5-Aminolevulinic acid-based photodynamic therapy used as a long-term management approach for refractory lichen sclerosus.
A 37-year-old man with more than 10 years of genital lichen sclerosus had recurrence after surgical resection, which left permanent anatomical deformity.
Clinical pearl
In this case, recurrence followed discontinuation of ALA-PDT, while lesions regressed after subsequent courses; the reported response therefore occurred with repeated treatment rather than a single course.