Part 1
So, just thinking clinically, fever usually points towards an infectious process. The headache is concerning because it raises the possibility of intracranial infection.
Do you think we need contrast for this study?
Yes
Infection will cause inflammation and a break down in the blood brain barrier. Contrast will, therefore, help us to image infection better.
No
If we see contrast enhancement this can help us to make to diagnosis of infection as there has been a breakdown of the blood brain barrier which can be seen in infection.