
PRE-CANCEROUS CONDITIONS
Scope:
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Solar keratoses (also called Actinic keratoses)
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Bowens disease
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).
Options of treatment of solar keratoses include:
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Aldara cream
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Efudix cream
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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.