Clinical question: 52-year-old with continued altered mental status, potential right arm paralysis. Signs and symptoms: Altered mental status Nonenhanced head CT:There is no evidence of intracranial hemorrhage, edema mass-effect, midline shift or hydrocephalus.Cortical sulci, ventricular system, CSF cisterns and gray -- white matter differentiation is within normal.Calvarium, visualized paranasal sinuses and mastoid air cells are unremarkable. Considering provided clinical information and prior negative CT from 3 -- 3 -- 2011 recommend further follow-up with an MRI.
Negative nonenhanced CT brain.