1992 Volume 31 Issue 12 Pages 1396-1400
A case with primary plasmacytoma of the lung is described. The patient, a 55-year-old
Japanese female, who simultaneously had a pulmonary plasmacytomaand bladder carcinoma. The bladder tumor was treated with transurethral resection. Pathologically, the bladder tumor was a non-invasive, papillary transitional cell carcinoma, grade II. The lung tumor was located in the right upper lobe and upper lobectomy was performed. The tumor measured 2.8 × 2.7 × 2.0 cm and had a white-yellowish cut surface. Histologic, electron microscopic and immunohistochemical examinations of the lung tumor revealed monoclonal proliferation of plasma cells (IgA, lambda light chain). There was no evidence of multiple myeloma.
(Internal Medicine 31: 1396-1400, 1992)