ABCD

ABCD

A mnemonic for the features of early melanomas:
A—asymmetry;
B—border irregularity;
C—colour variegation;
D—diameter ≥ 6 mm.

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ABCD(E)

A public awareness clinical instrument used for the early detection of melanoma, which is based on the clinical appearance of 4(5) parameters: Asymmetry, Border irregularity, Colour variation, Diameter over 6 mm, Evolving (enlarging, changing).

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

ABCD

Dermatology A simple mnemonic for the clinical features of early  melanomas, where A refers to asymmetry, B to border irregularity, C to variegation of color, and D to a diameter ≥ 6 mm

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.