The study of optic nerve in human using high resolution MRI with multiplanar reconstruction

中国实用眼科杂志 Pub Date : 2017-06-10 DOI:10.3760/CMA.J.ISSN.1006-4443.2017.06.008

S. Liang, Yu Zhu, Zitao Yang

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Abstract

Objective To evaluate the images of optic nerve in normal human volunteers using three-dimensional high resolution MRI and multiplanar reconstruction. Methods A total of 30 healthy volunteers underwent magnetic resonance imaging (MRI) with the sequences of 3D-VIBE and 3D-DESS. The axis and oblique sagittal images were obtained with multiplanar reconstruction. The quality of the images was analyzed, and the length of the optic nerve was measured on axis and oblique sagittal images. Results The anatomy of the optic nerve could be clearly displayed on both axial and oblique sagittal images. The full length of optic nerve was 43.48±2.60 mm on axial image and 42.10±3.16 mm on oblique sagittal image. The measured value of axial image was higher than that of oblique sagittal image (t=2.98, P <0.01). Conclusions High resolution MRI with multiplanar reconstruction can visualize the fine structure of the optic nerve, and facilitate to measure the length of optic nerve, it can provide a reliable method for the study of the anatomy and diseases of optic nerve. Key words: Optic nerve; High resolution MRI; Multiplanar reconstruction

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人类视神经的高分辨率MRI多平面重建研究

目的应用三维高分辨率MRI和多平面重建技术评价正常人视神经图像。方法对30名健康志愿者进行3D-VIBE和3D-DESS序列磁共振成像(MRI)。通过多平面重建获得轴矢状面和斜矢状面图像。对图像质量进行了分析，并在轴位和斜矢状位上测量了视神经的长度。结果在轴位和斜位矢状面均能清晰地显示视神经的解剖结构。视神经全长轴位为43.48±2.60 mm，斜矢状位为42.10±3.16 mm。轴位像的测量值高于斜矢状像(t=2.98, P <0.01)。结论采用多平面重建的高分辨率MRI能清晰地显示视神经的精细结构，方便测量视神经的长度，为视神经解剖和疾病的研究提供了可靠的方法。关键词:视神经;高分辨率MRI;多平面重建

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中国实用眼科杂志

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