CHORUS
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iodine 131
- half-life: 8 days
- energy: 364 keV peak
beta emission ==> high thyroid dose (1 rad / uCi !!)
- thyroid uptake (3 uCi)
- used for treatment
- hyperthyroidism (2-30 mCi)
- thyroid Ca (150-200 mCi initially, up to 1Ci total)
- whole-body imaging to F/U thyroid Ca after surgery
Charles E. Kahn, Jr., MD - 3 April 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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