Just a graze?

In conclusion, when approaching a patient with head injury and one or more cranial nerve palsies, it is important to consider cephalic tetanus. Figure 1 Axial CT head shows a large subcutaneous haematoma overlying the right frontal convexity with locules of gas and a 3mm metallic density at its inferior aspect, possibly representing a foreign body.
Source: Journal of Neurology, Neurosurgery and Psychiatry - Category: Neurosurgery Authors: Tags: Immunology (including allergy), Cranial nerves, Drugs: CNS (not psychiatric), Neurological injury, Stroke, Trauma CNS / PNS, Hypertension, Trauma, Injury Association of British Neurologists (ABN) joint meeting with the Royal College of Physicians (RCP), Source Type: research