26.10 - Nuclear Medicine Flashcards
1
Q
How is ionising radiation used in medicine?
A
For diagnostics and therapy
2
Q
How is the isotope used for diagnostics?
A
The isotope is concentrated inside the organ in question and emissions are detected outside the body
3
Q
For therapy, what are the isotopes designed to do?
A
Kill cancerous tissue
4
Q
What is important in both cases?
A
That minimal damage is done to healthy cells
5
Q
For diagnosis, what is key about the absorption?
A
It must be done without affecting the organs function in any way
6
Q
What is key about the half-life used?
A
Must be long enough for diagnosis to take place, but minimised so that exposure is minimised
