Imaging Flashcards
0
Q
Xrays are good for ___
A
skull & vertebrae - good for bones
can’t see CNS tissue
1
Q
What are the different neuroimaging modalities?
A
X-ray, CT, MRI, angiography
2
Q
What is cerebral angiography?
A
place catheter tip in carotid/vertebral artery. Inject iodinated contrast into artery while taking images & carry images out to include venous phase
3
Q
What is subtraction angiography?
A
bone subtracted from image
4
Q
Acute blood is bright.
A
Gets less bright over time
5
Q
With IV contrast enhancement,
A
brain does NOT enhance due to BBB
6
Q
Contrast enhanced CT shows
A
central necrosis - look at slide
well-circumscribed
thick & unjulating
edema present
7
Q
What does the PET/CT show?
A
areas with increased glucose uptake - black blobs
