RADIATION BURNS
Injury caused by exposure to ionizing radiation may be limited to
the skin but often is deep.Because these wounds do not heal well, care must be taken to avoid additional damage of the tissue.
The vasculitis that is associated with these injuries is usually a lifelong problem.
2.1 PATHOLOGY
The area subjected to heat shows cellular swelling,
disintegrative necrosis or coagulative necrosis depending upon
the degree of heat it has been subjected to.
- The application of heat to the body tissues results in
denaturing of proteins.
- It also results in inactivation of enzyme systems.
- It has been shown that oxygen consumption of skin is decreased.
- There is also decrease in glucose utilization.
- These process are depressed in direct proportion to the
increase in heat.
The maximum injury would be inflicted at the point of contact
(Fig.Above) and varying grades of injury would be inflicted towards
the periphery of this point of contact.
This gradation effect would also be observable from the surface
of the skin to its depth.
The depth of burns is also related to the temperature of the heated object and the period for which it remains in contact with the skin(deeper burns will occur in unconcious patients
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