&nbsp;后半规管非平面性对夹角测量的影响

杨晓凯* 郑炎焱 陈晓素

doi:10.16098/j.issn.0529-1356.2019.02.14

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解剖学报 ›› 2019, Vol. 50 ›› Issue (2) : 232-235. DOI: 10.16098/j.issn.0529-1356.2019.02.14

解剖学

后半规管非平面性对夹角测量的影响

杨晓凯* 郑炎焱陈晓素

作者信息 +

Influences of nonplanarity on the measurements of the posterior semicircular canal angles

YANG Xiao-kai* ZHENG Yan-yan CHEN Xiao-su

Author information +

文章历史 +

摘要

目的测量后半规管夹角，观察后半规管非平面性对夹角测量的影响。方法对20例磁共振三维稳态构成干预序列内耳检查影像进行分析，通过使用3D Slicer 4.4软件直接测量左、右后半规管的夹角来推算后半规管和矢状面的夹角。结果左、右后半规管夹角为90.5°±8.9°，最小夹角73°，最大夹角108°。可推算后半规管和矢状面夹角为45.3°±4.4°,最小36.5°，最大54°。结论后半规管切面经过或不经过共脚，由此导致夹角测量差异约为9°，故此次测量数据和既往研究相符，但本方法更加直观方便。

Abstract

Objective To measure the angles among the posterior semicircular canal, and to observe the influences of nonplanarity on the measurements. Methods With 3D Slicer,we directly measured angles among the left and right posterior semicircular canals from MRI volume data of 20 patients which underwent MRI scaning with 3D-CISS sequence,and then calculated angles among the posterior semicircular canals and sagittal head plane. Results The angle between the left and right posterior semicircular canals was 190.5°±8.9° between 73° and 108°,and the angle among the posterior semicircular canals and sagittal head plane was 45.3°±4.4° between 36.5°and 54°. Conclusion Whether the plane including or excluding the common crus will result in differences of up to 9°,therefore, this study is consistent with previous studies but this method is more intuitive and convenient.

导出引用

杨晓凯郑炎焱陈晓素. 后半规管非平面性对夹角测量的影响[J]. 解剖学报. 2019, 50(2): 232-235 https://doi.org/10.16098/j.issn.0529-1356.2019.02.14

YANG Xiao-kai ZHENG Yan-yan CHEN Xiao-su. Influences of nonplanarity on the measurements of the posterior semicircular canal angles[J]. Acta Anatomica Sinica. 2019, 50(2): 232-235 https://doi.org/10.16098/j.issn.0529-1356.2019.02.14

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