How To Identify Abnormal Moles

Border

The second way to identify abnormal moles is by searching for irregular borders. An individual should check all of the moles on their body monthly for any changes in the shape of their borders. Any moles that display an abnormal or irregular shaped border are a cause to be concerned. An abnormal or irregular border is best defined as one that is not even, has a scalloped shape, is ambiguous, is undefined, has a notched shape, or any other border characteristic that appears odd in comparison to regular moles. It is of particular concern when a mole spills or fails to contain its pigment in the form of a border. The pigment of a mole may surpass where its border should be and spread into the skin that neighbors it. Moles considered normal have a round or oval shape with characteristic sharp and well-defined borders. A normal mole that is not of any concern will also have a border around its perimeter that is fairly uniform without any notches, projections, or indentations. Any mole that does not meet this border criterion or changes to where it no longer meets this criterion should be examined by a dermatologist.

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