? Photodynamic Therapy (PDT) – Light-Activated Healing
Photodynamic Therapy (PDT) is a non-invasive treatment that uses a combination of light-sensitive drugs (photosensitizers) and a specific light source to destroy abnormal or diseased cells—commonly used in cancer, skin disorders, and age-related macular degeneration (AMD).
? How It Works:
Photosensitizer Administration – Drug is applied to the skin or injected.
Incubation Period – Drug accumulates in target cells.
Light Activation – A specific wavelength of light activates the drug.
Cell Destruction – Activated drug produces reactive oxygen species that kill abnormal cells.
? Key Applications:
Dermatology: Actinic keratosis, acne, basal cell carcinoma
Oncology: Esophageal, lung, bladder, and cervical cancers
Ophthalmology: Age-related macular degeneration
Dentistry: Periodontal infections and oral cancers
? Benefits:
Minimally invasive
Targeted with minimal damage to healthy tissue
Repeatable with fewer side effects than traditional radiation or chemotherapy
