Age at
exposure
Rongelap exposed
<10
(175 rads)
Ailingnae exposed
(69 rads)
Est. thyroid
dose® (rads)
810-1150
PO!
% Subjects” with
thyroid lesions
No. subjects
with surgery
89,5 (17/19)
15
$.3 (1/19)
25.0 (3/12)
2
8.3 (1/12)
21
6.3 (4/64)
10-188
335-810
>18
335
All
556°
37.5 (24/64)
<10
275-450
33,3 (2/6)
0.0(0/1)
0
>18
135
36.4 (4/14)
3
All
217°
33.3 (6/18)
175+?
33,3 (1/3)
i
69+7
0.0 (0/1)
0
10-18
In utero exposed
190
6.1 (2/33)
f
All
Utirik exposed
<10
60-95
1.7 (1/58)
I
1.7 (1/58)
(14 rads)
10-18
27-60
14.33/21
2
4.8 (1/21)
>18
30
7.6 (6/79)
5
1.3 (1/79)
All
50°
6.3 (10/158)
g
1.9 (3/158)
All
30-1150
16.8 (41/244)
34
2.9 (7/244)
oc
26
Dose from 133) 132) 139] and plus gamma; mean dose extrapolated from calculations for adults and three-year-olds,
a
Based on number of people exposed, excluding those in utero (number of cases/total number in group).
The thyroid is considered to be fully developed by about age 18.
One additional case of adenoma, found at autopsy, not included here.
&€§
tf
36.0 (31/86)
4
Rong. + Ail.
Rong. + Ail. + Utirik
135-153
12.1 (4/33)4
% Subjects” with
malignantlesion
Weighted mean dose.
Pathologists differed as to whether this lesion was malignant: it was scored as benign.
4.7 (4/86)
‘Te 39 NASUVI]
Group
=
pacelas
TABLE [. THYROID LESIONS IN MARSHALLESE, SEPTEMBER 1977