Thymoma is the most common thymic epithelial tumor whose classification was first introduced in 1999. Type B2 thymoma is considered a moderate/high-risk tumor; however, extrathoracic metastases are extremely rare with limited reports to date. In this report, we present a rare thymoma metastasis to the semimembranosus muscle, which was resected with a wide margin after confirmation by open biopsy. At the final follow-up after 1 year, no local recurrence has been observed.
CITATION STYLE
Taniguchi, K., Susa, M., Ogata, S., Ozeki, Y., & Chiba, K. (2017). Thymoma Metastasis to the Semimembranosus Muscle. Case Reports in Oncology, 10(1), 21–26. https://doi.org/10.1159/000455190
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