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Where is the lesion CT Scan question?

3K views 8 replies 7 participants last post by  vikash 
#1 ·
A 22-year-old man falls while skateboarding and strikes the right side of his head against the concrete. On physical examination only a minor scalp abrasion is present at the site of the impact, with minimal bleeding that stops in a few minutes. He is initially alert following this accident, but then became unconscious 30 minutes later.

CT scan:
Astronomical object Crescent Font Circle Gas

click image to enlarge

These events are most likely to be associated with damage to which of the following:

A) Bridging veins
B) Cavernous sinus
C) Great vein of Galen
D) Inferior cerebellar artery
E) Middle meningeal artery
F) Ophthalmic branch of external carotid artery
 
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