When These glands turn out to be infected, drainage from the infection can create a fistula. This infection is termed a perianal abscess. (At times an anal fistula is also referred to as a perianal fistula. “Perianal” suggests while in the location of one's anus.) Recurring fistula. An anal fistula https://kingbookmark.com/story21492200/varicose-veins-treatment-fundamentals-explained