SCC Flashcards

1
Q

What is SCC?

A

malignant tumour arising from keratinocytes of the epidermis

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

Give 4 epidemiological facts about SCC’s

A

2nd most common skin cancer
Incidence rising + higher in Caucasians.
20% of non-melanoma skin cancers
M > F

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

List 2 characteristics of SCCs

A

Locally invasive

Potential to metastasise

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

List 6 risk factors for SCC

A

UV light (holidays in sun, outdoor occupations + tanning beds).
Susceptibility to UV light: fair skin, blonde or red hair.
Chemical carcinogens: arsenic + chromium
HPV
Ionising radiation exposure.
Immunodeficiency.

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

What are Actinic keratoses?

A

UV light-induced lesions of the skin with malignant potential
Thickened scaly growth

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

What is Bowen’s disease?

A

Intraepidermal (in situ) SCC
Arises in the outer layers of the epidermis
3% risk of progression to invasive SCC

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

List 3 signs of SCC

A

Non-healing ulcerated lesion with hard, raised edges.
Slow-growing ulcer or reddish skin plaque.
May bleed

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

Give 3 treatment options used for SCC

A

Excisional biopsy
Cryotherapy
Curettage + electrocautery

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