Traumatic subarachnoid hemorrhage

Discussion:

Trauma is the most common cause of subarachnoid hemorrhage (rage 11-60%). It is seen in one-third of patients with moderate brain injury and is probably related to tearing of veins in subarachnoid space. It is most commonly seen in cerebral sulci (peripheral location) and is associated with contusions, subdural hematoma and other trauma-related findings in nearly all cases. It has a better prognosis than aneurysmal SAH.

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