[Primary plasmacytic lambda chain leukemia: report of a case].

A rare case of primary plasma cell leukaemia is presented as a plasmacytic dyscrasia with high number of plasma cells in peripheral blood and bone marrow, few osteolytic lesions and with cardiac and renal failure. The morphology of leukaemic cells were variable ranging from lymphoplasmacytic to differentiated plasma cells. Bence-Jones protein Lambda Chain was found in urine and serum. The patient was treated with chemotherapy (M2 protocol) with survival of 33 months.