Skin cancer

Last revised by Henry Atkinson on 7 Jan 2025

Skin cancers refer to malignancies arising from the skin.

This is a general discussion of skin cancers, for discussions of specific skin cancers please refer to individual articles.

Overall, skin cancers are the most common human malignancy 1.

Primary skin malignancy can be classified according to the skin cell the cancer originates from:

Several TNM staging systems have been developed in relation to skin cancer.

Cases and figures

  • Squamous cell carcinoma (lower leg)
  • Basal cell carcinoma (periorbital)
  • Cutaneous squamous cell carcinoma with nodal metastases
  • Basosquamous carcinoma - neck
  • Malignant melanoma of the toe
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