A Rare Case of Extramedullary Plasmacytoma in the Mediastinum

A Rare Case of Extramedullary Plasmacytoma in the Mediastinum

A rare case of extramedullary plasmacytoma in the mediastinum is reported. An 80-year-old man was admitted for further examination of a mediastinal tumor. Chest computed tomography (CT) revealed a large mediastinal mass and right interlobar pleural effusion. Needle biopsy under CT guidance establish...

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Veröffentlicht in:Internal Medicine 1992, Vol.31(12), pp.1363-1365
Hauptverfasser: MIYAZAKI, Takashige, KOHNO, Shigeru, SAKAMOTO, Akira, KOMORI, Kiyotaka, SASAGAWA, Ippei, FUTAGAWA, Sakae, HARA, Kohei
Format: Artikel
Sprache:eng
Schlagworte:
Aged
Aged, 80 and over
Biopsy, Needle
Humans
Immunoglobulin A - metabolism
Immunoglobulin kappa-Chains - metabolism
Male
Mediastinal Neoplasms - diagnosis
Mediastinal Neoplasms - immunology
mediastinal tumor
myeloma
Paraproteinemias - diagnosis
Paraproteinemias - immunology
plasma cell
Plasmacytoma - diagnosis
Plasmacytoma - immunology
Pleural Effusion, Malignant - diagnosis
Tomography, X-Ray Computed
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Zusammenfassung:A rare case of extramedullary plasmacytoma in the mediastinum is reported. An 80-year-old man was admitted for further examination of a mediastinal tumor. Chest computed tomography (CT) revealed a large mediastinal mass and right interlobar pleural effusion. Needle biopsy under CT guidance established a diagnosis of plasmacytoma. Immunohistochemical staining revealed that the tumor cells were producing monoclonal IgA kappa. Serum immunoelectrophoresis revealed an IgA kappa monoclonal component with a serum concentration of 5, 040mg/ml. The bone marrow aspiration was normal. Bone roentgenogram and bone scintigram showed osteoporosis but no neoplastic lesion. (Internal Medicine 31 : 1363-1365, 1992)
ISSN:0918-2918
1349-7235
DOI:10.2169/internalmedicine.31.1363