Partial biopsies and persistent nevi: Communicate clearly and proceed with caution

To the Editor: We read the article by Hiscox et al1 with great interest. The authors identified 147 nevi with positive histologic margins and a diagnosis of moderate cytologic atypia (MDN). Only 6 recurred over an average interval of 624 days. The authors concluded that "given the low recurrence in our sample of MDN with nevus cells detectable at histologic margins, it seems appropriate to not re-excise these lesions."

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