Dose rate of a patient administered with 10mCi FDG-F18

["LAM HOI CHING, JOHN" <lamhc@HKUSUA.HKU.HK>]

Radsafers,

   I would like to know the dose rate at 1m from a patient administered

with 10mCi FDG-F18. I have specific gamma rate constant calculation for F18

in air which gives about 60uSv/hr in air. But I think that patient body

will have effective absorption and attenuation which may reduce that by

one-half but one-third? However I don't have any real practical data of that.

   Thank you for the responses.









John Lam, Physicist, Eastern Hospital



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