Rectovestibular fistula

Recto-vestibular fistula (anorectal fistula) is a pathological anastomosis between the rectum and the external auditory canal, open into its cavity. It can also occur between the posterior wall of the vagina and the cavernous sinus, or with the cavity of the tooth. Develops due to injury, inflammation or infection. Accompanied by the appearance of sharp pain in the anus and discharge from