Misc Flashcards
Normal WBC levels
3 900-10 800/mm^3
Normal RBC levels
3.9-5.4 million/mm^3
Normal platelets level
150 000-424 000/mm^3
WBC levels at which pt cannot be treated
2 000/mm^3 or less
Platelets level at which pt cannot be treated
50 000/mm^3 or less
Half life of Radium-226
1600 years
Half life of Cobalt-60
5.26 years
Half life of Cesium-137
30 years
Half life of Iridium-192
74 days
Half life of Iodine-125
60 days
Half life of Palladium-103
17 days
Half life of Gold-198
3 days
TD 5/5 of bladder
60Gy
TD 5/5 of thyroid
45Gy
TD 5/5 of esophagus
60Gy
TD 5/5 of ovary
2-3Gy
TD 5/5 of rectum
60Gy
TD 5/5 of salivary glands
50Gy
TD 5/5 of testis
1Gy
TD 5/5 of brain
50-60Gy
TD 5/5 lens of the eye
5Gy
TD 5/5 of kidney
15-20Gy
TD 5/5 of liver
15-25Gy
TD 5/5 of lung
15Gy
TD 5/5 of stomach
45Gy
TD 5/5 of spinal cord
45Gy
TD 5/5 of small bowel
45Gy
Karnofsky PS 90
Ability to carry on normal activity.
Minor signs or symptoms of disease.
KPS 80
Normal activity with effort.
Some signs and symptoms of disease.
KPS 70
Self-care
Inability to carry on normal activities or do active work
KPS 60
Requires occasional assistance.
Ability to care for most needs.
KPS 50
Requires considerable assistance and frequent medical care.
KPS 40
Disability
Requires special care and assistance.
KPS 30
Hospitalization
Severe disability
Death not imminent
KPS 20
Hospitalization
Extreme sickness
Active support tmt necessary.
KPS 10
Moribund
Rapid progression of fatal processes.
Frequency of RadioFrequency waves in Linac
2856 MHz
Dose limit of NEW
50mSv/yr
150mSv for lens of eye.
500mSv for all other tissues
Dose limits for public
1mSv for continuously exposed.
5mSv for infrequently exposed.
Dose limit for fetus
5mSv total
0.5mSv or less/month
Pixel dimension
0.5*0.5mm
Voxel dimension
0.50.510 mm
Oropharynx vert lvl
C2-3
Epiglottis vert lvl
C3
True vocal cords vert lvl
C4
