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A Guide to Temporal Bone Dissection: Infratemporal Approach (Part 6 of 6)

Authors

Mohamedkazim M. Alwani, MD1, 3

Jon L. Harper, BS1, 3

Rick F. Nelson, MD PhD1, 2, 3

Author Affiliations

Department of Otolaryngology – Head and Neck Surgery1

Department of Neurological Surgery2

Indiana University School of Medicine3

Video Description

This video demonstrates key steps in the infratemporal approach during lab dissection of the temporal bone. The goal of this video is to serve as a supplementary teaching resource for resident-level surgical trainees by demonstrating key surgical landmarks and proper lab dissection technique. This video builds on part five of our video series and demonstrates fundamental steps of the procedure including: decompression and mobilization of the facial nerve, dissection of the cochlear scalae, skeletonization of the carotid artery, and entry into the jugular bulb. We demonstrate the wide opening of the jugular bulb to facilitate visualization of the medial wall of the jugular bulb, which subsequently aids in the dissection of the pars nervosa. Key surgical landmarks demonstrated in the course of this video include: sigmoid sinus, jugular bulb, mastoid segment of the facial nerve, cochlear scalae, internal carotid artery, pars nervosa

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