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File:Photodynamic therapy.jpg

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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).

In addition to the implicit public domain status provided as a work of the United

States Government, the en:National Cancer Institute has also explicitly licensed this photo into the public domain: http://visualsonline.cancer.gov/about.cfm
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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The original description page was here. All following user names refer to en.wikipedia.
  • 2006-09-02 22:21 Quintote 900×1350×8 (467965 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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current14:12, 15 November 2007Thumbnail for version as of 14:12, 15 November 2007900 × 1,350 (457 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|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 al

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