Photodynamic therapy combined with fire needle for a case of bullous lichen sclerosus.

In this work, we treated a case of stubborn bullous lichen sclerosus with photodynamic therapy(PDT) combined with fire needle. After 3 sessions of PDT ,pretreated with fire needle, most of the patient's skin lesions subsided and symptoms improved significantly. We found that photodynamic therapy is a potential treatment modality for lichen sclerosus with significant efficacy. Combined with fire needle pretreatment, which may not only promote the transdermal absorption of the drug, but also play a synergistic effect.