Objective:To Provide morphological data of olfactory nerves, bulb and tract of Chinese to protect olfactory function in the operation of nasal cavity roof and anterior cranial fossae.

目的：填补国人嗅神经、嗅球和嗅束的形态学资料，为鼻腔顶、颅前窝手术提供保护病人嗅觉功能的解剖学依据。

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Contrast clearly demonstrates the extent of the lesion within the nasal cavity and invasion of the ethmoidal sinus and anterior cranial fossa (red arrow in Figure 4).

增强扫描清楚的显示病变在鼻腔内的延伸并且侵犯蝶窦和前颅窝（图4，红箭）。

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Mucoceles can also involve the orbital cavity, resulting in proptosis and displacement of the globe. Orbital involvement may also affect branches of cranial nerve III.

粘液囊肿也可以累及眼眶，导致突眼及眼球移位，眼眶受累也可以影响到动眼神经的分支。

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