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目的 比较切开复位自体肱骨骨栓内固定术与可吸收软骨钉内固定术对MasonⅡ型或Ⅲ型桡骨小头骨折的治疗效果.方法 2005年5月至2012年5月共手术治疗桡骨小头骨折49例,其中行自体肱骨骨栓内固定治疗23例,可吸收软骨钉内固定治疗26例.结果 术后随访时间为8 ～ 36个月,平均24个月.按照Mayo肘关节功能评分进行疗效评定,其中MasonⅡ型骨折:自体骨栓治疗优良率为86.6％(13/15),可吸收软骨钉治疗优良率为87.5％ (14/16);MasonⅢ型骨折:自体骨栓治疗优良率为75.0％ (6/8),可吸收软骨钉治疗优良率为80.0％ (8/10).结论 应用自体骨栓与可吸收软骨钉内固定治疗桡骨小头骨折均可获得满意的临床效果.对于MasonⅡ型和Ⅲ型桡骨小头骨折两种内固定材料没有明显差异.“,”Objective To evaluate the efficacy of treating Mason Ⅱ or Ⅲ radial head fractures with open reduction and internal fixation by autologous bone blot and absorbable cartilage nail.Methods Fortynine cases of radial head fractures were surgically treated between May 2005 and May 2012.Among these 23 were treated with autologous humeral bone blot,while 26 with absorbable cartilage nail.Results Postoperative follow-up ranged from 8 to 36 months,with an average of 24 months.Evaluation of results using Mayo elbow function criteria revealed 86.6％ (13/15) excellent rate for autologous bone blot and 87.5％ (14/16) excellent rate for absorbable cartilage nail in Mason Ⅱ fractures; 75.0％ (6/8) for autologous bone blot and 80.0％ (8/10) for absorbable cartilage nail in Mason Ⅲ fractures.Conclusion Autologous bone blot and absorbable cartilage nail are both good options to treat Mason Ⅱ or Ⅲ radial head fractures with no significant differences in outcomes.