AC
Thyroid Nodules Including Hypothyroidism in the
Marshallese Populations as of March 1968
Persons Exposed
on
Rongelap Island
Age at
Exposure
-,
Ailingnae Island
.
Utirik Island
Whole Body Gamma
Dose (rads)
<10
210
175
175
,.<10
69
10
69
—‘=</10
14
=10
14
Control Marshallese <210
700 - 1400
160
275 -
55 -
550
55.
19
36
6
8
No. and Percent
with Nodules
17 (90%)
2 (5.5%)
0
1 (12.5%)
40
59
0
2 (3.4%)
0
0
0
0
0
3 (2.3%)
133
Estimates of the doses to the thyroids of the Rongelapese were recomputed by R. James and J. Gofman,
UCRL #12273,
December, 1964,
Estimates of the thyroid doses of the Ailingnae and Utirik people
were by proportionality to the respective whole body gamma doses,
0
B
—t/
No. in
Group
110
15
61
>10
*
Estimated Added Thyroid
Dose from I*, (rads)
2
™
on
A
ws