When These glands turn into infected, drainage from the infection can make a fistula. This infection is called a perianal abscess. (In some cases an anal fistula is also referred to as a perianal fistula. “Perianal” suggests from the area of the anus.) Development level of secondary anal fistula after https://bookmarksurl.com/story7068785/the-definitive-guide-to-kidney-stone-treatment