Upgrade to remove ads
Only $35.99/year

Dose/Fractionation

Terms in this set (54)

45/15
skin cancer < 2cm, orthovoltage
60/30
skin cancer > 2cm, orthovoltage
Lower RBE
If a skin cancer is treated with electrons rather than orthovoltage, 10% is added to daily and total dose to account for what?
0.5-2cm
48/16
What is the size indication for RT of an eyelid skin cancer? What dose/fraction?
48/16
skin cancer of lip
45/15
skin cancer of nose
merkel cell carcinoma
rare deadly neuroendocrine malignancy of skin
50/25
merkel cell carcinoma N0, - margins
60/30
merkel cell carcinoma, + margins
24
dose limitation to spinal cord over 4 fractions
24
dose limitation to small bowel over 4 fractions
50
dose limitation whole brain w ebrt 2gy/f
60
dose limitation partial brain w ebrt 2gy/f
54
dose limitation brainstem w ebrt 2g/f
45
dose limitation spinal cord w ebrt 2g/f
54
dose limitation chiasm w ebrt 2g/f
45
dose limitation retina w ebrt 2g/f
10
dose limitation lens w ebrt 2g/f
30
dose limitation inner ear w ebrt 2g/f
30
dose limitation lacrimal gland transient w ebrt 2g/f
60
dose limitation lacrimal gland permanent w ebrt 2g/f
12
SRS max point dose brainstem
8
SRS max point dose optic nerve/chiasm
12
SRS max point dose visual pathway
46/23 + boost to 60
malignant glioma
54/30
low grade glioma
60/30
brainstem glioma
50/25
Optic glioma, RT is reserved for chemofailures, what is dose?
36/18 + boost to 45
CNS lymphoma
60/30
ependymoma brain
45/30
ependymoma spine
NF2
Increased incidence of ependymoma
5
35
Age peak of ependymoma
lateral ventricle
choroid plexus tumor location in children
4th ventricle
choroid plexus tumor location in adults
36/20 + boost to 54
choroid plexus papilloma
54/30
choroid plexus carcinoma
54/30
benign meningioma ebrt
60/30
malignant meningioma ebrt
12
acoustic neuroma SRS
54/30
acoustic neuroma ebrt
54/30
RT is indicated w craniopharyngioma if STR is the surgical outcome, what is the dose?
45/25
RT is indicated w pituitary tumor when it is inoperable or str is the surgical outcome. Also, TSH secreting tumors get post RT b/c aggressive. What is ebrt dose for nonfunctioning tumor?
54/30
RT is indicated w pituitary tumor when it is inoperable or str is the surgical outcome. Also, TSH secreting tumors get post RT b/c aggressive. What is ebrt dose for functioning tumor?
20
RT is indicated w pituitary tumor when it is inoperable or str is the surgical outcome. Also, TSH secreting tumors get post RT b/c aggressive. What is srs dose for nonfunctioning tumor?
30
RT is indicated w pituitary tumor when it is inoperable or str is the surgical outcome. Also, TSH secreting tumors get post RT b/c aggressive. What is srs dose for functioning tumor?
39
54
pineoblastoma - craniospinal dose? boost dose?
50
Pineocytoma, RT is indicated when STR is surgical outcome. What is dose?
30
36
50
Pineal germinoma, RT is standard, what is the ventricular dose? craniospinal irradiation dose? boost?
36
54
Pineal nongerminomatous germ cell tumor, gets platinum based chemo. What is craniospinal irradiation dose? What is boost?
23.4
54
Standard risk medulloblastoma (age>3y, M0, residual<1.5cm^2. Craniospinal dose? Boost?
39
54
High risk medulloblastoma (age<3y, M+, residual>1.5cm^2). Craniospinal dose? Boost?
21
AVM obliteration takes several years. What is SRS dose?
80
1 month
Trigeminal Neuralgia SRS dose? Time to pain relief?
Other sets by this creator