Primary plasmacytoma of lymph nodes. A case report.

Most plasmacytomas of lymph nodes are secondary metastases from myeloma or from primary plasmacytoma of the upper air passages. Primary plasmacytomas of lymph nodes are very rare. A case of primary plasmacytoma of mediastinal, cervical and para-aortic lymph nodes is reported. Bence Jones proteinuria of 8 g/24 h was present. Repeated bone marrow examinations were normal. When the patient died, 17 months after the first symptoms, the bone marrow was still not involved.