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1. Dermatology > SCCs > Flashcards

Flashcards in SCCs Deck (11)
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1
Q

Name three premalignant conditions of SCC?

A

Actinic lentigines
Bowens disease
HPV viral precursor

2
Q

What type of HPV is associated with penile SCC?

A

HPV 16

3
Q

How does actinic lentigines arise?

A

chronically UV exposed skin in white adults

4
Q

What do actinic lentigines look like?

A

epidermal dysplasia with overlying parakeratosis

red or brown spots

5
Q

What does Bowens disease look like?

A

red discolouration, typically on lower leg

6
Q

Which group of people is most likely to get Bowens disease?

A

middle aged and elderly

7
Q

SCCs on which part of the body gives a higher chance of metastasises?

A

lip and scalp

8
Q

Where do SCCs arise from?

A

suprabasal layer
on sun exposed skin
or sites of ulceration, burns of lupus vulgaris

9
Q

What are the characteristic features of SCCs?

A

warty or crusty lump/ulcer
can bleed
can be painful

10
Q

What is a Keratocanthoma?

A

a self resolving form of SCC

11
Q

What are treatment options for SCCs?

A
skin biopsy then:
elliptical excision
punch biopsy 
curettage
shave excision