CT 3 Flashcards
1
Q
what are xenon detectors not suitable for
A
multi-slice scanner
2
Q
what is a solid state detector composed of
A
scintillator with an embedded silicon photodiode
3
Q
what does the scintillator produce in response to x-ray photon exposure
A
light
4
Q
what converts light produced by a scintillator into electric signal
A
the photodiode
5
Q
what is filtered back projection
A
data from 360 and 180 degree projections can be used
6
Q
what is better in IR than FBP
A
contrast resolution is better in Iterative Reconstruction than in FBP
7
Q
what is the artefact associated with FBP and how is it correctef
A
the star pattern artefact and it is corrected by filtering
8
Q
A
