How Many Types of Melanoma Skin Cancer Do We Have?

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How Many Types of Melanoma Skin Cancer Do We Have?

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Jully Adudu 9 months 1 Answer 153 views Active Member 1

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  1. I will only cover superficial spreading melanoma, the most common type. Other types of melanoma are also summarised below.

    Superficial spreading melanoma

    Superficial spreading melanoma

    Around seven out of 10 (70%) of all melanomas in the UK are superficial spreading melanomas. They’re more common in people with pale skin and freckles, and much less common in darker skinned people.

    They initially tend to grow outwards rather than downwards, so don’t pose a problem. However, if they grow downwards into the deeper layers of skin, they can spread to other parts of the body.

    Therefore, you should see your GP if you have a mole that’s getting bigger, particularly if it has an irregular edge.

    Nodular melanoma

    Nodular melanoma

    Nodular melanomas are a faster-developing type of melanoma that can quickly grow downwards into the deeper layers of skin if not removed.

    Nodular melanomas usually appear as a changing lump on the skin which might be black to red in colour. They often grow on previously normal skin and most commonly occur on the head and neck, chest or back. Bleeding or oozing is a common symptom.

    Lentigo maligna melanoma

    Lentigo maligna melanoma

    Around one in 10 melanomas (10%) are lentigo maligna melanomas. They most commonly affect older people, particularly those who’ve spent a lot of time outdoors. They develop slowly over a number of years and appear in areas that are often exposed to the sun, such as the face.

    To start with, lentigo maligna melanomas are flat and develop sideways in the surface layers of skin. They look like a freckle but they’re usually larger, darker and stand out more than a normal freckle. They can gradually get bigger and may change shape. At a later stage, they may grow downwards into the deeper layers of skin and can form lumps (nodules).

    Acral lentiginous melanoma

    Acral lentiginous melanoma

    Acral lentiginous melanomas are a rare type of melanoma that usually occur on the palms of the hands and soles of the feet. They can also sometimes develop around a nail, most commonly the thumbnail or big toenail.

    Acral lentiginous melanomas are the most common type of melanoma in people with dark skin, but they can occur in people with any skin type.

    Amelanotic melanoma

    Amelanotic melanoma
    Amelanotic melanomas are also rare, accounting for about 5 in 100 melanomas (5%). They usually have little or no colour, but may occasionally be pink or red, or have light brown or grey edges.

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