Image:Photodynamic therapy.jpg

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[edit] Summary

Public domain image from cancer.gov http://visualsonline.cancer.gov/details.cfm?imageid=2340. Shown is 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).

[edit] Licensing

This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of 17 U.S.C. § 105. See Copyright. Note: This only applies to works of the Federal Government and not to the work of any individual US state, territory, commonwealth, county, subdivision, or municipality.

In addition to the implicit public domain status provided as a work of the United States Government, the National Cancer Institute has also explicitly licensed this photo into the public domain: http://visualsonline.cancer.gov/about.cfm

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• (del) (cur) 22:21, 2 September 2006 . . Quintote (Talk | contribs) . . 900×1350 (467,965 bytes) (Public domain image from cancer.gov. Shown is 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 p)

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