Basal Cell Carcinoma

Question 1

Features of BCC under a dermascope

Ref AFP (Authour Tomas 2015)

Answer 1

1/vessels: fine, well-demarcated, branching vessels),
2/blue-grey ovoid nests, blue-grey dots
3/ulceration and erosions,
4/concentric structures, spoke-wheel areas,
5/ leaf-like areas, pink-white areas and short
white streaks.

Question 2

Types of BCC

Answer 2

Nodular
- raised pearly white edge with telangectasiae
- Rodent Ulcer
- most common
Superficial
- well defined erythematous scaly plaque
- often misdiagnosed for eczema, psoriasis
Morphoeic
- difficult to dx
- “scar like plaques” - unexplained scar or scar that doesn’t heal
Pigmented

Question 3

Surgical Margin?

Answer 3

2-3mm margin