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痤疮好发于青少年,是一种累及毛囊皮脂腺的慢性炎症性皮肤病,是毛囊皮脂腺导管异常角化、皮脂分泌增多、痤疮丙酸杆菌过度增生引起的炎症反应及非炎症反应~([1])。因其病程长,易复发,好发于面部影响容貌,给患者的心理和经济带来很大负担,影响患者生活质量。尤其中重度痤疮患者容易出现色素沉着和痤疮瘢痕。5-氨基酮戊酸光动力疗法(5-aminolevulinic acid photodynamic therapy,ALA-PDT)是一种十分有前景的
Acne occurs in adolescents and is a chronic inflammatory dermatosis that affects the sebaceous glands of hair follicles and is characterized by an abnormal keratosis of the pilosebaceous ducts of the hair follicles, increased sebum secretion, and inflammatory and noninflammatory reactions caused by the excessive proliferation of P. acnes ~ ([1] ). Because of its long course, easy to relapse, occurs in the face of facial appearance, to the patient’s psychological and economic burden, affecting the quality of life of patients. In particular, patients with moderate to severe acne prone to pigmentation and acne scars. 5-aminolevulinic acid photodynamic therapy (ALA-PDT) is a very promising