How can I tell the difference between a normal mole and a melanoma? What should I look out for?

Hello,

Melanoma is a less common type of skin cancer than the ones mentioned above, but it is more significant because it can spread if not detected in time. The good news is that, when diagnosed early, the outlook is usually very good.

It can appear on an existing mole that changes, or as a new spot.

The ABCDE rule

This is a simple way to remember the warning signs of a mole:

A — Asymmetry: one half does not match the other.

B — Border: irregular, blurred or jagged edges.

C — Colour: multiple colours or shades (brown, black, red, white or bluish) within the same lesion.

D — Diameter: larger than about 6 mm (roughly the size of a pencil eraser), although smaller ones can also be of concern.

E — Evolution: any change in size, shape, colour, texture or symptoms (itching, bleeding).

The 'ugly duckling' sign

In addition to the ABCDE rule, pay attention to any mole that stands out from the rest: if you have many similar moles and one looks different from all the others, it deserves to be assessed.

Signs that should prompt you to seek advice

a mole that changes in size, shape or colour;

a mole that itches, bleeds or becomes rough;

a new spot that appears and grows on an adult's skin;

a mole that looks different from all the others.

What should you do?

If you notice any of these signs, please request an in-person medical assessment. There is no need to be alarmed, but it is important not to delay: having a mole checked in good time is always the best decision.

Check your skin regularly, protect yourself from the sun, and do not hesitate to seek advice about any lesion that concerns you.

Warm regards,

Doctor Florian A. Vallecillo Cabrera