Sinusitis is classified as acute or chronic based on the duration of the infection ... examination and include conventional sinus radiographs and CT scans. Magnetic resonance imaging is useful ...

A sinus infection can spread to the brain ... Brain imaging tests, such as CT and MRI scans, along with the use of antimicrobials, have helped improve the outlook for a brain abscess.

I was catching three and four sinus infections a year ... decisions on how much tissue to remove. For the image-guided procedure, a CT scan is taken before surgery, Doucet said.