[Report of 10 cases of multiple myeloma surviving more than 6 years].

Ten cases of multiple myeloma seen in PUMC hospital survived more than six years. 4 of them survived more than ten years. 6 patients were of IgA type. Features of those cases included: (1) symptoms mild; (2) incidence of anemia low; (3) percentage of tumor cell in bone marrow also relatively low; (4) blood urea nitrogen, creatinine and calcium normal; (5) maintenance therapy rather long. The prognostic factors and the current general situation of treatment were briefly discussed.