Conclusion the improved bilateral tibia lengthening technique is recommended for advantage of short time of bone union, less complication and correcting the varus deformity of knee simultaneously.
结论改良后的双侧胫骨延长术，胫骨骨质愈合时间缩短，并发症少，可同时矫正膝内、外翻畸形。
Conclusions:The frontal flaps should be designed along the axis of supratrochelear vessels, so the whole nasal defect can be repaired by bilateral frontal flaps simultaneously;
结论：额部皮瓣应设计在旁正中的滑车上动脉血管走行轴线上； 可同时用两侧额部皮瓣行全鼻缺损的修复；
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