PHOTODYNAMIC THERAPY FOR RESISTANT FOREHEAD KERATOACANTHOMA

The results of the follow-up of the patient with persistent forehead keratoacanthoma are represented. The patient underwent one course of PDT with intralesional administration of photosensitizer radachlorin at a dose of 0.75 ml/cm2 of tumor. The characteristics of the irradiation were as follows: the laser power density 0.39 W/cm2, the light dose – 300 J/cm2. Two weeks after treatment there was a cosmetically satisfying soft normotrophic scar with no attachment to underlying tissues in the site of the treatment. According to cytological study tumor cells were not detected. For one-year follow-up there was no recurrence.