When skin lesions don't follow the rules, dig deeper

A lesion that breaks the pattern clinically is more likely to be abnormal dermatoscopically

Most skin lesions encountered by experienced dermatoscopists can be effortlessly recognised as falling into one of five benign categories: naevus; benign keratinocytic (for example, seborrhoeic keratosis); haemangioma; dermatofibroma; and sebaceous gland hyperplasia.

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