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Pediatric Meniscal Root Tear Injury Case

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0:00

So now, let's go to our case.

0:02

It's a kitty cat.

0:04

It's a child.

0:06

There's a little bit of an effusion.

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Let's go right to the heart of the matter.

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Let's put up our coronal projection.

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It's very hard to tear anything in a child.

0:15

Because the tissues are so healthy and resilient.

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There is our lateral meniscus, our root,

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and our very well established beautiful

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dark root ligament.

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The posterior root ligament on the lateral side.

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Let's go to the medial meniscus.

0:37

There's our medial meniscus posterior horn.

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And there is our root ligament,

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but it does not attach to the bone.

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That's cortical bone. That's the root ligament.

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There is a little space between the two.

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Don't believe it. Let's blow it up.

0:56

There's a little space between the two.

0:58

Let's look at the next slice.

1:00

Still little space.

1:01

Let's look at the slice behind it.

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There are some of those frayed,

1:07

fibrillated fibers of the root ligament.

1:09

That should flatten down on the tibia.

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And look at the meniscus.

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It's subtly floating upwards.

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It's a child with an isolated root ligament

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detachment from the medial meniscus.

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So that concludes our discussion

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of anchoring of the meniscus.

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By demonstrating in a child detachment.

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Of the medial meniscus posterior root ligament.

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And to add just a little bit of fury to the case,

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let's make sure we see it sagittally.

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There's the root ligament on the lateral side.

1:45

Nice and flush.

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Let me blow it up one more time.

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Nice and flush. Right there.

1:51

Now go over to the medial side.

1:53

Sorry. Here's the medial side.

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It's not so flush, is it?

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That's the root ligament floating off of

2:00

its normal tibial attachment surface.

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We go to the next cut up.

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There's the interface between the ligament

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and the meniscus. And once again,

2:09

it is not flush on the surface of the tibia.

2:12

It's a beauty.

Report

Description

Faculty

Stephen J Pomeranz, MD

Chief Medical Officer, ProScan Imaging. Founder, MRI Online

ProScan Imaging

Tags

Trauma

Pediatrics

Musculoskeletal (MSK)

MRI

Knee

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