What is extramammary Paget disease of the vulva? Extramammary Paget disease of the vulva is a non-invasive type of vulvar cancer. The tumour starts from cells found in the skin on the surface of the vulva. It is important to distinguish this condition from secondary Paget disease which is the spread of tumour cells from …
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Actinic keratosis (AK) is a pre-cancerous skin disease. It is considered a pre-cancerous disease because, for some patients, the disease will change over time into a type of skin cancer called squamous cell carcinoma. It is made up of abnormal keratinocytes in a layer of the skin called the epidermis. What causes actinic keratosis? Actinic …
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Basal cell carcinoma (BCC) is the most common type of skin cancer. It starts from basal cells normally found near the bottom of the epidermis, a thin layer of tissue on the surface of the skin. Most tumours occur in older adults on sun-exposed skin. This article will help you understand your diagnosis and pathology …
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What is a congenital nevus? A congenital nevus is a common non-cancerous type of skin tumour made up of melanocytes. Congenital nevi (nevi is the plural of nevus) are more common in people with light-coloured skin. They can be found anywhere on the body, but the most common locations are the trunk and limbs. The …
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What is lentigo maligna? Lentigo maligna is a non-invasive type of skin cancer made up of specialized cells called melanocytes. Another name for lentigo maligna is melanoma in situ. If left untreated, lentigo maligna can turn into an invasive type of skin cancer called lentigo maligna melanoma. Where does lentigo maligna start? Lentigo maligna starts …
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What is melanoma? Melanoma is a type of cancer made of specialized cells called melanocytes. Melanocytes are common in the skin although they can also be found in other parts of the body. Melanocytes produce a chemical called melanin which gives the skin its colour. People with darker skin have more melanin compared to people …
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