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I'm Dr. Thapa.

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3 00:00:02,239 --> 00:00:04,840 I'm a pediatric musculoskeletal radiologist

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from Seattle Children's, and today I'll

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be talking to you about musculoskeletal

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conditions in the pediatric population

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with a special focus on cartilage imaging.

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And where better to start with cartilage

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imaging and what it looks like in the pathology

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than at the epiphysis and the physis, where

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the majority of the pathology is going to happen,

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particularly for our discussion purposes.

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So we're going to concentrate on a few things.

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One, we have to realize that

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kids aren't small adults.

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That means that we just can't take the pathology

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that happens in adults and apply it to kids.

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And also, kids aren't large infants.

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So the things that happen in

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infants are also different than what

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happens in a slightly older child.

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Second, we're going to focus on

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a little bit of marrow changes.

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What happens as an infant grows into

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childhood and childhood goes into

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adolescence and so on and so forth.

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And we're also going to talk about some

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pathology that is relevant to these

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areas in the pediatric population.

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And in order to talk about all of

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these things, there are two overarching

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themes that I will sort of harp on

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every time that I think is relevant.

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One is that when the skeleton is immature,

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the cartilaginous junctions, and even

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the bones, because of their matrix and

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composition, are actually weaker than the

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tendons and ligaments that attach to them.

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So oftentimes the injuries are going to happen

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at the level of these cartilaginous junctions.

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regions as opposed to tendons or ligaments.

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So that's one of the overarching themes.

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The other one is that when we do have injuries,

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they tend to repair much more quickly in kids.

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They're a lot more resilient, and

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they often have a lot more normal

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variation that we have to watch out for.

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So with that preamble, let's go on

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to look at some cartilage imaging.