A 68-year-old woman presented with myasthenia gravis and an anterior mediastinal mass, which proved to be an extramedullary plasmacytoma in the thymus with associated extracellular light chain deposition. Further specimens revealed plasma cell proliferation in an internal thoracic lymph node and in a subsequent colectomy specimen, indicating systemic disease. This case demonstrates the rare association between a plasmacytoma in the thymus and myasthenia gravis. (C) 2000 by The Society of Thoracic Surgeons.
机构:
Department of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung CityDepartment of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung City
Luh S.-P.
Lai Y.-S.
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机构:
Department of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung CityDepartment of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung City
Lai Y.-S.
Tsai C.-H.
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Department of Pathology, Chung Shan Medical University and Hospital, Taichung CityDepartment of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung City
Tsai C.-H.
Tsao T.C.-Y.
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Department of Thoracic Medicine, Chung Shan Medical University and Hospital, Taichung CityDepartment of Surgery, Chung-Shan Medical University, Chia-Yi Christian Hospital, Taichung City