Clinical question: Altered mental status for one week, blunt head trauma. Signs and symptoms: Same Unenhanced head CT:There is no evidence of intracranial hemorrhage, edema, mass-effect, midline shift or hydrocephalus. The cortical sulci, ventricular system, CSF cisterns and gray -- white matter differentiation remains within normal. Limited view of the orbits are unremarkable. Calvarium and visualized paranasal sinuses and mastoid air cells as well as middle ear cavities are also unremarkable. There is no evidence of any soft tissue abnormality of scalp. If clinical concern persists recommend an MRI examination.
Negative nonenhanced head CT.