Table 25

Summary of Thyroid Results

Age at

Exposure

Rongelap
In Utero
<10
10-18
>18
All Ages

-

#9

-

Sifo

In Uterc

<16
10-18
>18
All Agea

Utirik |
In Utero
<10
10-18

>18

All Ages
All Exposed

In Utero

<L0
10-18
>18
All Ages

Total

Number

3
19¢€
12
31
65

1

7

Nodules#

No. with

Carcinoma

2
15
3
3
23

0

0
1
l
2
4

0

Expected

Nodulee®?©

0.079
0.50
0.92
2.7
4.2

0.026

Expected

Cancers?»*

0.026
0.17
0.15
0.21
0.56

0.0087

Mean

Mean
Nodule Time

Mean Nodul
Risk, No.

rads

years

years

Adsorbed
Dose,

640
4000
1700
1300
2100

610

it
19

2
4
6

6
0
0

0.18
0.98
1.2

0.061
0.075
0.15

1100
410
670

8
56
19

0
4
4

0
i
2

0.21
1.5
1.4

0.070
0.49
0.24

167

1?

4

1.4

B4

12

82
31
126
251

9

2

21
7?
16
46

!

i)

2
3
3
8

7.5

ll

0.32

2.2
2.3
Il
16

4includes some cases not surgically treated.

bBased on prevalence in unexposed Marshallese.

CIn utero values based on age less than ten prevalence.
dMultiply by 100 to obtain number per 106 person-gray-years,

€Does not include two boys with thyroid atrophy.

0.58

0.10

0.72
0.39
0.87
2.1

at Risk
(Cancer),

23(-)
13(15)
17(22)
17(13)
15(16)

-(-)

per 10
person-rad-

43
15
6.0
0.44
9.2

37
20

130
490
220

-(-)
25(21)
22(22)

3.6
27

280

23(22)

5.9

170

290

1400
790
470
800

22(22)

23(-)

16(18)
20(22)
20(16)
18(19)

1

-

22(-)
-(-)
18{-)
19(-)

~

4.8

21

10
9.6
4.4
8.3

Mean Cancer
Risk, No.

per 10
person-radyears

0.73
1.9
3.4
1.6

-

-

~
0.89
19.

1.3

2.5

-

0.65
5.1
2.2
1.5

Select target paragraph3