TTT
NEUTROPHILS
pa’ wheter eta
4
ofttlit si tired ptt te pi tt tpt pt
08 24 40 56 7261234 5 67 8 93 IO TI 12 13 14 15
DAYS
MO
YEARS
-50
from time of exposure through 15 years post exposure.
Stars represent mean values of comparison population.
—
MALES (AGE >10)
_|
PLATELETS x 1074
a
30
bot
5 6
tt
Joi
7 6 39
Wilt 2
YEARS
dt
13:14:15
TIME AFTER EXPOSURE
Figure 40. Mean platelet counts of Rongelap people from
time of exposure through 15 years post exposure. Stars
represent mean counts of unexposed comparison populations.
level. Neutrophil levels continued to show slight
depression in the exposed group, except that in
1969 the smaller Ailingnae group showeda slight
increase. Platelets continued to have the most depressed levels of the peripheral blood elements in
the higher exposure group. Percentage differences
9006299
1
tt
Lott
chromos
14
i2
14
blood ly
Sum:
Pe:
TPT
Pe
Tt
T
T
T
8
oO
TT OF
wm
Thee
Marshal
and late
cussed b
P'
T
6 8
Duri
about ¥
nausea.
T
rp
oe <=
oO
LYMPHOCYTES x 107°
Figure 39. Mean lymphocyte counts of Rongelap people
aypt top
24405672 6 123 4
DAYS
MO
Lt
pep
2.0
4.0
0
ty
2.0
be
4.0
gt
°
NEUTROPHILS x 1073 LYMPHOCYTES x 1073
TIME AFTER EXPOSURE
08
CUMULATIVE %
pi
89 WwW tl l2t31418
YEARS
Gt
i
4
EONgt
td §
Jott
—+ EXPOSED, I5 YEARS POST EXPOSURE
++7--—+* UNEXPOSED
4
fj
1
4
since accident.
Tt
67
4-4
.
Figure 41. Percent difference in blood counts of exposed
population.
4
residual
with con
blood el
nuclear
row exa
dence o
and unexposed Rongelap people over 15-year period
post exposure. Stars represent mean values of comparison
40
PLATELETS
(AVERAGE |
COUNTS}
1
Figure 38. Mean neutrophil and white counts of Ronge-lap people from the time of exposure through 15 years
OTT TTT TTT PTT Ot
populat:
7
2550,6
2
4
6
8
iO
onsMo}ven
TIME AFTER FALLOUT
TIME AFTER EXPOSURE
T
ZWHITE BLOOD
CELLS (AVERAGE
COUNTS}
|
-75-
4
F
Tiprararte
W
.
*
TT
10
L
20
2
30
also exp
PLATELETS x 107*
and a fe
Figure 42. Cumulative percent distribution curves
for blood elements of Rongelap people in 1969.
of the «
between the exposed groups and the comparison
population are shown in Table 20 and Figure 41.
Generally higher counts were noted in the population of Utirik, which had received a very low
dose of radiation, butit is difficult to compare the
blood counts in the Utirik population with those
in the Rongelap unexposed groups becauseof differences in environment and possibly in ethnic
background.
Morphological study of blood cells revealed
the continued presence of atypical lymphocytes,
particularly in the exposed population. These cells
are similar in size to large lymphocytes orslightly
larger, the cytoplasm is more basophilic, and the
nucleus is more lightly stained with no indentation
of the nucleus. Atypical forms were present in
27% of the exposed Rongelap group, 30% of the
children of exposed parents, 12% of the unexposed
population, and 10% of the Utirik population.
The higher incidence in the exposed Rongelap
group could be correlated with radiation exposure,
but the high level in the children of the exposed
2 weeks
and loss
radiatio
the Utir
the peo}
Pitre
a”
A
TT
shih gts
*
TT
CONTROL BASELINE
wn
*
* “4
FT
L
+25
PERCENT DEPRESSION
!
n
LEUKOCYTES AND NEUTROPHILS « 10°
42
peopl
posur:
depre
had p
whole
ation
urine.
active n.
Penetrat
One c
nificant
levels of
blood. T
Rongelz
in the o1
hemopo