0:00

Here's a patient with a cerebral pontin angle lesion

0:04

extends laterally along the anterior margin

0:05

of the left cerebellar hemisphere has heterogeneous,

0:09

intermediate, uh, appearance on T two.

0:13

Uh, the post contrast enhancement is also heterogeneous

0:17

and there's heterogeneous areas of reduced diffusivity.

0:21

Now, there's some microcystic areas which are gonna have

0:23

facilitated diffusion,

0:25

but the solid portions definitely show reduced diffusivity.

0:31

And those solid portions also show relative increased

0:33

density on ct.

0:36

So this is a, a wind activated medulloblastoma,

0:40

so it follows what we're, what we were seeing before.

Case: WNT-activated Medulloblastoma

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0:00

Here's a patient with a cerebral pontin angle lesion

0:04

extends laterally along the anterior margin

0:05

of the left cerebellar hemisphere has heterogeneous,

0:09

intermediate, uh, appearance on T two.

0:13

Uh, the post contrast enhancement is also heterogeneous

0:17

and there's heterogeneous areas of reduced diffusivity.

0:21

Now, there's some microcystic areas which are gonna have

0:23

facilitated diffusion,

0:25

but the solid portions definitely show reduced diffusivity.

0:31

And those solid portions also show relative increased

0:33

density on ct.

0:36

So this is a, a wind activated medulloblastoma,

0:40

so it follows what we're, what we were seeing before.

Report

Faculty

Asim F Choudhri, MD

Chief, Pediatric Neuroradiology

Le Bonheur Children's Hospital

Lesson

Introduction

Lesson

Meningiomas

Lesson

Non-glial Tumors

Lesson

2021 WHO CNS Tumor Classification

Lesson

Gliomas

Lesson

Pediatric Brain Tumor Cases

Case: WNT-activated Medulloblastoma