Prostate Cancer Flashcards

1
Q

What is the function of the prostate?

A

To make seminal fluid, which is stored in seminal vesicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is PSA?

A

It is a protein made by the prostate, found in the blood.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What can raise PSA levels?

A

BPH, cancer, prostatitis, enlargement of the prostate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How likely is a raised PSA to indicate cancer

A

1 in 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What ethnic group are more likely to develop prostate cancer?

A

Afro-Caribbean

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What two mutations may be associated with prostate cancer?

A

pTEN & BRCA-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the most common type of prostate cancer (95%)

A

Adenocarcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What may indicate cancer on DRE?

A

Prostate may be enlarged, hard, craggy, with obliteration of the median sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What test should be requested if mets are suspected?

A

Isotope radionucleotide bone scan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the common pattern of bone mets in prostate cancer?

A

Sclerotic lesions
Axial pattern
Unlikely below knees & elbows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If PSA is elevated, what are the next steps for investigation?

A

PSA elevated
2 week referral to urology
Pre-biopsy MRI
Transrectal USS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does TNM staging indicate?

A

The size & extent of a tumour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How does Gleason grading work?

A

Tumours scored from 2-13 on basis of cell differentiation in the two most dominant areas. Combined score (e.g. 4+3 = gleason 7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When is observation a management option?

A

If asymptomatic & cancer is confined to the prostate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When will radical prostatectomy be considered?

A

In localised disease (T2 or less)

Good option for men age <70

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are two risks of radical surgery?

A

Lasting impotence & incontinence

17
Q

What is the principle behind hormonal therapy for prostate cancer?

A

Inhibition of the growth-stimulatory effect of endogenous androgens

18
Q

How do LHRH (leutinizing hormone-releasing hormone) agonists work?
What is a risk?

A

Interferes with release of gonadotrophins from the pituitary. Reduces levels of testosterone.
Risk of tumour flare

19
Q

How does degarelix work and what is it?

A

Gonadotrophin-releasing hormone antagonist

Leads to castrate levels of testosterone in 3 days with no risk of tumour flare

20
Q

When should brachytherapy be considered and when not?

A

Yes: fit men with no co-morbidities

Avoid in men with large prostates/ significant urinary symptoms

21
Q

What is the mainstay of therapy for metastatic cancer?

A

Androgen deprivation therapy (ADT)