Term
|
Definition
| Interrupts regular cell growth |
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Term
|
Definition
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Term
|
Definition
Malignant cells are more likely to be damaged
Normal tissue usually recovers quickly
**Only cells in beam path are affected |
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Term
| Direct effects of radiation |
|
Definition
| Cell dies or stops growing |
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Term
|
Definition
curative
Control malignancy for surgery
Treat metastasis to nodes
Prophylactic
Palliative |
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Term
|
Definition
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Term
|
Definition
High energy, very potent radiation
*Can penetrate deeply into body |
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Term
|
Definition
Much less potent.
Doesn't penetrate deeply into body
Ex. UV radiation |
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Term
|
Definition
Teletherapy- outside of body
-given by external beam
**Client is not radioactive |
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Term
| Education re: Teletherapy |
|
Definition
Tx may last several hours
Instruct pt. not to remove skin markings |
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Term
|
Definition
Brachytherapy
Steroetactic radiosurgery |
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Term
|
Definition
By implantation or insertion
*Pt. is considered radioactive
Type of radiation depends on size and location of tumor
May require: hospitalization and general or local anesth |
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Term
| Implant dosing with brachytherapy |
|
Definition
Implant may be high or low dose
*Low dose can take up to 7 days |
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Term
| Stereotactic Radiosurgery |
|
Definition
"Gamma knife"
Non-invasive procedure for the tx of specific lesions |
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Term
| How Stereotactic Radiosurgery works |
|
Definition
Focuses precise radiation beam w/ pinpoint accuracy in brain
Tx can be as short as 45 minutes |
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Term
| Ed re: stereotactic radiosurgery |
|
Definition
A frame holds head w/ channels for irradiation
**Warn ct. for claustrophobia |
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Term
|
Definition
Similar systemic effects of chemo
Permanent hair loss on body
Reduction of sweat glands
Delayed wound healing
Altered taste buds
Fatigue |
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Term
|
Definition
Erythema
Peeling
Skin becomes thinner and smoother
Radiation recall
Scar tissue may develop |
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Term
|
Definition
Always wear a dosimeter film badge
Do not care for pts if pregnant
Never touch radioactive source |
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