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Oct 2018 Clinical Case Vid. 5

Video Author: The Hearing Journal
Published on: 10.05.2018
Associated with: The Hearing Journal. 71(10):40,42,43, October 2018

Video 5. Sagittal (vertical, parallel to auricle) CT of the right temporal bone showing the extent of changes to anterior ear canal and TMJ.

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Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CT of the left temporal bone showing the deeply inserted electrode.
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. Coronal (parallel to the face) CT of the left temporal bone showing the deeply inserted electrode position in the coronal plane.
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 5. Sagittal (parallel to auricle) images of the left temporal bone showing electrodes in the apical turn of the cochlea, where a 20 mm electrode should not be present.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Sagittal (parallel to auricle) images of the right temporal bone demonstrating the normal appearance of electrodes in the cochlea on sagittal imaging.
Creator: The Hearing Journal
Duration: 00:16
Video 1. Axial (horizontal) T1 post-gadolinium 3 mm cut MRI does not show the contrast within thesigmoid sinus due to fast-flowing and thick imaging slices.
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 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: 00:10
Video 5. Axial (horizontal) CT temporal bones showing theextension of the diverticulum into the subcutaneous tissues.
Creator: The Hearing Journal
Duration: 00:15
Video 6. Coronal (parallel to the face) CT temporal bonesshowing the relationship between the sigmoid sinus andskull base.
Creator: The Hearing Journal
Duration: 0:10
Video 1. Axial (horizontal) bone window CT of the temporal bones showing the mass and bullet fragments scattered in the skull. The intense white in the carotid canal is previous coiling of the carotid artery.
Creator: The Hearing Journal
Duration: 0:10
Video 2. Axial (horizontal) soft tissue window CT of the temporal bone showing the extent of the mass.
Creator: The Hearing Journal
Duration: 0:13
Video 3. Coronal (parallel to face) bone window CT of the temporal bone demonstrating the mass and its relationship to the temporal bone structures.
Creator: The Hearing Journal
Duration: 0:10
Video 4. Sagittal CT of the right temporal bone showing the relationship between the mastoid facial nerve and the mass.
Creator: The Hearing Journal
Duration: 0:10
Video 5. Sagittal CT of the left temporal bone showing the normal temporal bone with scattered bullet fragments.
Creator: The Hearing Journal
Duration: 0:10
Video 6. Axial CT of the brain showing atrophy of the brain in the areas of previous surgery.
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 2. Coronal CT of the right temporal bone showing a likely cholesteatoma filling the mastoid



Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial (horizontal) CT of the left temporal bone showing the deeply inserted electrode.
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. Coronal (parallel to the face) CT of the left temporal bone showing the deeply inserted electrode position in the coronal plane.
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 5. Sagittal (parallel to auricle) images of the left temporal bone showing electrodes in the apical turn of the cochlea, where a 20 mm electrode should not be present.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Sagittal (parallel to auricle) images of the right temporal bone demonstrating the normal appearance of electrodes in the cochlea on sagittal imaging.
Creator: The Hearing Journal
Duration: 00:16
Video 1. Axial (horizontal) T1 post-gadolinium 3 mm cut MRI does not show the contrast within thesigmoid sinus due to fast-flowing and thick imaging slices.
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 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: 00:10
Video 5. Axial (horizontal) CT temporal bones showing theextension of the diverticulum into the subcutaneous tissues.
Creator: The Hearing Journal
Duration: 00:15
Video 6. Coronal (parallel to the face) CT temporal bonesshowing the relationship between the sigmoid sinus andskull base.
Creator: The Hearing Journal
Duration: 0:10
Video 1. Axial (horizontal) bone window CT of the temporal bones showing the mass and bullet fragments scattered in the skull. The intense white in the carotid canal is previous coiling of the carotid artery.
Creator: The Hearing Journal
Duration: 0:10
Video 2. Axial (horizontal) soft tissue window CT of the temporal bone showing the extent of the mass.
Creator: The Hearing Journal
Duration: 0:10
Video 5. Sagittal CT of the left temporal bone showing the normal temporal bone with scattered bullet fragments.
Creator: The Hearing Journal
Duration: 0:10
Video 6. Axial CT of the brain showing atrophy of the brain in the areas of previous surgery.
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 2. Coronal CT of the right temporal bone showing a likely cholesteatoma filling the mastoid
Creator: The Hearing Journal
Duration: 00:09
Video 4. Axial T2-weighted MRI of the brain showing hyperintensity in the right mastoid cavity, which indicates high water (proton) content.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial T1 post-contrast MRI images showing no enhancement in the right mastoid, which indicates dead (non-vascular) tissue.
Creator: The Hearing Journal
Duration: 00:10
Video 6. Axial diffusion-weighted MRI showing hyperintensity in the mastoid, which likely indicates cholesteatoma.
Creator: The Hearing Journal
Duration: 00:10
Video 4. Axial (horizontal) CT of temporal bone right after cochlear implantation showing electrodeposition.
Creator: The Hearing Journal
Duration: 00:11
Video 5. Axial T2 MRI showing significant inflammatory changes in the entire temporal bone.
Creator: The Hearing Journal
Duration: 00:11
Video 6. Coronal T1 post-gadolinium MRI showing the inflammation along the skull base.
Creator: The Hearing Journal
Duration: 00:11
Video 2. Axial (horizontal), thin-sliced MRI with time-of-flight sequence showing the arterial flow (bright) withclouding around the cavernous carotid artery.
Creator: The Hearing Journal
Duration: 00:10
Video 3. Coronal (parallel to the face superiorly-inferiorly) CT ofthe left temporal bone showing the tegmen mastoideum (roof ofmastoid) defect with meningocele or encephalocele in antrum.
Creator: The Hearing Journal
Duration: 00:12
Video 5. Sagittal (looking outside-in from laterally) CT of the temporalbone showing the sagittal anatomy of the encephalocele and itsrelationship with the ossicles.
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: 00:09
Video 4. Coronal (parallel to the face superiorly-inferiorly) CT of the left temporal bone showing the enlarged vestibular aqueduct in the coronal direction.
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: 00:15
Video 6. Coronal (parallel to the face superiorly-inferiorly) T1 MRI showing that the contents of the mastoid are in continuity with the brain.
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: 0:11
Video 4. Sagittal (looking outside-in laterally) CT of the temporal bone demonstrating the sagittal anatomy of the diverticulum.
Creator: The Hearing Journal
Duration: 00:10
Video 5. Sagittal (vertical, parallel to auricle) CT of the right temporal bone showing the extent of changes to anterior ear canal and TMJ.
Creator: The Hearing Journal
Duration: 00:10
Video 1. Axial CISS MRI showing the mass and its relationship with the IAC.
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 2. Axial (horizontal) CT of the left temporal bone shows the common cavity deformity.
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 3. Coronal (vertical) CT of the left temporal bone in the plane of the posterior semicircular canal showing the jugular bulb in its course.
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 1. Axial (horizontal) CT of the right temporal bone showing the defect in the previous mastoidectomy and soft tissue/fluid and air in the mastoid.
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: 00:11
Video 6. Coronal T2-weighted MRI of the right temporal bone showing the fluid-filled nature and extent of the mass.
Creator: Toni Bacala
Duration: 00:10
Video 6. Axial T2-weighted MRI showing isointense mass (similar color to brain).
Creator: Fan-Gang Zeng, PhD
Duration: 8:59
Audiology Pioneer William F. House, MD, is interviewed by HJ Editorial Board Chair Fan-Gang Zeng, PhD