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Anal fistula

Symptoms

a small discharging opening near the bottom. There may have been a preceding abscess near the bottom that has required surgical drainage. Some pain prior to discharge is common.

Causes

most such cases are spontaneous. Rarely fistulae might be related to Crohn’s Disease, malignancy, radiotherapy, TB, hidradenitis suppurativa, or previous major pelvic surgery.

Investigation

examination under anaesthetic or an MRI scan or both.

Treatment

Conditions