TABLE ]
Thyroid Lesions in Marshallese, April 1976
Group
Rongelap exposed
(175 rads)
Ailingnae exposed
(69 rads)
Age at
exposure
Est. thyroid
dose,
rads
to Subjects” with]
thyroid lesions]
810-1150
335-810
89.5 (17/19)
25.0 (3/12)
15
l
5.3 (1/19)
All
556°
35.9 (23/64)
19
&.7 (3/64)
< 10
275-450
< 10
10-18°
> 18
10-18
> 18
All
In utero exposed
Utirik exposed
(14 rads)
335
190
135
217
9.1 (3/33)4
33.3 (2/6)
0.0 (0/1)
~ 36.3 (4/11)
33.3 (6/18)
175+?
69+?
< 10
10-18
> 18
All
Rongelap unexposed
< 10
10-18
> 18
All
Likiep unexposed
< 10
33.3 (1/3)
0.0 (0/1)
60-95.
27-60
1.7 (1/58)
9.5 (2/2%)
| 27
-
if
1
0
1.7 (1/58)
4.8 (1 21).
6.4 (10/157)
4
1.3 (2/157)
0.0-(0/72)
15.4 (2/15)
7.4 (9/122)
5.3 (11/209)
0
1
2
3
0.0 (0/31)
0
3.6 (5/137)
0
3
4.7 (5/106)
< 10
> 10
3.4 (3/88)
5.7 (4/70)
0
0
1.6 (3/191)
0
< 10
> 10
All
6.1 (2/33)
0
3
4
> 10
All
All unexposed
3
% Subjects? witt
malignant lesior
L
1
9.0 (7/78)
50¢
All
Wotje unexposed
No. subjects}
with surgery|
4.4 (7/158)
6.4 (20/313)
4.6 (23/504)
0
0
0
0
4 Dose from 131, 132, 133, and 1335 plus gamma; mean dose extrapolated from calculations~°
for adults and 3-year olds (see Section II).
rh
0
ma
A
Based on number of people ex posed, 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,
Weighted mean dose.
Pathologists differed as to whether this lesion was malignant; it was scored as benign.