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KMID : 1035520230110010073
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Brain Tumor Research and Treatment : BTRT
2023 Volume.11 No. 1 p.73 ~ p.78
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Breast Cancer to Meningioma: A Rare Case of Tumor-to-Tumor Metastasis
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Joe Woo-Hyeong
Lee Chang-Young
Kim Chang-Hyun
Ko Young-San
Kim Sang-Pyo
Kwon Sae-Min
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Abstract
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Tumor-to-tumor metastasis (TTM) is defined as the hematogenous metastasis within a primary host tumor from a donor neoplasm. Since there is insufficient evidence regarding the pathophysiology, clinical course, and management of TTM, there are no precise guidelines for its management. A 73-year-old female patient diagnosed with breast cancer was found to have convexity meningioma. Since the size of tumor and peritumoral brain edema increased during follow-up period, the meningioma was treated with surgical resection. Postoperatively, histopathologic examination confirmed metastasis of invasive ductal carcinoma within a secretory meningioma. The final diagnosis was TTM of breast cancer in meningioma. Here, we report a rare case of intra-meningioma metastasis and a review of literature to provide a better understanding of this rare phenomenon.
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KEYWORD
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Meningioma, Tumor-to-tumor metastasis, Breast cancer
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