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asymmetry, border, color, diameter (a mnemonic to aid health care providers in the recognition of malignant melanoma). Pigmented lesions on the skin with irregularities of growth and color and diameters greater than 6 mm have a considerable likelihood of being melanomas and should be professionally examined. Additional characteristics of melanomas include the sudden change of an existing mole or sudden appearance of pigmented moles. In some cases an existing mole that was flat elevates above the skin. The letter E is used as a mnemonic for this expansion or evolution of skin lesions (thus the mnemonic is sometimes referred to as ABCDE).


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Venes, Donald, editor. "ABCD." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/761700/all/ABCD.
ABCD. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761700/all/ABCD. Accessed June 18, 2019.
ABCD. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761700/all/ABCD
ABCD [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 June 18]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761700/all/ABCD.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - ABCD ID - 761700 ED - Venes,Donald, BT - Taber's Medical Dictionary UR - https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761700/all/ABCD PB - F.A. Davis Company ET - 23 DB - Taber's Online DP - Unbound Medicine ER -