Advancement flap

An advancement flap is a procedure which aims to cover the internal opening or "hole" of a fistula, so  the fistula is able to heal. Healing occurs because tissue covers the entry of ongoing infection, allowing the communication or fistula to close over. 

Tissue from the lower rectum (mucosal advancement flap), or from the skin around the anus (anal advancement flap) is used, depending on where the internal opening or "hole" is, and also depending on the surrounding tissue.

This procedure is carried out as a short stay (either day surgery or overnight).


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