From: Clinical guidelines for the recognition of melanoma of the foot and nail unit
A | Asymmetry. One half of the lesion is not identical to the other. |
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B | Border. A lesion with an irregular, ragged or indistinct border. |
C | Lesion has more than one Colour present within it. |
D | Diameter. The lesion has a diameter of greater than 6 mm. |
E | Evolution. Any change in the lesion in terms of size, shape or colour. |