Brain bulge after trauma

Post-traumatic encephalocele refers to open brain injury, especially penetrating firearm injury, because the scalp, skull and dura mater are all open, and even accompanied by scalp, skull and dura mater defects, Increased intracranial pressure caused by intracranial hemorrhage, cerebral edema, and brain swelling can easily cause brain tissue to bulge outward from the skull defect mouth like a mushroom.