顶椎椎体生长板凸、凹侧组织学分级差异有统计学意义（<0.05）。
The histological grades were significantly different between the convex and the concave side of the growth plate in the apex vertebrae (P<0.05).
结论：在外科矫正青少年特发性脊柱侧凸时，上、下终椎、凹侧交界椎是必须固定的。
Conclusion: in the Surgical treatment of adolescent idiopathic scoliosis, the upper and lower end vertebrae and neutral vertebrae in concave side must be included in the fixation levels.
终椎凹侧生长板和顶椎凹侧生长板组织学分级有明显差异且有统计学意义（P<0.05）。
The histological difference was also found significant statistically between end vertebrae and apex vertebrae in the concave side of vertebral growth plates (P<0.05).
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