High Anal Fistula: Anatomical Causes, Symptoms, and Surgical Repair

High Anal Fistula: Anatomical Causes, Symptoms, and Surgical Repair

1. Introduction to Anal Fistulas An anal fistula is an abnormal, hollow tunnel that forms a connection between the internal mucosal lining of the anal canal and the external skin surrounding the anus. This complex structural anomaly most frequently develops as the direct consequence of a previous infection or an unresolved perianal abscess. The presence … Read more