Mesenchymal stem cells; Intervertebral disc; Retrograde degeneration.
间质干细胞；椎间盘；逆行变性。
Purpose to approach to algogenic causes and parts of knee joint retrograde degeneration, except osseous causes.
目的：探讨膝关节退行性变除骨性原因之外的致痛原因与部位。
Conclusion the moderate rotatory manipulation is relatively safe for the patient without obviously retrograde degeneration.
结论适度的旋转手法对无明显退变的患者是比较安全的。
Conclusion The limited surgery and effective decompression can improve curative effects and reduce complications of spinal canal stenosis of retrograde degeneration.
结论退变性腰椎管狭窄症的治疗采取有限化手术、有效化减压原则可减少并发症，提高疗效。
Methods 4 cases sesamoid retrograde degeneration was analysed retrospectively, exploring the cause and pathology on automical and biological characteristics of the foot.
方法对经病理学明确诊断的4例籽骨退行性改变患者进行回顾性分析，结合足部解剖及生物力学特点探讨病因及病理。
Methods 4 cases sesamoid retrograde degeneration was analysed retrospectively, exploring the cause and pathology on automical and biological characteristics of the foot.
方法对经病理学明确诊断的4例籽骨退行性改变患者进行回顾性分析，结合足部解剖及生物力学特点探讨病因及病理。
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