Benign lesions Flashcards
1
Q
What is a junctional naevus?
A
Melanocytes proliferate and form clusters of cells at the dermo-epidermal junction
2
Q
What is a compound naevus?
A
Junctional clusters and groups of cells in dermis
3
Q
What is intradermal naevus?
A
All junctional activity has ceased and is entirely dermal
4
Q
What is a halo naevus?
A
An area of pigmentation surrounded by a ‘halo’ of depigmented skin
5
Q
What is a dermatofibroma?
A
A proliferation of fibroblasts induced by reaction to insect bite/minor trauma
6
Q
What is seborrhoeic keratosis?
A
Benign epidermal tumours
Also called basal cell papillomas
7
Q
What is a keratoacanthoma?
A
Benign spontaneously resolving skin lesions
Should be treated as SCC