小儿桡骨小头脱位并不罕见 ,常发生在 4岁以下的儿童。诊断主要依据病史和 X线常规肘关节正侧位片 ,附加对侧肘关节片。在治疗上采用手法复位可取得显著疗效。一、一般资料男 12例 ,女 11例 ,发病年龄均在 4岁以下 ,其中 10个月以内 2例 ,10个月到 3岁 18例 ,4岁 3例。临床症状 Radial head dislocation in children is not uncommon, often occurs in children under 4 years of age. The diagnosis is mainly based on the history and X-ray of the elbow is the normal lateral radiographs, additional contralateral elbow pieces. In the treatment of the use of reduction can be achieved significant effect. First, the general information of 12 males and 11 females, the age of onset are under 4 years, of which 10 cases within 2 months, 10 months to 3 years old in 18 cases, 4 years old in 3 cases. Clinical symptoms