32
Table 15. Theoretical Projections of Cancer Incidence or
Cancer Mortality Related to
131
I Therapy for
Hyperthyroidism as Related to Age
Lifetime attributable risk of cancer mortality
Age at
Exposure
(year)
Total-body
131
I dose
(rem or rad)
Per 100,000 per 0.1 Gy or Sv
Per mCi Per 15 mCi Males Female Average
0 11.1 167 1099 1770 1435
1 4.6 69.0 1099 1770 1435
5 2.4 36.0 852 1347 1100
10 1.45 21.8 712 1104 908
15 0.9 13.5 603 914 759
20 0.85 12.8 511 762 637
40 0.85 12.8 377 507 442
60 0.85 12.8 319 409 364
a
Using a gross average of dying from a spontaneous cancer of 25%. Data analysis by Dr.
Patrick Zanzonico, Memorial Sloan Kettering Cancer Center (New York, NY).
Appendix
