RESUMEN
Objective 36 non-Kaschin-Beck disease villages in five provinces including Jilin,Liaoning,Shaanxi,Shanxi and Inner Mongolia in the severe endemic areas of Kaschin-Beck disease (KBD) were selected.The aim of this project was to provide the basis showing these KBD villages had already eliminated the KBD.Methods Fully digital versatile X-ray radiography systems (DR) was used to shoot children's right hand X-ray,in accordance with the "Kashin-Beck Disease Diagnosis Standard" (WS/T 207-2010) for diagnosis.Results Results indicated that children showing metaphyseal changes only appeared in 13 of the 36 villages,where the rate of change on metaphyseal was less than or equal to three percent.Conclusion When KBD had been eliminated in a village,the rate of change on aged 7 to 12 children' s metaphyseal would have been less than three percent.