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Oncology > Radiotherapy > Flashcards

Flashcards in Radiotherapy Deck (27)
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1
Q

Why can non-ionising photons not be used for the treatment of cancer?

A

As they do not cause genetic damage

2
Q

What does Sievert take into account that greys does not?

A

Biological effect in human tissue

3
Q

What is a grey equivalent to?

A

1 J/Kg

4
Q

What does greys not tell you?

A

The type of X ray used

5
Q

What are used for radiation?

A

Xrays
Protons
Heavy ions

6
Q

What has to be done for brachytherapy?

A

An applicator needs to be put in a hole near the tumour

7
Q

Once have had prostate seeds, what needs to be done?

A

No close contact to others for approx. 6 weeks

8
Q

What can heavy ions treat?

A

Any tumour anywhere in the body

9
Q

What is adjuvant therapy?

A

Therapy after surgery

10
Q

What is neoadjuvant therapy?

A

Therapy before the surgery

11
Q

What is every woman having breast conservation surgery offered alongside it?

A

Radiotherapy

12
Q

Which of radiotherapy vs chemotherapy has a higher risk of S/Es?

A

Radiotherapy

13
Q

What needs to be settled before radiotherapy? Why?

A

Bone metastases

As RT would make the symptoms worse

14
Q

Brain metastases prognosis with treatment

A

6 weeks

15
Q

Brain metastases prognosis without treatment

A

3 weeks

16
Q

What is stereotactic radiotherapy for and what is it an alternative to?

A

For up to 5 brain mets with a very aggressive dose

Alternative to surgery

17
Q

Life expectancy of follicular lymphoma

A

10 - 15 years

18
Q

Can follicular lymphoma be cured?

A

No

19
Q

Does follicular lymphoma respond well to systemic treatment?

A

No

20
Q

What type of cancers are very sensitive?

A

Sinus cancers

21
Q

What is mycosis fungoides?

A

A T cell lymphoma

22
Q

What is the main problematic symptom of mycosis fungoides?

A

Majorly itchy

23
Q

How long does treatment take to work of mycosis fungoides?

A

6 - 12 months

24
Q

Most common S/E of chemo

A

N + V

25
Q

Risk factors for the development of S/Es in chemo

A

Anxiety
Age < 50
Concurrent use of opioids
Type of chemo used

26
Q

S/Es of cyclophosphamide

A

Haemorrhagic cystitis
Myelosuppression
Transitional cell carcinoma

27
Q

What is a PET scan used for?

A

Evaluating possible primary and metastatic disease