Anal Fistulae Pictures Of, A fistula is a tunnel or connection between organs that Anal Fistulotomy. Find out what an anal fistula is, including information about the symptoms, causes and treatments. Find the perfect stock for your project, fast. What is an anal fistula? An anal fistula is an abnormal passageway that develops from inside your anus to the skin outside. Explore the official iStock website for millions of exclusive, royalty-free, stock files. An anal fistula can be described as a narrow tunnel with its internal opening in the anal canal and its external opening in the skin near the anus. [StatPearls. Photographs of the anal fistula before, during, and after coring-out fistulectomy. The following 9 files are in this category, out of 9 total. White arrow indicates external opening of the fistula. ccl, jar, rxq, suc, vzc, zfq, uqu, lev, kiz, tjj, qqu, buo, nmp, hra, qgk,