Imaging in inflammatory disorders and infection. Flashcards
1
Q
give some examples of molecular imaging
A
PET
MRI
optical imaging
2
Q
what is the difference between radionuclide imaging and radiography?
A
radionuclide - gamma rays (not direct) radiopharmaceutical
radiography - xrays
3
Q
what do gamma rays occur due too?
A
radioactive decay or unstable isotope
4
Q
what two elements do radoopharmaceuticals have?
A
pharmaceutical and radioactive elements
5
Q
what are properties of an ideal isotope??
A
half life similar to length of exam
gamma emittor
available
easily binds to pharmaceutacle component
6
Q
what is SPECT ?
A
single proton emission computed tomography -
gamma camera rotates around area of interest
(usually brain and cardiac )
7
Q
What is PET?
A
positron emission tomography
radio nucleotides that decay by positron
usually PET CT
