光动力疗法是一种使用光敏剂并照射特定光源,产生一系列光化学毒性效应,造成相应组织不可逆的损伤,甚至坏死,从而达到清除病灶的一种治疗方法。该法具有特异性强、无创、愈合不遗留瘢痕等特点,对某些皮肤肿瘤具有很好的疗效和美容效果,是治疗某些皮肤肿瘤的一种新选择。 Photodynamic therapy is a use of photosensitizers and irradiation of a specific light source, resulting in a series of photochemical toxic effects, resulting in the irreversible damage to the tissue, and even necrosis, so as to achieve a clear treatment of lesions. The method has the characteristics of strong specificity, noninvasive, healing without scar and so on. It has good curative effect and cosmetic effect on certain skin tumors and is a new choice for the treatment of certain skin tumors.