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Correspondence
April 2006

ABCD, ABCDE, and ABCCCDEEEEFNU

Arch Dermatol. 2006;142(4):523-533. doi:10.1001/archderm.142.4.528-a

As pointed out by Rigel et al,1 the ABCD (asymmetry, border irregularity, color variegation, and diameter >6 mm) criteria have been useful in promoting early detection of melanoma to the general public over the past 20 years.2 We now need to take the next step, but adding letters is not the best approach.3

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