo4839.2019
Open Access Case Report
Simultaneous bilateral invasive breast cancer with coexisting benign phyllodes tumor and lymph node metastasis
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1 Breast Centre zurich, Cantonal Hospital Luzern, Luzern, Switzerland
2 Institute of Pathology Enge zurich, Cantonal Hospital Luzern, Luzern, Switzerland
3 Institute of Pathology, Cantonal Hospital Luzern, Luzern, Switzerland
Eur. J. Gynaecol. Oncol. 2019, 40(5), 886–888;
Published: 10 October 2019

Cases of coincidental phyllodes tumor (PT) of the breast and invasive breast cancer are extremely rare. This case report describes a 58-year-old women with simultaneous bilateral invasive breast cancer. On the left side, the carcinoma was associated with the epithelial component of a PT and presented with lymph node metastasis. To the best of the present authors’ knowledge, this is the first report of a PT with simultaneous bilateral breast cancer and equilateral lymph node metastasis. Moreover, associated axillary lymph node metastasis with an invasive ductal carcinoma (IDC) arising from the epithelial component of a PT is extremely rare. In the absence of standardized treatment option, therapy recommendations should be tailored individually upon clinical presentation.

Phyllodes tumor
Breast tumor
Bilateral invasive ductal cancer
Collision tumor
Lymph node metastasis
Figure 1.
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