Objective To investigate the combination of long pulsed 1064nm laser and Er-laser dermabrasion on treatment of atrophic acne scars.

• 寻常性痤疮是一种常见的毛囊皮脂腺结构的慢性炎症性疾患，表现为粉刺、丘疹、脓疱、结节、囊肿等。