Abstract
BackgroundSquamous cell carcinoma (SCC) of the lip removed by surgery may cause lip dysfunction and scar. ALA-PDT (5-Aminolevulinic acid photodynamic therapy) is a minimally invasive treatment for superficial SCC in situ. However, few studies reported the use of topical ALA-PDT to manage lip SCC. MethodsBetween 2015 and 2017, 6 patients with Tis to T2 lip squamous cell carcinoma without evidence of lymph node spread, were treated with topical ALA-PDT at Shanghai Skin Disease Hospital. Clinical responses and side effect were evaluated according to the Response Evaluation Criteria in Solid Tumors (RECIST) at 1 month, 6 months, 12 months and 24 months after ALA-PDT. ResultsAll of the 6 patients achieved complete response (CR) by 2–7 sessions of ALA-PDT. There was no relapse during 24 months follow up for 4 patients. Two out of 6 patients relapsed at 10 months and 20 months post PDT but achieved CR again by 1–3 more sessions of PDT. There was no functional or aesthetic problem. ConclusionTopical 5-Aminolevulinic acid photodynamic could be considered a potential alternative therapeutic option for early-stage lip squamous cell carcinoma without lymph node spread.
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