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Internal auditory canal CT-Scan

A CT scan of the internal auditory canal is a medical imaging examination that generates images of the ear’s structure in the form of thin sub-millimetre sections.

Your health care professional may prescribe a CT scan of the internal auditory canal to investigate and detect:

  • Hearing disorders
  • Balance disorders
  • Inflammation or a tumour

Examination procedure

For the examination, we will ask you to:

  • Put on a hospital gown and remove your jewelry and any metal objects that could affect the quality of the images.
  • Lie comfortably on a table and remain still. The table will slide into the CT scanner.
  • Hold your breath for a few seconds while we proceed with the examination. Please note that we will capture the images very quickly, to reduce the radiation dose you receive.

Depending on the examination prescribed by your health care professional, you may be injected with a contrast agent. We will give you a list of these agents when you make your appointment. If you think you may be allergic, please let the technologist know.

To help you plan, please note that the total length of your visit may vary between 30 and 60 minutes, even if the examination itself only takes between 10 and 25 minutes.

A medical prescription is required to perform this examination.
Please note that CT-Scan examinations are not covered by the Régie de l’Assurance Maladie du Québec (RAMQ). However, most group insurance plans cover the costs.

If your healthcare professional has prescribed this examination or if you have any questions, contact us at 1 833 590-2715.