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Question:
A 26-year-old medical student falls while snowboarding and strikes the left side of his head against the hard packed mountain slope. He was not wearing a helmet. A head CT scan reveals a convex, lens-shaped area of hemorrhage centered over the left parietal region. Which of the following intracranial vascular structures is likely responsible for this bleeding?
Correct Answer: E. Middle meningeal artery
Damage to the middle meningeal artery is the cause of an epidural hematoma. In this case, it is secondary to blunt trauma of the left temporal region. Epidural hematomas are characterized by convex, lens-shaped areas of hemorrhage near the parietal bone.
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Category: PathologyA 26-year-old medical student falls while snowboarding and strikes the left side of his head against the hard packed mountain slope. He was not wearing a helmet. A head CT scan reveals a convex, lens-shaped area of hemorrhage centered over the left parietal region. Which of the following intracranial vascular structures is likely responsible for this bleeding?
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