Photodynamic Therapy

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Title: Photodynamic Therapy
Description: Close up of surgeons' hands in an operating room with a "beam of light" traveling along fiber optics for photodynamic therapy. Its source is a laser beam which is split at two different stages to create the proper "therapeutic wavelength". A patient would be given a photo sensitive drug (photofrin) containing cancer killing substances which are absorbed by cancer cells. During the surgery, the light beam is positioned at the tumor site, which then activates the drug that kills the cancer cells, thus photodynamic therapy (PDT).
Topics/Categories: Treatment -- Other Interventions
Type: Color, Photo (JPEG format)
Source: National Cancer Institute
Creator: John Crawford (Photographer)
AV Number: AV-8804-4361
Date Created: April 1988
Date Added: January 1, 2001
Reuse Restrictions: None - This image is in the public domain and can be freely reused. Please credit the source and, where possible, the creator listed above.