Combined use of cyclophosphamide and prednisone or MMF and prednisone was employed, and the patients were allocated into CYC group and MMF group accordingly.

• 将患者分为糖皮质激素和环磷酰胺(CYC)联合治疗组 (CYC组 ) 1 5例、糖皮质激素和MMF联合治疗组 (MMF组 ) 76例 ,治疗时间 6个月 ,CYC用量为1 g/月 ;