Melanomas tend to be asymmetric, irregular-bordered, dark black (or multi-colored), large, and growing.
A Asymmetric shape B Border, irregular C Colors, multiple or dark black D Diameter, 7 mm. or greater E Evolving
*Any lesion with 2 or more should be removed [JAAD 2015;72;717].
Round or oval shape is a good sign. Asymmetry in shape (or color) is a worrisome sign.
A smooth border is a good sign. An irregular, notched border is a worrisome sign.
Uniform coloration is a good sign. A very dark black or a multi-colored mole is a worrisome sign.
A small lesion is a good sign. Diameter 7 mm or greater is a worrisome sign.
Any mole that has been stable for years and then suddenly changes should be considered for biopsy. In the second photo, the dark growth was new (and turned out to be a melanoma).
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