Conclusions Callus lengthening is a good technique for humeral large segment defect nonunion.

结论骨痂延长术是治疗肱骨大段骨缺损性骨不连较好方法.

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There was statistic significance in the callus gray scale in 1,2 , 3,6 months after operation ( P & lt; 0.05 ).

骨痂灰度术后1、2、3、6个月时两组差异有显著性 ( P & lt; 0.05 ).

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Results Organization of local hematoma and the formulation of surface callus appeared early in group I.

结果甲组局部血肿机化,表面骨痂形成较早.

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Histology showed a marked increase in the size of the cartilaginous soft callus.

组织学显示出了软骨质的柔软的骨痂的尺寸的标记的增加.

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These cells also decrease the callus bulge , gradually returning the bone to original shape.

这些细胞也会减小骨痂的肿胀, 逐渐将骨骼还原为原来的形状.

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