tk
Table 7.
Chromosome Aberrations
:
f Chromatid
| No, o
A berra- Ancuploid, Acentric
Age: Cells
Dicentrics
‘Examined
tions**
Cells
Fragments |
5
Case
.
.
Centrol? 2853
2,300
Rings
5
;
' Cells with
Total
Chromosome Chromosome
Others
a4
| Abnor
itiesmal-; Abnor
itiesial-
o
9
conn)
ots)
(02.3)
9
0
0
(10230)
5.5
39
200
40
3.5
15
0.5
0
|
05
6.0
T--8
37
100
2.0
2.0
0
0
0
!
2.0
4.0
6.0
)
0
|
05
1
K
4
K- 2
K--5
K- 6
K 9
K-10
32
200
4.0
35
200
45
45
36 /
32
35
200
200
200
20
9.0
3.0
4.5
35
200
33)
20
K-11
33
200
K-12
29
200
K
Ko
13 28
i630
Total
b
200
200
2.5u0
3.0
3.5
25
0.5
0
0
0.5
3.5
3.0
4.5
0.5
0.5
0
0.5
0.5
0.5
2.0
1.0
3.5
4.5
3.0
0.5
1.0
20
5.5
19
20
03
0.5
3.9
3.3
0.5
0
0
0.5
0
0
0
0
OS
4.0
|
15
6.5
20
1.5
20
6.5
5.5
7.0
0
0
0
0
|
'
0
0
1.0
0
oO
0.3
0
2.0
1.0
0.5
2%
dont
T- 3
K-
i
4.0
4.0
6.5
6.5
6.5
4.5
5.0
5.0
6.0
6.5
5.5
7.0
3.5
+
1.0
15
3
3.5
3.0
°
IB
4
5.3
3.5
3.5
5.0
|
5.1
* Consisting of eleven healthy male.
** Not being included in *' Total chromosome abnormalities” and ** Cells with chromosome abnormalities ”.
rate and
H.
Internal Exposure
Gs
1)
Whole Body Counting
Gammaspectrometric analyses by whole
body counting on the 13 exposed people
indicated no significant increase of '’’Cs. No
difference was recognized between the curves
from the exposed persons and those from
the controls.
2) Radiochemical Analyses of Urine
"Cs analyses were carried out on 2+ hour
urine samples from |0 exposed people and
i+ normal persons. The '’Cs content of
112 pCi, 24 hrs.
Considering the results of whole body
counting and urine analyses, '’’Cs content of
the exposed people is not different from that
of the present normal Japanese.
b. *°Sr+Y
*°Sr analyses were done on the pooled urine
samples collected from 3-5 exposed persons.
As the control, 3 normal samples were analys-
ed.
No significant increase was found on
the samples from the exposed persons.
Summary
Medical examinations were carried out from
middle of January to middle of May 1964 on 18
persons expused to fall-out in the middle Pacific
po
arn
4
‘"'T uptake, PBI conversion
Triosorb tests were added. No abnormal
result was obtained.
mr mC
respectively. As Case K-2 was suspected of a slight enlargement of thyroid,
ye
Cases T-8, K-2 and K-12 were measured. Data were +966, —2%6, and —2%4,
aRSiehgh
BAR:
urines from the exposed people was distributed between 23.340.6 and 129.6+2.3 pCi/2+
hrs. and the mean '’Cs contents were 79
pCi/24 hrs. urine. On the other hand, the
'’Cs content from normal urine samples was
distributed between 37.841.7 and 191.1+2.6
pCi;24 hrs. and the mean '’’Cs contents were
ae
No abnormal value
Soa
Luke’s Hospital).
was obtained.
ha, aan |
** 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.