Abstract：
Nevus comedonicus (NC), a rare skin ailment with an aggregation of dilated follicular orifices filled with keratinous material, is difficult to treat. Several drugs have been assessed for the treatment of NC, but with limited success. Surgery requires much experience and the recurrence rate is high. Various types of laser have been tried, with promising outcomes. A 54-year-old male patient with bilateral facial NC was admitted on July 8, 2014. A coin-sized area was first treated successfully with ultrapulse CO2 laser. The remaining lesions were treated during three subsequent sessions at 2-week intervals. There were no complications. There was no recurrence after 2 years. This case suggests that ultrapulse CO2 laser could efficiently alleviate NC. Ultrapulse CO2 laser treatment should be further studied for its application in the treatment of NC.
摘要：
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