non-melanoma cancers Flashcards
what is BCC
Slow growing locally invasive malignant tumour of the epidermal keratinocytes
risk factors for BCC
UV exposure hx of frequent and severe sunburn in childhood skin type 1 immunosuppressed previous hx of skin cancer
what are the features of nodular BCC
Commonly on the face
small shiny skin coloured papule with surface telangiectasia and a pearly rolled edge, may have a necrotic centre
features of superficial BCC
Multiple lesions on upper trunk and shoulders
pink or red scaly plaques with irregular border which can bleed or ulcerate
morpheic BCC
Usually mid-facial
skin-coloured and waxy
prone to recur
pigmented BCC
Brown, blue or greyish lesion
may resembled melanoma
treatment of BCC
Surgical excision +/- radiotherapy
high risk BCC
Site: eyes, nose, lips, ears
size: >2cm
immunosuppressed
recurrent/incomplete excision
what is SCC
Locally invasive malignant tumour of the epidermal keratinocytes with potential to mets
what are risk factors for SCC
Excessive sun exposure pre-malignant skin conditions (ak) chronic inflammation (leg ulcers) immunosuppression previous skin cancer
presentation of SCC
Keratotic e.g. scaly and crusty
ill-defined nodule which may ulcerate
Management of SCC
surgical excision +/- radiotherapy
What is actinic keratosis
scaly rough patches which occur on sitesof chronic UV exposure e/g face, hands
management of AK
- avoid sun exposure
- 5-FU cream (efidex)
- cryotherapy
what is Bowen’s disease
intraepidermal SCC, typically on lower legs of elderly women
