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June 2020 Clinical Case Vid. 3

Video Author: The Hearing Journal
Published on: 06.05.2020
Associated with: The Hearing Journal. 73(6):40,43,44, June 2020

Video 3. Axial (horizontal) T1 post-gadolinium MRI images (3 mm slices) showing the mass in the left (right side of the image) vestibule.

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Creator: The Hearing Journal
Duration: 00:11
Video 1. Axial (horizontal) T2 MRI of the brain (5 mm slices) taken six months prior to presentation showing that the mass was not visible on the previous MRI .
Creator: The Hearing Journal
Duration: 00:09
Video 2. Axial (horizontal) T1 MPR MRI of the brain (1 mm slices) taken six months prior to presentation showing an unclear image in the area of the tumor.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Axial (horizontal) T1 post-gadolinium MRI images (3 mm slices) showing the mass in the left (right side of the image) vestibule.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Coronal (parallel to the face) T1 post-contrast MRI images (3 mm slices) showing the mass in the coronal direction.
Creator: The Hearing Journal
Duration: 00:09
Video 5. Sagittal (parallel to the ear) T1 MPR (1 mm slices) post-contrast MRI showing the mass and its extension in the sagittal direction.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial (horizontal) CISS sequence (1 mm slices) showing the mass in the left vestibule.
Creator: The Hearing Journal
Duration: 0:10
Video 1. Axial (horizontal) CT showing the anatomy of the temporal bones.
Creator: The Hearing Journal
Duration: 0:12
Video 2. Coronal (parallel to the face) CT of the right temporal bone showing the trapped epithelium medial to the bony growth in the geniculate ganglion area.
Creator: The Hearing Journal
Duration: 0:13
Video 3. Sagittal (parallel to auricle) CT of the left temporal bone demonstrating destruction of the mastoid bone from the cholesteatoma.
Creator: The Hearing Journal
Duration: 0:10
Video 4. Axial (horizontal) T2 MRI showing the hyperintense masses on both sides.
Creator: The Hearing Journal
Duration: 0:13
Video 5. Axial (horizontal) T1 non-contrast MRI showing that the bright areas seen on the T2 MRI have the same or a darker color than the brain (hypointense).
Creator: The Hearing Journal
Duration: 0:11
Video 6. Coronal (parallel to the face) HASTE sequence showing the areas of hyperintense (bright) signal on eachside.
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: 00:11
Video 1. Axial (horizontal) T2 MRI of the brain (5 mm slices) taken six months prior to presentation showing that the mass was not visible on the previous MRI .
Creator: The Hearing Journal
Duration: 00:09
Video 2. Axial (horizontal) T1 MPR MRI of the brain (1 mm slices) taken six months prior to presentation showing an unclear image in the area of the tumor.
Creator: The Hearing Journal
Duration: 00:09
Video 3. Axial (horizontal) T1 post-gadolinium MRI images (3 mm slices) showing the mass in the left (right side of the image) vestibule.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Coronal (parallel to the face) T1 post-contrast MRI images (3 mm slices) showing the mass in the coronal direction.
Creator: The Hearing Journal
Duration: 00:09
Video 5. Sagittal (parallel to the ear) T1 MPR (1 mm slices) post-contrast MRI showing the mass and its extension in the sagittal direction.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial (horizontal) CISS sequence (1 mm slices) showing the mass in the left vestibule.
Creator: The Hearing Journal
Duration: 0:10
Video 1. Axial (horizontal) CT showing the anatomy of the temporal bones.
Creator: The Hearing Journal
Duration: 0:13
Video 3. Sagittal (parallel to auricle) CT of the left temporal bone demonstrating destruction of the mastoid bone from the cholesteatoma.
Creator: The Hearing Journal
Duration: 0:11
Video 6. Coronal (parallel to the face) HASTE sequence showing the areas of hyperintense (bright) signal on eachside.
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: 00:10
Video 6. Axial CT of the left temporal bone showing the soft tissue and fluid in the middle ear and mastoid.
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: 00:09
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: 00:09
Video 4. Axial (horizontal) T1 MPRAGE post-gadolinium1 mm cut MRI showing the sigmoid sinus diverticulum.
Creator: The Hearing Journal
Duration: 00:09
Video 2. Axial (horizontal) soft tissue window CT of temporal bone showing that the ear canal is filled withsoft tissue.
Creator: The Hearing Journal
Duration: 00:09
Video 1. Axial (horizontal) CT of the right temporal bone showing the otosclerosis and enlarged vestibular aqueduct.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Axial (horizontal) CT of the left temporal bone showing the otosclerosis and enlarged vestibular aqueduct.
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 1. Axial (horizontal) CT of the right temporal bone showing the sigmoid sinus diverticulum.
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 2. For comparison: Axial CT of the right temporal bone showing the jugular bulb in its normal position below the middle ear
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: 00:09
Video 1. Axial (horizontal cut) CT of the right temporal bone showing the previous mastoidectomy defect and the mass in the ear canal.
Creator: The Hearing Journal
Duration: 00:12
Video 4. Axial T1-weighted post-gadolinium MRI of the right temporal bone showing the mass in the ear canal is not enhancing (bright).