This procedure is a controlled anal stretch or dilatation under general anesthetic. It is performed because one of the causative factors for anal.
Anal dilatation is used as a simple method of treatment and has been used for both anal fissure and haemorrhoids. This study examined longer-term results.
Br J Surg. Dec;79(12) Manual dilatation of the anus. MacDonald A(1), Smith A, McNeill AD, Finlay IG. Author information: (1)Division of Surgery.