precancer

Bowen's disease

-cell (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. Onset and development often occurs over several months.

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Symptoms — what it feels like

·Hard lump with a scaly top or ulceration.

How it's found

Prevention

·Decreased UV exposure, quitting smoking, sunscreen

Treatment

·Surgical removal, radiotherapy, , immunotherapy

Outlook

·Usually good

More in Skin

Eczema Psoriasis Acne Skin cancer (melanoma)Vitiligo Fungal skin infection Leprosy Scabies Hives (urticaria)Melasma Shingles Cellulitis

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Plain-language summary adapted from Wikipedia. Not medical advice.