Non-melanoma skin cancers and benign skin tumours

Question 1

4 features of BCC

Answer 1

Rolled edges
Pearly border
Telangectasia
Ulceration

Question 2

What is the most common type of skin cancer?

Answer 2

BCC

Question 3

What is the most common subtype of BCC?

Answer 3

Nodular BCC

Question 4

Where on the body does nodular BCC present?

Answer 4

H+N

Question 5

Appearance nodular BCC

Answer 5

Round papular/nodule w/ rolled edge, pearly appearance + telangectasia
+/- central ‘rodent’ ulcer

Question 6

Where are superficial BCC’s found

Answer 6

Trunk + face

Question 7

What are superficial BCC’s mistaken for?

Answer 7

Psoriasis

Eczema

Question 8

Appearance superficial BCC

Answer 8

Slightly ulcerated red patch, central fibrosis + ill-defined border

Question 9

What can a morphoeic BCC resemble?

Answer 9

Scar tissue

Question 10

Mx morphoeic BCC

Answer 10

Mohs

Question 11

What can a pigmented BCC resemble?

Answer 11

Melanoma

Question 12

Who do you not treat for BCC’s?

Answer 12

Elderly w/ multiple co-morbidities

Question 13

Excision size BCC

Answer 13

4mm

Question 14

when use Mohs for BCC Tx

Answer 14

High risk sites e.g. around eyes

Question 15

Cure rate 5y Mohs for BCC

Answer 15

99%

Question 16

When can cryo be used in BCC Tx?

Answer 16

Low risk tumours

Question 17

When can C+C be used in BCC Tx?

Answer 17

Small ,well defined 1’ BCC

Question 18

What is the 2nd most common type of skin cancer?

Answer 18

SCC

Question 19

RF BCC (5)

Answer 19

XS UV
Fair skinned
Immunosuppressed 
Rare inherited syndromes --> Ca at young age
Sites chronic inflamm/scars/wounds

Question 20

RF SCC (9)

Answer 20

Sun exposed areas
Fair skin
Sun bed 
Arsenic exposure 
Smoking 
Immunosuppression 
AK/Bowens
IR
Old scars/chronic leg ulcers 
Smoking

Question 21

PS SCC

Answer 21

Firm, indurated papule/nondule
OR
Non-healing lump = sore, painful, oozes,, scaly

Question 22

5 y survival SCC

Answer 22

75-90%