Training Collections
Musculoskeletal Imaging
Emergency Imaging
PET Imaging
Pediatric Imaging
Training Collections
Musculoskeletal Imaging
Emergency Imaging
PET Imaging
Pediatric Imaging
Lesson
Introduction
1 topic,
Lesson
Meningiomas
15 topics, 59 min.
Case: Assessing Lesion Position
4 m.Intra-Axial vs. Extra-Axial Lesions
3 m.Case: Typical Locations of Meningiomas
3 m.Case: Defining Meningioma
2 m.Case: Meningioma Appearance on MRI
6 m.Case: Meningioma Enhancement
3 m.Case: Meningioma vs. Schwannoma
5 m.Case: Meningiomas in the Posterior Fossa
5 m.Case: Planum Sphenoidale Meningioma with Orbital Apex Extension
4 m.Case: Suprasellar Meningioma
7 m.Case: Optic Nerve Meningioma
6 m.Case: Vascular Encasement of Meningioma With Absent Vasogenic Edema
3 m.Case: Parafalcine Meningioma
6 m.Case: Meningiomatosis
5 m.Case: Solitary Fibrous Tumor
6 m.Lesson
Non-glial Tumors
9 topics, 38 min.
Case: Hemangioblastoma and Von Hippel-Lindau Syndrome
7 m.Case: Recurrent Hemangioblastoma
3 m.Case: Spinal Hemangioblastoma
4 m.Case: VHL Renal Lesions
6 m.Case: Endolymphatic Sac Tumor
3 m.Case: Central Neurocytoma
6 m.Case: Lhermitte-Duclos Disease/Dysplastic Cerebellar Gangliocytoma
6 m.Case: Epidermoid Cyst
4 m.Case: Rhabdomyosarcoma
4 m.Lesson
2021 WHO CNS Tumor Classification
10 topics, 44 min.
Introduction to Glioma Imaging
1 m.Introduction to the 2021 WHO CNS Tumor Classification
5 m.Neuroimaging Techniques For CNS Tumors
13 m.Pediatric Brain Tumors Based on Molecular Genetics: Medulloblastomas
2 m.Pediatric Brain Tumors Based on Molecular Genetics: Ependymomas
6 m.Pediatric Brain Tumors Based on Molecular Genetics: Diffuse Midline Gliomas
4 m.Adult Brain Tumors Based on Molecular Genetics: Solitary Fibrous Tumors and Hemangiopericytoma
2 m.Adult Brain Tumors Based on Molecular Genetics: Circumscribed Gliomas
2 m.Adult Brain Tumors Based on Molecular Genetics: Glioblastomas
3 m.Adult Brain Tumors Based on Molecular Genetics: Diffuse Gliomas
9 m.Lesson
Gliomas
21 topics, 1 hr. 32 min.
IDH-Wildtype Gliomas
8 m.Case: Primary IDH-Wildtype Glioma
3 m.Case: IDH-Wildtype Glioma
6 m.Case: IDH-Wildtype Gliobastoma with Epedymal Extension
7 m.IDH-Mutant Gliomas
9 m.Case: IDH-Mutant Astrocytoma, FLAIR Mismatch, Grade 2
5 m.Case: IDH-Mutant Astrocytoma, Grade 2
3 m.Case: IDH-Mutant Oligodendroglioma, Grade 2
2 m.Case: Oligodendroglioma, Grade 3
3 m.Case: CNS Lymphoma
4 m.H3 and BRAF Gliomas
9 m.Case: H3K27M Midline Glioma, Grade 4
3 m.Case: H3K27 Glioma
3 m.Case: BRAF V600E Tumor
5 m.T2 FLAIR Mismatch Sign of IDH-Mutant Astrocytomas
8 m.Case: T2 FLAIR Mismatch Sign, Astrocytoma – 31 y/o Female
2 m.Case: T2 FLAIR Mismatch Sign, Astrocytoma – 28 y/o Male
1 m.Case: IDH Mutant Astrocytoma, No Mismatch Sign
2 m.Approach to Intra-Axial Tumors: Tumor Mimics, Non-Neoplastic Lesions
12 m.Final Pearls, Pediatric Non-Gliomas
5 m.Summary
2 m.Lesson
Pediatric Brain Tumor Cases
17 topics, 26 min.
Case: Typical Medulloblastoma
2 m.Case: WNT-activated Medulloblastoma
1 m.Case: SHH-activated Medulloblastoma
2 m.Case: Ependymoma
2 m.Case: Posterior Fossa Ependymoma Type B
2 m.Case: Pilocytic Astrocytoma
2 m.Case: Solid Pilocytic Astrocytoma With No Discernible Cyctic Component
3 m.Case: Pilocytic Astrocytoma Within the Fourth Ventricle
2 m.Case: H3K27M Diffuse Midline Glioma With a DIPG Pattern, Grade 4
3 m.Case: Diffuse Midline Glioma With a DIPG Pattern
2 m.Case: Pilocytic Astrocytoma Masked as DIPG
2 m.Case: Embryonal Tumor With Multilayered Rosettes
2 m.Case: Diffuse Midline Glioma With a Bi-thalamic Pattern
2 m.Case: Pilocytic Astrocytoma Arising From the Thalamus
2 m.Case: Diffuse Astrocytoma
1 m.Case: Diffuse Astrocytoma With Apparent Discrete Margins
2 m.Case: Diffuse Astrocytoma With Gliomatosis Cerebri Pattern of Spread
2 m.0:00
Dr. Laser,
0:01
a lot of your young colleagues often ask,
0:02
"Well, what's a meningioma? What really is it?"
0:05
Well, it's a tumor.
0:07
It arises from arachnoid capsules in the extra-axial space.
0:11
So, it's an extra-axial monoclonal tumor.
0:15
There's a meningioma gene, by the way,
0:17
so this is a good bar question where
0:19
you can win a free beer.
0:20
And that meningioma gene is found on chromosome 22.
0:25
It's no secret that in neurofibromatosis type 2 or NF2,
0:31
chromosome 22 also has a mutation.
0:34
So the meningioma, the isolated meningioma,
0:37
has an abnormality on chromosome 22 that is located
0:40
between myoglobin and the c-sis proto-oncogene.
0:43
And patients with NF2 have a different abnormality,
0:46
but also on chromosome 22.
0:49
Everybody knows,
0:51
or if you don't, you know it now,
0:52
that individuals with NF2 get multiple meningiomas.
0:56
And by the way,
0:57
speaking of multiple meningiomas,
0:59
there's also a phacomatosis called
1:01
multiple meningiomatosis,
1:03
which is frequently unilateral, but can be bilateral.
1:06
Meningioma, an extra-axial mass
1:09
arising from arachnoid cap cells,
1:12
demonstrated here in the olfactory groove on T1 C-,
1:16
T1 C+ and T2 spin echo MR imaging
1:20
in an extra-axial location.
Case: Defining Meningioma
HIDEInteractive Transcript
0:00
Dr. Laser,
0:01
a lot of your young colleagues often ask,
0:02
"Well, what's a meningioma? What really is it?"
0:05
Well, it's a tumor.
0:07
It arises from arachnoid capsules in the extra-axial space.
0:11
So, it's an extra-axial monoclonal tumor.
0:15
There's a meningioma gene, by the way,
0:17
so this is a good bar question where
0:19
you can win a free beer.
0:20
And that meningioma gene is found on chromosome 22.
0:25
It's no secret that in neurofibromatosis type 2 or NF2,
0:31
chromosome 22 also has a mutation.
0:34
So the meningioma, the isolated meningioma,
0:37
has an abnormality on chromosome 22 that is located
0:40
between myoglobin and the c-sis proto-oncogene.
0:43
And patients with NF2 have a different abnormality,
0:46
but also on chromosome 22.
0:49
Everybody knows,
0:51
or if you don't, you know it now,
0:52
that individuals with NF2 get multiple meningiomas.
0:56
And by the way,
0:57
speaking of multiple meningiomas,
0:59
there's also a phacomatosis called
1:01
multiple meningiomatosis,
1:03
which is frequently unilateral, but can be bilateral.
1:06
Meningioma, an extra-axial mass
1:09
arising from arachnoid cap cells,
1:12
demonstrated here in the olfactory groove on T1 C-,
1:16
T1 C+ and T2 spin echo MR imaging
1:20
in an extra-axial location.
Report
Faculty
Stephen J Pomeranz, MD
Chief Medical Officer, ProScan Imaging. Founder, MRI Online
ProScan Imaging
Tags
Oncologic Imaging
Neuroradiology
Neoplastic
MRI
Brain
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