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5 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Why is I-131 known as the "magic bullet"?
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it gets taken up by thyroid and since I-131 is a beta emitter it effectively destroys tissue
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How do you calculate the dose of I-131 for a patient with Grave's disease?
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Dose (uCi) = 80 uCi X weight of gland (g)/24 hr thyroid uptake (fraction)
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Why is I-131 so effective against thyroid cancer?
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Thyroid cancer are well differentiated and readily take up the iodine
what is a normal ablative dose? |
100-150 mCi
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Question: What is the usual allowable limit to members of the public as specified by the NRC in
CFR Part 20? |
.5 rem
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What is used as a pallative treatment for cancer patients?
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Sr89 chloride average dose 4 mCi, 3-6 month treatment
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