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Skin cancer

Created 1997.

For detailed descriptions of the most common types of skin cancer see:

The majority of skin cancer can be prevented by careful sun protection, including sunscreens, from an early age. Taking nicotinamide (vitamin B3) can reduce the numbers of nonmelanoma skin cancers.

Skin cancers are detected early by regular self skin examination and skin checks by a trained health practitioner. Mole mapping and dermoscopy may be of benefit to those with many or atypical moles.

People who have had a nonmelanoma or keratinocyte skin cancer (BCC or SCC) are at increased risk of further skin cancer, melanoma and internal cancers in the future. This risk is particularly marked in younger people and in people that have any form of immune deficiency or immune suppression.

Other uncommon malignant skin lesions include:

Certain skin diseases, internal illnesses and genetic factors may predispose to skin cancer:

Current treatments for primary skin cancer include:

Treatment for metastatic basal cell carcinoma may include:

Treatment for metastatic melanoma may include:

Internal cancers

The skin may also show signs of internal malignancy and skin metastasis.

Related information

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