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Non-Accidental Trauma CT (Part 2)

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Here we have a patient who has one of those

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posterior falcian hemorrhages that I mentioned

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that are often associated with non accidental

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trauma, as well as collections of different ages.

0:13

Low density anteriorly, higher density posteriorly.

0:17

This is not a layering phenomenon.

0:18

This is a patient who has had

0:20

multiple subdural hematomas.

0:22

There's even a very low density subdural hematoma here.

0:26

How do I know that this isn't just the

0:28

dilatation of the subarachnoid space?

0:30

Well, you'll look for blood vessels, and

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if the blood vessels are compressed inward,

0:35

it's a low density subdural collection.

0:37

If the blood vessels cross here, that's more likely

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to represent dilatation of the subarachnoid space.

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And in children who have been chronically

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traumatized, they may show volume loss so that

0:50

there is dilatation of the subarachnoid space.

0:52

Once again, look at the areas around the

0:56

retina for retinal hemorrhages, which may

0:59

indicate, again, non accidental trauma as an

1:03

etiology for the patient's brain injuries.

Report

Faculty

David M Yousem, MD, MBA

Professor of Radiology, Vice Chairman and Associate Dean

Johns Hopkins University

Tags

Trauma

Neuroradiology

Emergency

CT

Brain

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