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Acknowledgments
We thank Yih-Chau Lu MD for contributions to the discussion and management for this patient. We also thank Meng-Yuan Tsai MD and Clement Kuen-Huang Chen MD for their contributions and advice on the radiologic-pathologic correlations and findings.
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Hsu, JH., Wu, FZ. Orthopaedic Case of the Month: A Painless Right Knee Mass in a 55-year-old Woman. Clin Orthop Relat Res 471, 1100–1104 (2013). https://doi.org/10.1007/s11999-012-2650-7
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DOI: https://doi.org/10.1007/s11999-012-2650-7