骨壁最初有新生骨形成，向骨道中间生长，渐渐成熟。
New bone grew towards the middle of bone tunnel and became mature gradually.
X线片示有新生骨形成或无渐进性骨吸收，随访期内成功率100%。
X-ray showed new bone formation or no progressive bone resorption. The success rate was 100% during the follow-up period.
其特征表现是关节软骨局限性蜕变以及关节边缘或软骨下骨赘等新生骨形成。
Its feature symptom is limitations of joint cartilage degeneration and new bones forming among joint edge and subchondral osteophyte.
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