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首页> 外文期刊>Ophthalmic plastic and reconstructive surgery >Anatomy-based surgical concepts for individualized orbital decompression surgery in graves orbitopathy. I. Orbital size and geometry.
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Anatomy-based surgical concepts for individualized orbital decompression surgery in graves orbitopathy. I. Orbital size and geometry.

机译：基于解剖学的坟墓眼病的眶减压手术概念。 I.轨道大小和几何形状。

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摘要

PURPOSE: To analyze orbital morphological parameters that potentially could influence the effect of decompression surgery on exophthalmos reduction in Graves orbitopathy, thus making decompression surgery more predictable. METHODS: To generate a reference database, a CT-based study was performed in 140 orbits obtained from adult patients with unaffected orbits in a European white ethnicity. The following parameters were chosen: orbital volume, globe volume, globe to orbital volume ratio, and orbital cone angle. Volumes were measured on postprocessed CT data using morphometric techniques. To define the cone angle, a 3-dimensional approach was chosen using the program Amira. RESULTS: Significant interindividual variation was found in orbital volume from 18.9 to 33.4 ml and in globe volume from 6.0 to 10.1 ml. The globe to orbital volume ratio showed a relatively broad variation from 0.25 to 0.4. Differences in the orbital cone angle from 39.7 degrees to 65.7 degrees were observed. CONCLUSION: The experienced large variations in orbital morphology might significantly influence the degree of exophthalmos reduction, which can be obtained by standardized decompression procedures. Based on our results, a prospective clinical study will be conducted to test our hypothesis.
机译：目的：分析可能影响减压手术对Graves眼病眼球减少的效果的眼眶形态学参数，从而使减压手术更加可预测。方法：为了生成参考数据库，对来自欧洲白人种族中未受影响的轨道的成年患者的140轨道进行了基于CT的研究。选择以下参数：轨道体积，地球仪体积，地球仪与轨道体积之比和轨道锥角。使用形态计量学技术在后处理的CT数据上测量体积。为了定义锥角，使用程序Amira选择了3维方法。结果：在轨道上的体积从18.9 ml到33.4 ml，地球仪的体积从6.0到10.1 ml，发现个体间存在显着差异。地球与轨道体积之比显示出从0.25到0.4的较大变化。观察到从39.7度到65.7度的轨道锥角的差异。结论：眼眶形态的巨大变化可能会显着影响眼球突出的减少程度，这可以通过标准化减压程序获得。根据我们的结果，将进行前瞻性临床研究以检验我们的假设。

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