Tumor-to-tumor metastasis: an unusual case of breast cancer metastatic to a solitary fibrous tumor

Solitary fibrous tumor (SFT) is a rare mesenchymal neoplasm that most commonly involves the visceral or parietal pleura, but that has also been described arising from virtually all organs. This neoplasm exhibits rich vascularity, a characteristic it shares with renal cell carcinoma, making these tum...

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Bibliographic Details
Published in:Journal of thoracic disease 2016-06, Vol.8 (6), p.E374-E378
Main Authors: Velez-Cubian, Frank O, Gabordi, Robert C, Smith, Prudence V, Toloza, Eric M
Format: Article
Language:English
Subjects:
Case Report
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Description
Summary:Solitary fibrous tumor (SFT) is a rare mesenchymal neoplasm that most commonly involves the visceral or parietal pleura, but that has also been described arising from virtually all organs. This neoplasm exhibits rich vascularity, a characteristic it shares with renal cell carcinoma, making these tumors especially suitable for harboring metastases. We present a case of a 64-year-old woman with history of right breast cancer treated six years previously and who presents with a left pulmonary SFT containing metastatic invasive ductal breast carcinoma as well as a synchronous contralateral primary adenocarcinoma of the lung. The literature on tumor-to-tumor metastasis is then reviewed.
ISSN:2072-1439
2077-6624
DOI:10.21037/jtd.2016.03.79