Radiotherapy Flashcards
(27 cards)
Why can non-ionising photons not be used for the treatment of cancer?
As they do not cause genetic damage
What does Sievert take into account that greys does not?
Biological effect in human tissue
What is a grey equivalent to?
1 J/Kg
What does greys not tell you?
The type of X ray used
What are used for radiation?
Xrays
Protons
Heavy ions
What has to be done for brachytherapy?
An applicator needs to be put in a hole near the tumour
Once have had prostate seeds, what needs to be done?
No close contact to others for approx. 6 weeks
What can heavy ions treat?
Any tumour anywhere in the body
What is adjuvant therapy?
Therapy after surgery
What is neoadjuvant therapy?
Therapy before the surgery
What is every woman having breast conservation surgery offered alongside it?
Radiotherapy
Which of radiotherapy vs chemotherapy has a higher risk of S/Es?
Radiotherapy
What needs to be settled before radiotherapy? Why?
Bone metastases
As RT would make the symptoms worse
Brain metastases prognosis with treatment
6 weeks
Brain metastases prognosis without treatment
3 weeks
What is stereotactic radiotherapy for and what is it an alternative to?
For up to 5 brain mets with a very aggressive dose
Alternative to surgery
Life expectancy of follicular lymphoma
10 - 15 years
Can follicular lymphoma be cured?
No
Does follicular lymphoma respond well to systemic treatment?
No
What type of cancers are very sensitive?
Sinus cancers
What is mycosis fungoides?
A T cell lymphoma
What is the main problematic symptom of mycosis fungoides?
Majorly itchy
How long does treatment take to work of mycosis fungoides?
6 - 12 months
Most common S/E of chemo
N + V
