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Free Content Postsurgical Temporal Bone: A Pictorial Essay of Commonly Encountered Neuro-otologic Surgical Approaches and Postoperative Imaging Appearance

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Interpreting imaging studies of the temporal bone after middle ear, mastoid, and internal auditory canal surgery can be challenging for neuroradiologists in training as well as for those in practice. We aimed to review the more commonly performed neuro-otologic surgical approaches and their indications as well as the expected postoperative findings on cross-sectional imaging of the temporal bone. A greater understanding of the radiologic postoperative appearance facilitates the recognition of complications and recurrent disease, when present, and enables the radiologist to provide expert interpretations to the surgeon.

Learning Objective: Describe the expected postoperative imaging appearance of the most commonly performed neuro-otologic surgical approaches.
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Keywords: CI = cochlear implantation; CSF = cerebrospinal fluid; CT = computed tomography; CWD = canal wall down; CWU = canal wall up; IAC = internal auditory canal; MCF = middle cranial fossa; MR = magnetic resonance

Document Type: Research Article

Publication date: May 1, 2016

More about this publication?
  • Neurographics is the peer-reviewed, bimonthly educational journal of the American Society of Neuroradiology. The journal comprises articles selected from material presented at the ASNR Annual Meeting. Neurographics also publishes other high-quality submissions that are primarily educational and have a high emphasis on a pictorial approach. Neurographics offers CME credit for reading review articles and completing quiz-based self-assessment activities.

    Visit the ASNR Education Connection to view all available CME courses.

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