Traumatic brain injury CT

Traumatic brain injury Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:  Joanna Ekabua, M.D. [2]

## Overview

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Head CT scan is the first and foremost test in evaluation of traumatic brain injury.

## CT

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* The CT test of choice in traumatic brain injury is a non-contrast CT head. The test is fast, inexpensive and widely available.
* It plays a crucial role in the diagnostic workup, classification, prognosis and workup.
* Acute findings of CT head include
* Midline shift
* Cerebral contusion
* Brain herniation
* Hydrocephalus
* Skull fracture
* Hematomas
* Subarachnoid hemorrhage
* Intraventricular hemorrhage

Axial non-contrast CT showing an epidural hematoma (yellow arrowhead), frontal lobe contusions (larger on the left) and a subdural hematoma extending into the parafalcine region (yellow arrow). Case courtesy of Dr Bruno Di Muzio (Picture courtesy: Radiopedia)

Axial non-contrast CT showing epidural hematomas (yellow arrowhead), and a midline shift. Case courtesy of Dr Subash Thapa (Picture courtesy: Radiopedia)

Axial non-contrast CT showing an intraventricular hemorrhage (yellow arrowhead), mild ventricular dilation (yellow arrow), and soft tissue swelling (yellow triangle). Case courtesy of Dr Derek Smith (Picture courtesy: Radiopedia)

## References

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