Photodynamic Therapy
by Photo Researchers
Title
Photodynamic Therapy
Artist
Photo Researchers
Medium
Photograph - Photograph
Description
Photodynamic therapy (PDT) is a procedure used to treat cancer. Patients are injected with a photosensitizer, a light-sensitive drug selectively retained by cancer cells. When exposed to laser light, the photosensitizer produces a toxic reaction which destroys the tumor. In this photo, doctors use fiber-optic probes to expose the cancer to laser light. This activates the photosensitizer and produces a toxic reaction that destroys the tumor without irreparably damaging the surrounding normal cells.
Uploaded
March 6th, 2013
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