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Feb 2019 Clinical Case Vid. 2

Video Author: The Hearing Journal
Published on: 01.30.2019

Video 2. Axial (horizontal) CT of the left temporal bone showing the otosclerosis and enlarged vestibular aqueduct.

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Creator: The Hearing Journal
Duration: 0:09
Video 1. Axial (horizontal) CT showing exposed bone.
Creator: The Hearing Journal
Duration: 0:10
Video 2. Coronal (parallel to the face) CT of the temporal bones showing exposed bone and middle ear and mastoid inflammation.
Creator: The Hearing Journal
Duration: 0:10
Video 3. Sagittal (parallel to auricle) CT of the temporal bones demonstrating destruction of the mastoid and anterior ear canal.
Creator: The Hearing Journal
Duration: 0:11
Video 4. Axial (horizontal) T1 post-gadolinium MRI showing soft tissue inflammation in the mastoid and none in the ear canal.
Creator: The Hearing Journal
Duration: 0:09
Video 5. Axial gallium-67 SPECT scan prior to treatment showing uptake of the radionucleotide in the left parotid and no significant uptake on the right side of the patient (left side of the image).
Creator: The Hearing Journal
Duration: 0:09
Video 6. Axial gallium-67 SPECT scan prior to treatment showing uptake of the radionucleotide in the left parotid and no significant uptake on the right side of the patient (left side of the image).
Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CT showing a mass in the ear canal but no bony erosion into the mastoid or the anterior ear canal.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Coronal (vertical, parallel to the face) CT showing the mass with some opacification of the mastoid and the epitympanum.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Sagittal (vertical, parallel to the ear) CT showing the canal to be fully intact.
Creator: The Hearing Journal
Duration: 00:15
Video 4. Axial (horizontal) T1 post-gadolinium MRI showing the mass in the ear canal and no extension into the mastoid or parotid gland.
Creator: The Hearing Journal
Duration: 00:14
Video 5. Coronal (vertical, parallel to the face) T1 postgadolinium MRI showing that the mass did not extend intracranially.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial (horizontal) DWI MRI showing no cholesteatoma.
Creator: The Hearing Journal
Duration: 00:11
Video 1. Video of the examination.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Axial (horizontal) T2 MRI showing small amount of fluid in the mastoid on right and normal mastoid on the left.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Axial (horizontal) CT showing the opening in the mastoid and some air intracranially.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Coronal (vertical parallel to face) CT showing the opening in the posterior mastoid.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) T1 post-gadolinium showing the extent of the large petroclival meningioma.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial (horizontal) CT prior to the recent surgery showing an intact mastoid process and previous titanium plate over the craniectomy
Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CISS images demonstrating hyperintense (brighter than the brain) fluid in the middle ear and mastoid on the right (left side of the images).
Creator: The Hearing Journal
Duration: 00:13
Video 2. Axial (horizontal) T1 showing the hyperintense fluid in the right middle ear.



Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CT showing a mass in the ear canal but no bony erosion into the mastoid or the anterior ear canal.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Coronal (vertical, parallel to the face) CT showing the mass with some opacification of the mastoid and the epitympanum.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Sagittal (vertical, parallel to the ear) CT showing the canal to be fully intact.
Creator: The Hearing Journal
Duration: 00:15
Video 4. Axial (horizontal) T1 post-gadolinium MRI showing the mass in the ear canal and no extension into the mastoid or parotid gland.
Creator: The Hearing Journal
Duration: 00:14
Video 5. Coronal (vertical, parallel to the face) T1 postgadolinium MRI showing that the mass did not extend intracranially.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial (horizontal) DWI MRI showing no cholesteatoma.
Creator: The Hearing Journal
Duration: 00:11
Video 1. Video of the examination.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Coronal (vertical, parallel to the face) CT of the temporal bones showing no tegmen (bone separating the brain from the ear) defect.
Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CT of the right temporal bone showing the widened IAC.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Axial (horizontal) CT of the left temporal bonedemonstrating the normal IAC.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Coronal (parallel to face) CT showing thenormal vs. an abnormally widened IAC in the coronalplane.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Axial (horizontal) CT of the right temporal bone showing the normally inserted electrode
Creator: The Hearing Journal
Duration: 00:10
Video 3. Magnetic resonance venography (MRV) threedimensionalreconstruction of the TOF sequence turning inthe axial plane.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) CT temporal bones showing theextension of the diverticulum into the subcutaneous tissues.
Creator: The Hearing Journal
Duration: 00:10
Video 1. Subtraction MR arteriography (three-dimensional view of all arteries) of the patient with spinning inthe lateral direction showing the blushing of vessels around the cavernous carotid.
Creator: The Hearing Journal
Duration: 00:35
Video 6. Coronal (parallel to the face superiorly-inferiorly) T1 MRIshowing that the contents of the mastoid are in continuity with thebrain.
Creator: The Hearing Journal
Duration: 00:10
Video 3. Coronal (parallel to the face superiorly-inferiorly) CT of the right temporal bone showing the enlarged vestibular aqueduct in the coronal direction.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) CISS -sequence MRI does not show significant hyperintensity in the vestibular aqueduct.
Creator: The Hearing Journal
Duration: 00:09
Video 1. Axial (horizontal) CT of the left temporal bone showing the fluid in the mastoid and the encephalocele.
Creator: The Hearing Journal
Duration: 0:11
Video 3. Coronal (parallel to the face superiorly-inferiorly) CT of the right temporal bone showing the relationship between the sigmoid and mastoid.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Coronal HASTE sequence showing no hyperintensity in the entire field of study.
Creator: The Hearing Journal
Duration: 0:09
Video 6. Sagittal (vertical, parallel to the ear) CT of the left temporal bone shows the internal auditory canal going toward the ear canal anatomy.
Creator: The Hearing Journal
Duration: 0:14
Video 1. Axial (horizontal) T1-weighted post-contrast MRI of the brain showing the mass and its adherence to the posterior fossa dura in the mastoid.
Creator: The Hearing Journal
Duration: 00:09
Video 4. Poschl view CT (parallel to the superior semicircular canal) of the left temporal bone showing an intact superior semicircular canal.
Creator: The Hearing Journal
Duration: 00:14
Video 4. Coronal T1-weighted post-contrast MRI of the temporal bones showing the brain close to the destruction of the tegmen above the ear canal on the patient’s right side (left side of images).
Creator: Toni Bacala
Duration: 00:14
Video 5. Coronal T1-weighted gadolinium-enhanced MRI of the IAC showing the mass and its location.