Pictures of abnormal moles | Cancer Research UK
Cancer Research UK on Google+ Cancer Research UK on Facebook Cancer Research UK on Twitter

Pictures of abnormal moles

Men and women discussing melanoma skin cancer

You can find pictures below of abnormal moles that may be developing into melanoma skin cancer and also pictures of melanomas. The pictures are just a guide and if you are worried about any moles or skin changes it is important to see your doctor to get them checked.

The pictures show


Dark mole

The photo below shows a very dark mole. Darkening is one possible sign that a mole is becoming cancerous and could be a melanoma. This mole is about a centimetre across.

Picture of dark mole


Inflamed mole

The photo below shows a mole that has an area of inflammation around it. The inflamed area is about 7 millimetres at its widest but you can see that the original mole is much smaller than that. Inflammation is another sign that a mole may be developing into a melanoma and needs to be checked out by a doctor.

Picture of inflamed mole


Melanoma with irregular border

The photo below shows the irregular outline of a melanoma. Normal moles are usually much rounder, with smooth borders.

Picture of an irregular mole


Melanoma with irregular shape and colour

Below is a very small melanoma. It is only about 4 or 5 millimetres across. But you can see clearly that it is not the same colour throughout. It also has an irregular shape. Irregular colour and shape are signs that should be checked by a doctor.

Picture of a small mole


Spreading melanoma

The picture below shows clearly a melanoma that is spreading out from a normal mole. If you have a mole that has changed in this way, you should see your doctor as soon as possible.

Picture of a mole spreading

symptom to diagnosis - skin

Rate this page:
Submit rating


Rated 5 out of 5 based on 819 votes
Rate this page
Rate this page for no comments box
Please enter feedback to continue submitting
Send feedback
Question about cancer? Contact our information nurse team

No Error

Updated: 21 October 2015