PRE-CANCEROUS CONDITIONS

Solar keratoses

Solar keratoses (actinic keratoses) are scaly areas of the skin resulting from excessive cumulative sun exposure i.e. sun exposure during a lifetime.

If left alone, they may progress to a skin cancer called Squamous cell carcinoma (SCC).

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Options of treatment of solar keratoses include:

• Liquid nitrogen

• Aldara cream

• Efudix cream

• Photodynamic therapy.

Bowen's disease

Bowens disease is a squamous cell carcinoma in situ (confined to the epidermis) and progresses to an invasive squamous cell carcinoma in 3-5% of cases. Diagnosis is confirmed on biopsy of the involved area of skin.