Department of Neurological Surgery, University of Miami, Florida; and.
Department of Neurological Surgery, University of California, Los Angeles, California.
Neurosurg Focus. 2017 Oct;43(VideoSuppl2):V10. doi: 10.3171/2017.10.FocusVid.17363.
Extradural anterior clinoidectomy is a versatile technique to increase exposure of the sellar and parasellar region. It is of particular use in the resection of clinoidal meningiomas, as sphenoidal and clinoidal hyperostosis can cause compression of the optic nerve. Extradural clinoidectomy follows a series of steps, consisting of (1) unroofing of the superior orbital fissure, (2) unroofing of the optic canal, (3) removal of the optic strut, and (4) removal of the anterior clinoid process. The authors show these steps in detail, as well as their application to the resection of a large clinoidal meningioma. The video can be found here: https://youtu.be/O1Fcef29ETg .
硬膜外前床突切除术是一种增加鞍区和鞍旁区域显露的多用途技术。它在切除颅底型脑膜瘤时特别有用，因为蝶骨和床突骨过度生长会压迫视神经。硬膜外床突切除术遵循一系列步骤，包括（1）打开眶上裂，（2）打开视神经管，（3）切除视神经柱，以及（4）切除前床突。作者详细展示了这些步骤及其在切除大型颅底型脑膜瘤中的应用。该视频可在此处找到：https://youtu.be/O1Fcef29ETg。
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