Methods the surface layer of the giant naevi, mainly razorgraft, was excised tangentially using electrical dermatome. Then the left naevi was removed by dermabrasion.
方法采用电动取皮机切取刃厚皮片的方法切除巨痣表层皮肤，残留部分采用皮肤磨削法去除。
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Objective To investigate the clinical result grafting razor-thin graft onto the donor site of the split-skin.