Presentation
Chronic headache after being shot in the head 30 years ago.
Patient Data
Metallic density foreign body is present at the right temporal bone skull base.
Metallic density foreign body is present at the right temporal bone posterior ridge of petrous lateral to the internal auditory canal, cochlear aqueduct and medial to the mastoid air cells and styloid process with extension into the posterior fossa soft tissue.
Case Discussion
High-velocity penetrating brain injuries, in practical terms most often due to cranial gunshot injuries, which are much less common than blunt traumatic brain injuries and distinguished from low-velocity penetrating brain injuries by the amount of kinetic energy deposited in the skull and brain parenchyma, which in turn has implications for the pattern and severity of the injury.
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