thyroid Flashcards
1
Q
describe TSH levels
A
- thyroid simulating hormone
- usually normal or high with thyroid cancer
2
Q
how do you evaluate thyroid nodules?
A
fine needle aspiration
3
Q
what is a treatment for thyroid cancer
A
surgery
radioactive iodine
4
Q
why can radioactive iodine be used to treat cancer?
A
thyroid absorbs almost all the iodine in the body (TSH must be high as this is what makes cancer cells take up iodine)
5
Q
131 I half-life
A
8 days, emits gamma and beta particles
6
Q
what is typical RAI dose?
A
200 mCi
7
Q
is there EBRT or chemo following RAI?
A
no
8
Q
what is radiomics
A
characteristics of a tumor are used to predict an outcome
