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Acute doses to only part of the body |
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|  DOE-HDBK-1130-98
Module 2 Biological Effects
Instructor's Notes
After an acute dose, damaged cells will be
replaced by new cells and the body will repair
itself, although this may take a number of
months. Only in extreme cases, such as with the
Chernobyl firefighters (500 rem), would the dose
be so high as to make recovery unlikely.
c.
Acute doses to only part of the body
1)
X-ray machines
It is possible that radiation exposure may be
limited to a part of the body, such as the
hands.
There have been accidents, particularly with
X-ray machines, in which individuals have
exposed their fingers to part of the intense
radiation beam. In some of these cases,
individuals have received doses of millions
of mrem to their fingers, and some
individuals have lost their finger or fingers.
It is important for individuals who work with
X-ray or similar equipment to be trained in
the safe use of this equipment.
2)
Radiation therapy
Reference 5.
a)
Radiation therapy patients receive high
doses of radiation in a short period of
time, but generally only to a small
portion of the body (not a whole body
dose).
b)
The skin and limited tissue of these
patients may receive significant doses,
but doses to the region of a tumor are
many times higher.
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