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July 2020 Clinical Case Vid. 1

Video Author: The Hearing Journal
Published on: 07.13.2020
Associated with: The Hearing Journal. 73(7):20,22,23, July 2020

Video 1. Axial (horizontal) CT of the temporal bones showing abnormalities of the left temporal bone.

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Creator: The Hearing Journal
Duration: 0:11
Video 1. Axial (horizontal) CT of the temporal bones showing the mass medial to the ossicles.
Creator: The Hearing Journal
Duration: 0:10
Video 2. Coronal (vertical parallel to the face) CT of the temporal bones showing the mass and its relationship to the horizontal canal and the cochlea.
Creator: The Hearing Journal
Duration: 0:10
Video 3. Sagittal (vertical parallel to the ear) CT of the temporal bones demonstrating the mastoid component ofthe tumor.
Creator: The Hearing Journal
Duration: 0:12
Video 4. Axial (horizontal) T1-weighted post-contrast MRI of the brain showing the mass and its extratemporal areas.
Creator: The Hearing Journal
Duration: 0:10
Video 5. Coronal (vertical parallel to face) T1-weighted postcontrast MRI of the brain showing the extension of the mass off the stylomastoid foramen.
Creator: The Hearing Journal
Duration: 0:10
Video 6. Sagittal (vertical parallel to ear) T1-weighted postcontrast MRI of the brain showing the tumor in the sagittal plane.
Creator: The Hearing Journal
Duration: 00:09
Video 1. Axial (horizontal) CT of the temporal bones showing abnormalities of the left temporal bone.
Creator: The Hearing Journal
Duration: 00:12
Video 2. Coronal (parallel to face) CT showing the large tegmen defect.
Creator: The Hearing Journal
Duration: 00:12
Video 3. Sagittal (parallel to ear) CT of the temporal bone showing the relationship between the facial nerve and the area in question.
Creator: The Hearing Journal
Duration: 00:11
Video 4. Coronal (parallel to face) HASTE sequence showing the area of the cholesteatoma.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) T2 MRI showing the area of the abnormality on the T2 axial sequence.
Creator: The Hearing Journal
Duration: 00:11
Video 6. Coronal (parallel to face) T2 MRI showing the area of abnormality on the T2 coronal sequence and the brain and mastoid relationship.
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: 0:11
Video 1. Axial (horizontal) CT of the temporal bones showing the mass medial to the ossicles.
Creator: The Hearing Journal
Duration: 0:10
Video 2. Coronal (vertical parallel to the face) CT of the temporal bones showing the mass and its relationship to the horizontal canal and the cochlea.
Creator: The Hearing Journal
Duration: 0:10
Video 3. Sagittal (vertical parallel to the ear) CT of the temporal bones demonstrating the mastoid component ofthe tumor.
Creator: The Hearing Journal
Duration: 0:12
Video 4. Axial (horizontal) T1-weighted post-contrast MRI of the brain showing the mass and its extratemporal areas.
Creator: The Hearing Journal
Duration: 0:10
Video 5. Coronal (vertical parallel to face) T1-weighted postcontrast MRI of the brain showing the extension of the mass off the stylomastoid foramen.
Creator: The Hearing Journal
Duration: 0:10
Video 6. Sagittal (vertical parallel to ear) T1-weighted postcontrast MRI of the brain showing the tumor in the sagittal plane.
Creator: The Hearing Journal
Duration: 00:09
Video 1. Axial (horizontal) CT of the temporal bones showing abnormalities of the left temporal bone.
Creator: The Hearing Journal
Duration: 00:12
Video 2. Coronal (parallel to face) CT showing the large tegmen defect.
Creator: The Hearing Journal
Duration: 00:12
Video 3. Sagittal (parallel to ear) CT of the temporal bone showing the relationship between the facial nerve and the area in question.
Creator: The Hearing Journal
Duration: 00:11
Video 4. Coronal (parallel to face) HASTE sequence showing the area of the cholesteatoma.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) T2 MRI showing the area of the abnormality on the T2 axial sequence.
Creator: The Hearing Journal
Duration: 00:11
Video 6. Coronal (parallel to face) T2 MRI showing the area of abnormality on the T2 coronal sequence and the brain and mastoid relationship.
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: 0:10
Video 4. Axial (horizontal) T2 MRI showing the hyperintense masses on both sides.
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: 00:09
Video 5. MRV showing the left sigmoid sinus diverticulum and no other venous sinus stenosis.
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: 00:09
Video 4. Coronal (parallel to the face) CT of the right temporal bone demonstrating a normal electrode position.
Creator: The Hearing Journal
Duration: 00:10
Video 2. Coronal (parallel to face) time-of-flight (TOF) sequence MRI showing the sigmoid sinus anatomyand the intracranial venous system.
Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial CT of the right temporal bone showing the dehiscence of the horizontal canal.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Axial T2 MRI showing normal internal auditory canalsand cochleae.
Creator: The Hearing Journal
Duration: 00:13
Video 6. Coronal T1 post gadolinium MRI of the brain obtainedin 2010 showing the coronal view of the transverse andsigmoid sinuses and corresponding narrowing on the left.
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 5. Axial (horizontal) CISS -sequence MRI does not show significant hyperintensity in the vestibular aqueduct.
Creator: The Hearing Journal
Duration: 00:15
Video 6. Coronal (parallel to the face superiorly-inferiorly) T2 MRI showing the inner ear with no 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: 0:10
Video 2. Axial (horizontal) CT of the left temporal bone showing the full defect of the posterior cranial fossa.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Coronal (vertical, parallel to face) soft tissue window CT of the neck showing the extension of edema to the pharynx from the skull base.
Creator: The Hearing Journal
Duration: 0:09
Video 1. Axial (horizontal) CT of the temporal bone on the right shows the cochlear aplasia.
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: 00:12
Video 2. Coronal (vertical) CT of the left temporal bone showing the thinning of the tegmen mastoideum.