Non Melanoma Skin Cancer Flashcards
What percentage of non melanoma skin cancer is BCC?
80%
Is BCC slow or fast growing?
Slow.
Do BCC’s metastasise?
Very rarely
What percentage of non melanoma cancers does SCC make up?
20%
Are SCC’s invasive?
Yes, they can metastasise
What are the referral guidelines for non melanoma skin cancer?
Consider a 2ww referral for a suspected SCC
Consider routine referral if suspect BCC, only use 2ww if delay will have a significant impact due to size or site.
Is incidence of non melanoma skin cancer increasing or decreasing in the UK?
Increasing
How many deaths a year does non melanoma skin cancer cause?
Less than 400 in the UK
What is the mean age of diagnosis of non melanoma skin cancer?
60 years
What are some risk factors for non melanoma skin cancer?
Previous cutaneous injury
Elderly male
Previous skin cancer
Actinic keratoses
Outdoor occupation
Smoking
Exposure to radiation, immunosuppression
Episodic high intensity UV exposure in early life (BCC)
High intensity UV exposure over a lifetime (SCC)
Fair skinned, light eye colour and tendency to sunburn
What is the classical appearance of a BCC?
Central depression or ulceration with rolled edges
Telangiectasia in the centre
Shiny or pearly nodule with a smooth surface
What is the characteristic features of an SCC?
Grows over weeks to months May ulcerate Is tender or painful Located on sun exposed sites Looks like a keratinous plug or horn sometimes Ulcer that wont go away
What are the treatment options for SCC?
Shave, curetage, electrocautery
Topical options- retinoids, diclofenac, 5FU, imiquinod
Cryotherapy for v low risk tumours
Mohs micrographic surgery for large facial lesions
Radiotherapy for inoperable tumour
If mets can use experimental chemotherapy and radiotherapy
What are the options for treatment of BCC?
Phototherapy Cryotherapy Fluorouracil cream Radiotherapy Mohs micrographic surgery Superficial skin surgery
