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Training Collections
Library Memberships
On-demand course library with video lectures, expert case reviews, and more
Fellowship Certificate™ Programs
Practice-focused training programs designed to help you gain experience in a specific subspecialty area.
Ultimate Learning Pass
Unlock access to our full Course Library and all self-paced Fellowships.
Noon Conference (Free)
Get access to free live lectures, every week, from top radiologists.
Case of the Week (Free)
Get a free weekly case delivered right to your inbox.
Dr. Resnick's MSK Conference
Learn directly from the MSK Master himself.
Lower Extremities MRI Conference
Musculoskeletal Imaging
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For Training Programs
Supplement your training program with case-based learning for residents, registrars, fellows, and more.
For Private Practices
Upskill in high growth, advanced imaging areas.
Emergency Call Prep
Prepare trainees to be on call for the emergency department with this specialized training series.
42 topics, 2 hr. 16 min.
Introduction to Intradural Extramedullary Lesions
4 m.Standard MRI Pulse Sequences for Evaluating Spinal Lesions
3 m.Cystic Lumbar Schwanoma
4 m.Lumbar Spine Solid Schwanoma vs. Meningioma
3 m.Cervical Spine Plexiform Neurofibroma in a Patient with NF1
6 m.Intradural Extramedullary Lesion Differential Diagosis
3 m.Nerve Sheath Tumors of the Spine
5 m.Neurofibromatosis Type 2
4 m.Neurofibromatosis Type 1
4 m.Spinal Meningiomas
5 m.Thoracic Spine Meningioma
4 m.Calcified Meningioma
3 m.Cervical Spine Meningioma
4 m.Cervical Spine Meningioma, Atypical Location
4 m.Spinal Hemangioblastomas
3 m.Multiple Hemangioblastomas, Von Hippel Lindau
4 m.Myxopapillary Ependymoma
4 m.Spinal Paraganglioma
2 m.Differential Diagosis of Intradural Metastasis
10 m.Subarachnoid Seeding from Medulloblastoma
4 m.Subarachoid Seeding in a Breast Cancer Patient
3 m.Spinal Lymphoma
2 m.Congenital and Developmental IDEM Cysts
8 m.Neurenteric Cysts
4 m.Transdural Herniation of the Spinal Cord
3 m.Spinal Arachoid Cyst
3 m.Prominent Transdural Herniation of the Spinal Cord
2 m.Fat Containing Spine Lesions
4 m.Lumbar Spine Lipoma
2 m.Pediatric Lumbar Lipoma and a Congenital Malformation
3 m.Lipoma vs. Fatty Infiltration of the Filum
3 m.Congenital Dural Ectasia
3 m.Dural Ectasia
2 m.Dural Arteriovenous Fistula Type 1
4 m.Dural AVF vs. Normal Variation
5 m.Review of Dural AVF Types II, III, and IV
3 m.IDEM Infectious and Inflammatory Abormalities
6 m.Guillian Barre Syndrome
3 m.Chronic Inflammatory Demyelinating Polyradiculoneuropathy
3 m.CIDP Causing Cauda Equina Syndrome
3 m.CIDP Causing Brachial Plexopathy
3 m.Indradural Extramedullary Processes - Conclusion
2 m.0:01
As neuroradiologists,
0:02
when we think about paragangliomas,
0:04
we usually are thinking about head and neck lesions,
0:07
and those would include our glomus tympanicum
0:10
tumors in the middle ear cavity,
0:11
our glomus jugulare tumor in the jugular foramen, our
0:16
carotid body tumor at the carotid bifurcation,
0:20
and our glomus vagale tumor at the
0:22
C1-C2 skull base region.
0:25
And these are the typical locations for paragangliomas.
0:28
Rarely, you will see a paraganglioma in the same
0:31
general vicinity as where we see myxopapillary
0:36
ependymomas, and that is down here at the
0:38
cauda equina and filum terminale.
0:41
These lesions will be characterized by avid contrast
0:45
enhancement and relatively low incidence
0:49
of cystic change or hemorrhagic change.
0:53
Very rarely you will see it as a hypervascular
0:56
lesion with flow voids associated with it.
0:59
And you will see it as this intensely enhancing
1:03
tumor on the post-gadolinium-enhanced scan.
1:07
So we'll have a differential diagnosis which
1:09
would include all of the other tumors,
1:10
including schwannomas, meningiomas,
1:13
as well as the filum terminale ependymomas.
1:17
So again,
1:18
the feature that would be most helpful is the very
1:21
avid enhancement that you expect with paragangliomas
1:24
and if present, vascular flow voids.
Interactive Transcript
0:01
As neuroradiologists,
0:02
when we think about paragangliomas,
0:04
we usually are thinking about head and neck lesions,
0:07
and those would include our glomus tympanicum
0:10
tumors in the middle ear cavity,
0:11
our glomus jugulare tumor in the jugular foramen, our
0:16
carotid body tumor at the carotid bifurcation,
0:20
and our glomus vagale tumor at the
0:22
C1-C2 skull base region.
0:25
And these are the typical locations for paragangliomas.
0:28
Rarely, you will see a paraganglioma in the same
0:31
general vicinity as where we see myxopapillary
0:36
ependymomas, and that is down here at the
0:38
cauda equina and filum terminale.
0:41
These lesions will be characterized by avid contrast
0:45
enhancement and relatively low incidence
0:49
of cystic change or hemorrhagic change.
0:53
Very rarely you will see it as a hypervascular
0:56
lesion with flow voids associated with it.
0:59
And you will see it as this intensely enhancing
1:03
tumor on the post-gadolinium-enhanced scan.
1:07
So we'll have a differential diagnosis which
1:09
would include all of the other tumors,
1:10
including schwannomas, meningiomas,
1:13
as well as the filum terminale ependymomas.
1:17
So again,
1:18
the feature that would be most helpful is the very
1:21
avid enhancement that you expect with paragangliomas
1:24
and if present, vascular flow voids.
Report
Description
Faculty
David M Yousem, MD, MBA
Professor of Radiology, Vice Chairman and Associate Dean
Johns Hopkins University
Tags
Spine
Neuroradiology
Neoplastic
Musculoskeletal (MSK)
MRI
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