‘The idea is to offer this to patients before they choose to undergo an operation,’ said London-based plastic surgeon Mr Olivier Amar, the first to offer the test in the UK.

‘This way, we will be able to monitor the wound as it heals. If it looks like a raised keloid scar is developing, there are steps we can take to minimise the problem. Trying to tackle a keloid scar after it has developed is very difficult, and may involve further surgery.’