從左到右依次為：品種? ?排位? ?評估數(shù)量? ?正常? ?一級發(fā)育不良? ?二級? ?三級

I 級肘關(guān)節(jié)發(fā)育不良：沿尺骨角突的骨變化極?。ㄐ∮?2 毫米）。

II 級肘關(guān)節(jié)發(fā)育不良：沿肘突 (2-5 mm) 和軟骨下骨變化（滑車切跡硬化）的額外骨增生。

III 級肘關(guān)節(jié)發(fā)育不良：________________________，沿肘突骨增生大于 5 毫米。

Grade I Elbow Dysplasia:?Minimal bone change along anconeal process of ulna (less than 2mm).
Grade II Elbow Dysplasia:?Additional bone proliferation along anconeal process (2-5 mm) and subchondral bone changes (trochlear notch sclerosis).
Grade III Elbow Dysplasia:?Well developed degenerative joint disease with bone proliferation along anconeal process being greater than 5 mm.