Three high anal fistulas were treated with a carbon dioxide laser beam. The laser vaporizes the tissue and, because of the accurate focus of the apparatus, causes no damage around the path of the beam. This method was used to core out the fistula tract, and resulted in good healing.
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| http://dx.doi.org/10.1016/0002-9610(81)90207-5 | DOI Listing |
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