Basal cell carcinoma Flashcards
1
Q
what is the main pathology in BCC?
A
UV exposure leading to a TP53 mutation
2
Q
what are the clinical features of BCC?
A
Nodular: a nodular shape with a pearly appearance. Often has telangiectasia Can have contact bleeding May ulcerate Central depression and shiny
3
Q
where do BCC’s mainly occur?
A
on the head and neck
4
Q
what are he main treatments for BCC?
A
- excision / Mohs surgery
2. superficial: curettage/ imiquidmod cream
5
Q
what are the excision ranges for BCC?
A
Lesions <2cm: 3-5mm
Lesions >2cm/aggressive 1cm
6
Q
what is BCC?
A
a slow growing locally invasive malignant tumour due to epidermal keratinocytes.
7
Q
what are risk factors for BCC?
A
UV exposure history of severe/frequent sunburn Skin type I Male Old age Suppressed immune system Genetics