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Wales Online
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Ketsuda Phoutinane & Elaine Blackburne

Doctor explains 'red flag' skin cancer signs to watch for on moles

A leading doctor is urging people to learn the symptoms of skin cancer and take action if they spot any of them. Dr Charlotte Proby, professor of dermatology at Ninewells Hospital & Medical School in Dundee says many people do not know what to look out for to know when they need to seek medical help.

She says it is vital that young people don't put off a visit to the GP if they have any concerns. She is now advising on what "red flags" to look out for which could be the sign of a potential melanoma - the most serious form of skin cancer.

She said: "We're concerned that symptom awareness is so low and that young people are often reluctant to seek medical help if they notice signs of potential melanoma on their skin. Red flags that indicate early melanoma include change in size, shape or colour of a new or a previously existing 'mole', especially if this change occurs fairly fast over weeks or just a few months.

"Early diagnosis is key to the survival chances of people with melanoma. If it can be caught before it spreads then patient outcomes are vastly improved."

According to Melanoma Focus the most common specific location for melanoma skin cancer in women is the legs. In males, it is most likely to occur on the back, reports the Daily Record.

There are around 2,300 melanoma skin cancer deaths in the UK every year - more than six every day - and the number of cases is expected to rise.

William Munro from Aberdeen was diagnosed with melanoma skin cancer in 2015. He said: "It's so important that people learn the signs of melanoma.

"I had no idea how serious it was and I ignored a changing mole for a long time before I went to see my doctor. I wasn't in pain and felt fine so I didn't treat it as a priority.

"By the time I was diagnosed, it had spread to my lymph nodes and my treatment was a lot more complicated and serious than it could have been. I ended up needing major surgery, a very difficult course of immunotherapy and I now need to take regular medication and carry it with me at all times because of its impact.

"However, it's better than risking having melanoma spreading, but it's been a very difficult journey." He urged: "Don't delay seeking medical advice if you notice symptoms, it could save your life."

Susanna Daniels, CEO of Melanoma Focus said: "Melanoma is the most serious form of skin cancer. However, if detected early, most cases can be cured by surgical removal. Usually, the earlier this is done, the better the long-term outlook is likely to be."

Melanoma Focus advises using the ABCDE checklist when looking at your skin. The charity recommends making an appointment to see your GP if any of your moles or lesions show the following:

  • Asymmetry: two halves differ in shape
  • Border: edges irregular or jagged
  • Colour: uneven/patchy; shades of black, white, grey, brown or pink; two or more colours = suspicious
  • Diameter: for most melanomas, at least 6mm
  • Evolving: changing in size, shape or colour
  • Funny: if it looks odd, or you aren't happy about it for any reason
The first sign of a melanoma is often a new mole or a change in the appearance of an existing mole. (Getty)

While checklists are relevant for the most common form of melanoma, they are not completely reliable as melanoma can vary and may not show these features. Here are key signs to look out for:

  • Changed – it is new or seems to have changed since you last saw it (don't look for detail; you can see it has changed just by glancing at the lesion, that's enough)

  • Not going away – once a new lesion has appeared, it remains on the skin for longer than six to eight weeks

  • Odd (the most crucial test) – it simply looks strange, worries you or seems to be different from other lesions on your skin, then you should get it looked at by a doctor, who may refer you to a specialist – usually a dermatologist.

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