Head CT > Trauma > Quiz


Which of the following is NOT true concerning acute subdural hematoma?

Tearing of bridging veins causes acute subdural hematoma.
The hematoma is lenticellular in shape on CT.
The hematoma is crescent shaped on CT.
The hematoma does not cross dural reflections.

The most common cause of subarachnoid hemorrhage is trauma.


Which of the following is NOT true concerning subarachnoid hemorrhage?

A large amount of hemorrhage in the basilar cisterns could be a ruptured aneurysm.
Subarachnoid hemorrhage most commonly occurs over the cerebral convexity.
Subarachnoid hemorrhage can occur adjacent to a cerebral contusion.
On CT, the hemorrhage appears as focal hypodensity in sulci and fissures.
Subarachnoid hemorrhage occurs with injury of small arteries or veins on the surface of the brain.

Which of the following is NOT a characteristic of subacute subdural hematoma?

Compression of the lateral ventricle on the side of the hematoma.
Effaced sulci.
White matter buckling.
Thick cortical mantle.
Insular ribbon sign.

Which of the following is NOT true concerning subacute subdural hematoma?

Contrast is often used to visualize the hematoma on CT.
It should be suspected when there is a midline shift of structures without an obvious mass present.
On CT, the hemorrhage is hyperdense to normal gray matter.
Blood collects in the space between the arachnoid matter and the dura matter.

Your score is out of 5.


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