What is CTV?
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Clinical target volume is the clinically suspected extension of the tumor
beyond the gross disease.
What is the similarity between a compensating filter and an IMRT treatment?
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Both are used to shape the initial beam profile
,Bolus material must...
Be equivalent to aluminum in material
Have an electron density close to tissue
Be calibrated for standard air pressure
Be different in effective atomic number depending on the area treated
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Have an electron density close to tissue
How is the wedge profile produced using the dynamic wedge system?
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Electronically generated through motion of independent jaw in treatment
beam
True/False: The thinner the leaf in an MLC, the more accurate the treatment will be at
small volume
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True
The three different methods of brachytherapy treatment include
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, -Interstitial method using seeds, needles, and flexible wires
-Intracavitary method using seeds, or sources in containers
-Intraluminal method using sources in containers; for instance, placed in the
esophagus
What are the characteristics of a good immobilization device?
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-to secure and fully support the patient.
-position patient optimally to minimize normal tissue complications
-usable in CT/ MRI scanners
If the wedge angle is 45 degrees, calculate the hinge angle
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HA = 180 - 2(WA)
HA = 180 - 2(45)
HA = 180 - 90 = 90
Which is used, SSD or SAD, to treat an electron field?
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Source to Skin Distance
, Redistribution
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Stimulates cells to enter mitosis
Discuss some of the reasons why a patient might not be compliant with their radiation
treatment.
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- maintain sense of control
- fatigue due to treatment
- decreased motivation: depression
- severity of side effects toxicity
- ANV: anticipatory nausea vomiting
- anxiety of treatment, side effects
- lack of education about treatment, benefits, - side effects etc.
- communication issues with medical team
- lack of support for treatment from family members
Reoxygenation
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Reduction of hypoxia at core of the tumor
What is a compensator used for? Name some of the materials used.
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Clinical target volume is the clinically suspected extension of the tumor
beyond the gross disease.
What is the similarity between a compensating filter and an IMRT treatment?
Give this one a try later!
Both are used to shape the initial beam profile
,Bolus material must...
Be equivalent to aluminum in material
Have an electron density close to tissue
Be calibrated for standard air pressure
Be different in effective atomic number depending on the area treated
Give this one a try later!
Have an electron density close to tissue
How is the wedge profile produced using the dynamic wedge system?
Give this one a try later!
Electronically generated through motion of independent jaw in treatment
beam
True/False: The thinner the leaf in an MLC, the more accurate the treatment will be at
small volume
Give this one a try later!
True
The three different methods of brachytherapy treatment include
Give this one a try later!
, -Interstitial method using seeds, needles, and flexible wires
-Intracavitary method using seeds, or sources in containers
-Intraluminal method using sources in containers; for instance, placed in the
esophagus
What are the characteristics of a good immobilization device?
Give this one a try later!
-to secure and fully support the patient.
-position patient optimally to minimize normal tissue complications
-usable in CT/ MRI scanners
If the wedge angle is 45 degrees, calculate the hinge angle
Give this one a try later!
HA = 180 - 2(WA)
HA = 180 - 2(45)
HA = 180 - 90 = 90
Which is used, SSD or SAD, to treat an electron field?
Give this one a try later!
Source to Skin Distance
, Redistribution
Give this one a try later!
Stimulates cells to enter mitosis
Discuss some of the reasons why a patient might not be compliant with their radiation
treatment.
Give this one a try later!
- maintain sense of control
- fatigue due to treatment
- decreased motivation: depression
- severity of side effects toxicity
- ANV: anticipatory nausea vomiting
- anxiety of treatment, side effects
- lack of education about treatment, benefits, - side effects etc.
- communication issues with medical team
- lack of support for treatment from family members
Reoxygenation
Give this one a try later!
Reduction of hypoxia at core of the tumor
What is a compensator used for? Name some of the materials used.
