CD79A and plasma cell myeloma: The types of myeloma were distributed as follows: IgG in 88 cases (52.4%), IgA in 34 cases (20.2%), IgD in 9 cases (5.4%), kappa light chain type in 21 cases (12.5%), lambda light chain type in 15 cases (8.9%), and non-secretory in 1 case (0.6%).