Learning Activity Title
Photodynamic therapy (PDT) has expanded well beyond actinic keratoses, with growing evidence across many dermatologic conditions. This CME activity covers PDT's mechanism of action, photosensitizers, and light sources, then reviews its evidence-based clinical applications, from actinic keratoses and basal cell carcinoma to acne, port wine stains, and rosacea. Build a practical, evidence-based framework for incorporating PDT into dermatologic practice.