目的：探讨提高视神经管内段损伤疗效的方法。
Objective:To improve the level of diagnosis and treatment of optic nerve trauma at the canalicular segment.
结论视神经鞘减压术治疗管内段视神经间接损伤，此方法有效可行。
Conclusions Decompression of optic nerve sheath can be performed on patients with indirect injury of the intracanalicular portion of the optic nerve. This method is effective and applicable.
结论CT可以清晰显示颅内段椎管内段椎动脉钙化，可提高对该病变的认识，避免漏诊。
Conclusion CT can clearly demonstrate calcification in intracranial intra vertebral canal vertebral artery, thus improve its diagnosis.
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