CD79A and Miyoshi myopathy: The majority of MM subtype was IgG (47.4%).IgA account for 25.6% MM patients and 23.1% of 78 MM patients had light chain disease.According to the ISS,5 patients were stage I (6.4%), 46 patients stage II (59.0%) and 27 patients stage III (34.6%).Regarding the DS,5 patients were stage I (6.4%), 19 patients stage II (24.4%) and 54 patients stage III (69.2%).The distribution of additional baseline characteristics of these patients are shown in Table 1.