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Photodynamic Therapy

Photodynamic Therapy (PDT) is used clinically to treat a wide range of medical conditions, including malignant cancers, and is recognised as a treatment strategy which is both minimally invasive and minimally toxic.

Photodynamic Therapy.

While the applicability and potential of PDT has been known for over a hundred years, the development of modern PDT has been a gradual one, involving scientific progress in the fields of photobiology and cancer biology, as well as the development of modern photonic devices, such as lasers and LEDs.

PDT is a simple 3 step treatment process, involving skin preparation, application of ALA cream and exposure to a specific light. ALA cream is an anti-cancer agent. It is absorbed by neoplastic/damaged cells, leading to a selective accumulation of photoactive porphyrines within these cells. When these cells are exposed to the light source in the presence of oxygen, reactive oxygen species are formed, causing cell damage and leading to cell death.

PDT is medicated for treatment of superficial skin cancer and precancerous lesions. It has an excellent effect on:

  • Sun-damaged skin
  • Acne
  • Inflammatory skin conditions as seborrhoeic dermatitis

PDT is a very effective tool for skin photo-rejuvenation.

Side effects include sun sensitivity for 48 hours, redness, swelling and skin peeling for 4 to 5 days. This procedure does not cause scarring or abnormal skin discolouration. After the treatment you must avoid the sun and use a make-up for 48 hours.

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