Local (topic) Photodynamic Therapy

The most important sensitizer in dermatology is 5-ALA (5-Aminolaevulinic Acid):

  • It is accumulated specifically in tumor cells
  • Penetration depth only 2 mm
  • It is used in treatment of actinic keratosis, basalioma, severe acne, warts, herpes, ucers (diabetes), psoriasis and newly also in cosmetics  (photoablation for skin regeneration)


Topische photodynamische Therapie von Basalzellkarzinomen:

Image 1: Ulzerierted Basalcellcarzinoma before treatment

pdt 1


Image 2: Result after 3 treatments

pdt 2