Clinical question: 87 year-old female with altered mental status, posturing. Signs and symptoms: Altered mental status. Non-enhanced CT of brain:There is no evidence of acute intracranial hemorrhage, edema, mass effect, midline shift or hydrocephalus. Cortical sulci, ventricular system, CSF cisterns remain within normal. Very subtle small vessel disease is suspected.Follow-up with an MRI is recommended.Calvarium, visualized orbits, mastoid air cells and middle air cavities are unremarkable.Paranasal sinuses are unremarkable with the exception of minimal sphenoid sinusitis.
No evidence of acute intracranial findings.