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March 2019 Clinical Case Vid. 2

Video Author: The Hearing Journal
Published on: 02.26.2019
Associated with: The Hearing Journal. 72(3):36,38,40, March 2019

Video 2. Axial (horizontal), thin-sliced MRI with time-of-flight sequence showing the arterial flow (bright) withclouding around the cavernous carotid artery.

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Creator:
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: 00:15
Video 3. Axial DWI showing no hyperintensity, indicating the absense of cholesteatoma in the temporal bone.
Creator: The Hearing Journal
Duration: 00:09
Video 4. Coronal (vertical, parallel to the face) T1 fat-suppressed post-contrast, which shows the mastoid fluid to be darker and the middle ear component hyperintense (brighter than the brain).
Creator: The Hearing Journal
Duration: 00:10
Video 5. Axial (horizontal) post-contrast bone window CT showing the fluid or soft tissue occupying the middle ear and mastoid.
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: 00:09
Video 1. Axial (horizontal) CISS showing the full extent of the Meckel’s cave diverticula.
Creator: The Hearing Journal
Duration: 00:09
Video 2. Axial (horizontal) T2 showing small ventricles, indicating that the patient is likely suffering from intracranial hypertension.
Creator: The Hearing Journal
Duration: 00:10
Video 3. Sagittal (parallel to auricle) T2 FLAIR MRI showing an empty sella.
Creator: The Hearing Journal
Duration: 00:12
Video 4. Four-vessel MRA showing no aneurysm.
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 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: 00:10
Video 2. Axial (horizontal) CT of the left temporal bonedemonstrating the normal IAC.



Creator:
Duration: 00:11
Video 1. Video of the examination.
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 5. Axial (horizontal) post-contrast bone window CT showing the fluid or soft tissue occupying the middle ear and mastoid.
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: 00:09
Video 5. MRV showing the left sigmoid sinus diverticulum and no other venous sinus stenosis.
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: 00:10
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: 00:11
Video 4. Axial (horizontal) CISS -sequence MRIshowing the tumor on the right (left side of theimages) IAC.
Creator: The Hearing Journal
Duration: 00:11
Video 5. Axial (horizontal) T1 non-contrast MRIdemonstrating the mass on the right IAC.
Creator: The Hearing Journal
Duration: 00:09
Video 6. Coronal (parallel to face) T1 MRI showing themass on the coronal plane.
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. Axial (horizontal) T1 MPRAGE post-gadolinium1 mm cut MRI showing the sigmoid sinus diverticulum.
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: 00:10
Video 2. Axial T1 post gadolinium MRI of the brain obtained for the MRV showing detailed axial view of thetransverse and sigmoid sinuses.
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: 00:09
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: 00:09
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: 00:10
Video 5. Axial (horizontal) CISS -sequence MRI does not show significant hyperintensity in the vestibular aqueduct.
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: 00:10
Video 6. Coronal (parallel to the face superiorly-inferiorly) T2 MRI showing the relationship between the Meckel’s cave and the skull base structures.
Creator: The Hearing Journal
Duration: 0:10
Video 1. Axial (horizontal) CT of the right temporal bone showing the sigmoid sinus diverticulum.
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 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 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: 0:10
Video 5. Coronal (vertical parallel to the face) CT of the left temporal bone shows the relationship between the common cavity and facial nerve.
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: 00:13
Video 1. Coronal (vertical) CT of the right temporal bone showing the defect in the tegmen mastoideum (bone separating brain from the ear).