Anal fistula is anorectal abscess after disease, abscess or healing of incision, and ultimately the formation of fistula, anorectal abscess
Anal fistula is anorectal abscess after disease, abscess or healing of incision, and ultimately the formation of fistula, anorectal abscess rupture or incision in the anus, pus outflow from the mouth, but the primary infection in anal sinus. Is anal sinus infection secondary to portal, which is inside the mouth, repeated infection, fistula formation. Through the fistula in the anal sphincter, because the sphincter constantly systolic and diastolic, compression effect fistula, pus discharge, feces and gas in the rectum, can constantly enter from the internal fistula, fistula or sinus, bend, branch, drainage is not smooth, purulent fluid retention, repeated infection, cause fistua healing is not easy. Only by surgical resection of anal fistula, fistula in the mouth can be cured, so far not to non operative cure. The operation principle is removed completely, correctly handle the internal fistula.