)
=~ 27
sensitive
to such
intense
«=
localized
radiation.
cc.
C.
Lushbauqh renorted on a lesion that developed as the result
ez residual Pu-239
contained 0.08 uc
from a puncture wound /®,
(0.905 uCi)
of Pu-239,
The particle
Commenting on
tne histological examination of the lesion, the authors
State,
"The autoraagiocraphs showed precise confinement of
alcha-tracks to the area of maximum damage and their
cenetration into
the basal areas of the epidermis, where
ecitnelial changes tvcical of ionizing radiation exposure were
cresent.
The cause ana effect relationship of these findings,
therelore, seemed cbvious.
Although the lesion was minut
canis
ce
a
tb
“litimate
than
9.1 ug of
cnances in humen ctissze.
fag ‘erv intense.
fate of
such a lesion should it
without surgical intervention..."
ct
ul
‘
th
oO
less
je
Ur
mn!)
Oo
0
case,
Their similarity to known
twicearmal cytologic changes, of course, raised
cP
0
a
oO
tJ
oO
a
0
4
I
QQ
3
re]
wv
cr
hk
|a
fu
ti)
u
(a
3
rt
(
4
tb
0
(a
J
one changes in it were severe.
Pu-239
In
produced precancerous
The dose to tne surrounding tissue
There is every reason to believe that a
s~aller quantity ci Pu-239 would have produced similar chances.
TALS orecancerous
Lesion indicates that a single Pu-239
zi
’
a significant
inducing cancer.
!
oO
it
5
b
-
fu
‘O
fu
oO
“
I
fy
5
he
carticle irradiates
Lusnbaucn, C.c.
and J.
(critical)
volume of tissue
The Lushdaugh study was
Langham, Oo.
cit., po.
461-454.