Photodynamic therapy for Zoon balanitis.

A recent EJD paper described the successful treatment of Zoon balanitis (ZB) with topical photodynamic therapy (PDT) [1]. We wish to add our personal experience to the literature.Four cases of ZB (mean age 60.0 years, range 52-70) were seen in our clinic between 2009 and 2012. Patients were diagnosed on clinical and histopathological grounds (figures 1A-B), previously untreated and gave their informed consent to off-label treatment with PDT. A galenic gel containing 16% 5-aminolaevulinic acid (5-ALA) [...]