Which technique for removing nevi is least scarring?
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A shave biopsy with a razor blade or #15 scalpel is the best approach for a facial nevus, assuming malignancy is not suspected. The resulting scar is usually flat, smaller than the lesion, has no suture lines, and—if shaved in mid or upper dermis —has a low risk of producing a hypertrophic or hypotrophic scar (strength of recommendation: C, expert opinion, committee guidelines).
Journal of Family Practice, 56(9) 2007: 743+.