Hybrid Imaging

Question 1

Representation of body functions by

Answer 1

– Images
– Numerical data
– Graphs

Question 2

PMTs cannot be used inside an

Answer 2

MRI scanner

Solution: Semiconductor
photodetectors ->Avalanche Photodiodes (APDs)

Question 3

PET/MR Quantification Challenges

Answer 3

Limited MR FOV:
Correction needed based on PET data

Attenuation in coils: Include coil models in attenuation maps

Question 4

PET/SPECT tracers goes into

MR/CT Contrast agents goes into

Answer 4

Cells

Vascular+ Interstitial
Space

Question 5

PSMA

Answer 5

Prostate-specific membran antigen

cell surface protein with overexpression in
prostate cancer

promising target for prostate cancer specific
imaging and therapy

Question 6

…. is too expensive, not common on the market

Answer 6

PET-MR

Question 7

which is faster? PET/CT or SPECT/CT

Answer 7

PET/CT because spect-ct has collimators

Question 8

how to increase PET/CT sensitivity

Answer 8

overlapping pads