melanocyte

Congenital nevus

This article was last reviewed and updated on June 13, 2019 by Robyn Ndikumana MD BScN and Allison Osmond, MD FRCPC Quick facts: A congenital nevus is a non-cancerous type of tumour that develops in the skin at or near birth. Another name for congenital nevus is mole. A congenital nevus is made up of …
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Lentigo maligna

This article was last reviewed and updated on June 13, 2019 by Robyn Ndikumana MD BScN and Allison Osmond, MD FRCPC Quick facts: Lentigo maligna is an early form of non-invasive skin cancer and a type of melanoma. Unlike other types of melanoma, the cancer cells in lentigo maligna have not spread beyond the surface …
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Melanoma

What is melanoma? Melanoma is a type of cancer made of special cells called melanocytes. Melanocytes are normally present in our skin and they give our skin its colour or pigment. Melanocytes can be injured by overexposure to UV rays from the sun (severe sun burns) which in some people leads to the development of …
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