i]
Table 7.

Chromosome Aberrations

cae | ace Wal (ARIES USISgtPegi Riae | Ouen RetietSina
|

|
|

T-8

399,

37)

K-1
K-2

32
35,

K—-5
K- 6

33)
36!

K-10
K-11

35 |
33

K—+

K-9

35 |

32'

2300
200

WO

20
200

200

2
200

2

200
200

oO:
[6

%%

4.0

20

°

£40
335

,

$5.

25
20

.

90
30
4.5

|

29

200

45°

K-16

30)

200

55

Total

38 |
|

200
2,500

2.0

3.5

20

i

05
o

35 !
35)

05
05

0

30S

70

|
|

20

0.5

3933;

S|

|
|

0

0
0

05

0

0
0

|

0

0
o

0.5
0.3

0

1.0

0.5

a

0

0.5

2.0

70

0

0

0.5
0

i

°

0.5

«450
300°
10
20

|

9

15

30
6.0

45!

!

wus)
0

:

.

.

%

ys'gny Was)

K-12

K-i3

al|

Chromatid:

‘Examined
|
|

Convol* 28~53
T~3

:

|

|
|

ities
25

|

6.0

05
os

|
|

40
63

15

2.0
20

15

20
1

|
|

| aows0)

05

2.0

Cells with

. Total

|

|

5.5

5.3

|

0

0!

O5

|

3500

50

|

los

0

|

15

|

OB

o

|

13

|

40

40
6.5

6.0

70
50

1

|

5.5

65

|

0

_c0~30)

40»

6.5
65

|

ities
9%

§
|

35

53)

|

4.5
6.5
70
5.0

3.5

35

5.0
5.1

* Consisting of eleven healthy male,
** Not being included in ‘* Tutal chromosome abnormalities” and “Cells with chromosome abnormalities ”.

*™ A chromosome or chromosomes being missing from or additional to one or more of the seven chromosome
groups: the distribution in the remaing groups being normal.

Luke’s Hospital).
was obtained.
BA{R:

No abnormal value

urines from the exposed people wasdistributed between 23.3406 and 129.642.3 pCi/24

Cases T-8, K-2 and K-12 were meas-

hrs.

1)

'’Cs contents were 79

ured. Data were +9¢3, ~226, and —29,

pCi;24 hrs. urine.

"Cs content from normal urine samples was
distributed between 537.8+1.7 and 191.142.6

'"E uptake, PBI conversion

pCi/24 hrs. and the mean '’’Cs contents were

rate and

body

counting and urine analyses, ’*’Cs content of

the exposed people is not different from that

'’Cs
Whole Body Counting
Gammaspectrometric

body counting on

On the other hand, the

12 pCi,24 hrs.
Considering the results of whole

Internal Exposure

a.

the mean

respectively. As Case K-2 was suspected of a slight enlargement of thyroid,
Triosorb tests were added. No abnormal
result was obtained.

H.

and

the

analyses by

b.

of the present normal Japanese.
°Sr+7"¥

whole

**Sr analyses were done on the pooled urine

13 exposed people

samples collected from 3-5 exposed persons.

indicated nosignificant increase of '’Cs. No

As the control, 3 normal samples were analys-

difference was recognized between the curves
from the exposed persons and those from

ed.
No significant increase was found on
the samples from the exposed persons.

the controls.

2) Radiochemical Analyses of Urine

'"Cs analyses were carried out on 24-hour
urine samples from 10 exposed people and

I+ normal persons.

The '’Cs content of

Summary

Medical cxaminations were carried out from
middie of January to middle of May 1964 on 18

persons exposed to fall-out in the middle Pacific

Select target paragraph3