Th
Age at
Group
Ron,
exposure
< 10
4p exposed
10-18°
(175 rads)
> 18
All
Ailingnae exposed
< 10
thyroid
dose?,
rads
810-1150
335-810
335
275-450
In utero exposed
All
Utirik exposed
Est.
556e
10-18
> 18
All
Rong. + Ail.
>vid Lesions in Marshallese, Ma:
fa Subjects? with
No. subjects
bo Subjects” wit
thyroid lesions
with surgery
malignant lesi
89.5(17/19)
21.2 (7/33)4
2h
6.3
(4/64)
26
4,7
(4/86)
1
1.7
(1/58)
0.0 (0/1)
36.4 (4/11)
33.3 (6/18)
1f
175+?
69+?
33.3 (1/3)
0.0 (0/1)
1
0
14.3 (3/21)
7.6 (6/79)
7.0 (11/158)
Rong. + Ail. + Utirik
All
30-1150
18.4 (45/244)
Rongelap unexposed
< 10
10-18
> 18
All
3.4 (2/58)
0.0
13.3
5.7
4.3
(0/72)
(2/15)
(7/122)
(9/209)
4.4 (4/90)
< 10
10-18
> 18
All
12.5 (2/16)
9.4 (3/32)
6.5 (9/338)
4.8
1.3
1.9
(1/21)
(1/79)
(3/158)
34
2.9
(7/244)
0
2
2
4
0.8
0.5
(1/122)
(1/209)
3
1.1
(1/90)
0
8)
3
< 10
10-18
> 18
All
0.0
0.0
5.6
3.4
(0/43)
(0/17)
(5/89)
(5/149)
0
0
0
0
NYotje unexposed
< 10
10-18
> 18
All
A.9
6.3
5.0
5.1
(4/82)
(1/16)
(3/60)
(8/158)
1
0
0
1
All unexposed
< 10
3.1 (9/287)
4
5.9 (18/303)
2
> 18
All
(2/33)
2
5
8
Likiep unexposed
10-18
6.1
0
3
4
39.5 (34/86)
27-60
30
50&
Utirik unexposed
(1/12)
33.3 (2/6)
60-95
(1/19)
8.3
4
42.2(27/64)
5.3
2
190
135
217¢
135-1150
10-18
> 18
All
15
25.0 (3/12)
< 10
(14 rads)
1.978
7.8 (5/64)
2
4.9 (32/654)
8
0.3 (1/287)
0.3 (1/303)
0.3 (2/654)
calculations
“Dose from 131, 1327, 1337 and 1357 plus gamma; mean dose extrapolated from
adults and 3-year olds.
OB e
‘on number of people
-«posed,
excluding those in utero
(number of cases/total number in
g
“The thyroid is considered to be fully developed by about age 18.
“weighted mean dose.
Jone additional case of adenoma, found at autopsy, not included here.
Lt was scored as benign.
‘Pathologists differed as to whether this lesion was malignant;
rar
9
hi
for