A member asked:

What is anus fistula and what are its causes?

A doctor has provided 1 answer

Tract: A fistula involving the anus or rectum is a pathologic communication, tract or conduit between two anatomic structures or organs caused by infection or inflammation. The tract can drain pus if it leads to an abscess. Crohn's disease is a common cause of ano-rectal fistulae.

Answered 8/23/2019

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