This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • exposure to ultraviolet light:
    • usually occurs in fair-skinned, elderly people
    • may develop from pre-existing solar keratosis

  • chronic exposure to industrial carcinogens
    • arsenic, chromium compounds
    • ionising radiation
    • soot (carcinoma of the scrotum in chimney sweeps),
    • also tar, pitch, oils

  • chronic inflammation (Marjolin's ulcer):
    • margins of osteomyelitic sinuses
    • margins of long-standing ulcers
    • lupus vulgaris

  • genetic predisposition:
    • xeroderma pigmentosum
    • albinism

  • premalignant conditions:
    • Bowen's disease
    • leukoplakia
    • erythroplasia of Queyrat

  • immunosuppression e.g. renal transplant patients

Related pages

Create an account to add page annotations

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page