Background
- Commonest human cancer (circa 75% of non-melanoma skin cancers)
- Locally invasive cancer of epidermal basaloid cells
- Usually on head & neck (ultraviolet light, fair skin, Hx radiotherapy or immunosuppression)
- Usually > 40yo, M > F
- Easily treated if early but cosmetic ... (refer early)
Clinical
- Painless, non-healing “sore spot”
- Crust - bleed - crust
Classification
- Nodular
- Superficial
- Morphoeic (infiltrative)
- Pigmented
Classic features of nodular BCC
(taken from BMJ article 2012)
- Pearly papule or nodule with central depression or
- Overlying telangiectasia
- Central crusting
- Raised rolled edge
- May enlarge to a dome shaped tumour or ulcerate