How to identify atypical melanomas

The ABCD rule has been extended

The ABCD rule for the diagnosis of early malignant melanoma is set to be extended, with experts recommending the addition of EFG (elevated, firm and growing) to the criteria.


New Cancer Council Australia guidelines for the management of cutaneous melanoma now include a chapter dedicated to atypical presentations.

That’s because thick, life-threatening melanomas often don’t conform to the usual ABCD (asymmetry, border irregularity, colour variegation, diameter of more than 6mm) criteria, say the authors, adding that they can be “symmetrical, dome shaped and skin