Head and Neck Imaging
The MRI Performance of the Optic Nerve Intracranial Segment Vascular Compression
Author：CHEN Dan, QU Zhong-wei, ZHANG Ya-lin, et al.
affiliation：Department of Radiology, Changsha Central Hospital, Changsha,Hunan 410004
PDFAbstract
Objective To explore the MRI value in optic nerve vascular compression. Methods The MRI performance and clinical data of 18 cases which optic nerve intracranial segment compressed by adjacent arteries were analyzed retrospectively. Results Optic nerve compressed by adjacent arteries include: the compressed of the anterior cerebral artery and internal carotid artery were common with 15 cases (15/18), the compressed of arteriae communicans artery and anterior cerebral artery 1 case, the compressed of internal carotid artery and ophthalmic artery 1 case and Heubner artery 1 case. The optic nerve was contacted with nearby blood vessels on MRI imaging, and the cerebrospinal fluid between disappeared, the optic nerve impression could be seen. The abnormal optic signal could be seen in very few case. Conclusion MRI had unique advantages in observing the compress of optic nerve. As long as we pay attention to it during the work and be familiar with the anatomy of sellar region, we could make the correct diagnosis.
【Keyword】Optic Nerve; Vascular Compression; Magnetic Resonance Imaging
【Chart number】R77
【Document Identification Number】A
【DOI】10.3969/j.issn.1672-5131.2015.07.009
Chinese journal of CT and MRI
th13Volume， th 7 Issue
2015Year07Month
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