J Korean Soc Radiol.
2010 Apr;62(4):365-368. 10.3348/jksr.2010.62.4.365.
A Case of Mediastinal Extramedullary Plasmacytoma Associated with Multiple Myeloma
- Affiliations
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- 1Department of Radiology and the Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea. tskim.kim@samsung.com
- 2Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
- 3Division of Hematology-Oncology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
- KMID: 1460070
- DOI: http://doi.org/10.3348/jksr.2010.62.4.365
Abstract
- Extramedullary plasmacytoma is a rare manifestation of multiple myeloma, and involvement of the mediastinum by extramedullary plasmacytoma is very rare. We report here on a rare case of a large mediastinal extramedullary plasmacytoma and several pleural nodules with pleural effusions in a 45-year-old male patient with multiple myeloma that involved the thoracic spine and the calvarium. The mediastinal extramedullary plasmacytoma manifested on CT as an 11 x 4.5 cm-sized, relatively homogeneous, mildly enhancing, anterior mediastinal mass with several pleural nodules, and this simulated malignant lymphoma or malignant thymic epithelial tumor.
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