Methods: 3643 patients of skin lesion with pigment have been treated by ultra-highfrequency skin plastic operation.
方法：应用超高频皮肤整形术对3643例色素性皮肤病变进行治疗。
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Conclusion: This study indicated that ultra-highfrequency skin plastic operation is of good therapeutic effects and less side effects on the skin lesion with pigment.