Skin: Squamous Cell Carcinoma

Question 1

What are the RF for SCC? (5 things)

Answer 1

1. Sun exposure
2. Immunosuppression
3. Smoking
4. Long-standing leg ulcers
5. Genetic conditions (e.g Xeroderma Pigmentosum)

Question 2

What are the different CF of SCC? (5 things)

Answer 2

1. Rough Red Scaly patch
2. Open sore (w raised border)
3. Brown spot
4. Firm Dome-shaped growth
5. Wart-like growth

Question 3

What are the Mx options for SCC less than 20mm diameter?

Answer 3

Surgical excision w 4mm margins

Question 4

What are the Mx options for SCC MORE than 20mm diameter?

Answer 4

Surgical excision w 6mm margins

Question 5

What are the Mx options for SCC in high risk pt / cosmetically important areas?

Answer 5

Mohs micrographic surgery

Question 6

What things mean the SCC has POOR prognosis? (4 things)

Answer 6

1. Poorly differentiated tumour
2. 20+ mm diameter
3. 4+ mm deep
4. Immunosuppressed