Fistula in Ano: Understanding the Condition
A fistula in ano is an abnormal connection between the epithelialized surface of the anal canal and the perianal skin. It often results from an anorectal abscess.
Symptoms
- Recurrent anal abscesses
- Pain and swelling around the anus
- Discharge of pus or blood
- Irritation or itching around the anus
Diagnosis
- Physical examination
- Fistulography or MRI
- Endoanal ultrasound
Treatment - Laser Treatment
- Fistulotomy
- Seton placement
- Advancement flap procedures
- Fibrin glue or collagen plug
Risk Factors
- Crohn's disease
- Previous anorectal abscess
- Radiation therapy
- Tuberculosis
Importance of Timely Treatment
Prompt treatment prevents complications like sepsis or systemic infection.