Breast Cancer to Meningioma: A Rare Case of Tumor-to-Tumor Metastasis
- Affiliated Author(s)
- 이창영; 김창현; 고용산; 김상표; 권세민
- Alternative Author(s)
- Lee, Chang Young; Kim, Chang Hyun; Ko, Young San; Kim, Sang Pyo; Kwon, Sae Min
- Journal Title
- Brain Tumor Res Treat
- ISSN
- 2288-2413
- Issued Date
- 2023
- Keyword
- Breast cancer; Meningioma; Tumor-to-tumor metastasis
- Abstract
- 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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