pigmented nevus造句

Clinical comprehensive evaluation of treatment pigmented nevus by CO_2 laser combined with Q-switching 532nm laser

A small congenital growth on the human skin, usually slightly raised and dark and sometimes hairy, especially a pigmented nevus.

Method: 12 patients had respectively forehead defects due to scar formation after wounded and pigmented nevus and defect after tumor resection were repaired with rotation flaps.