Comprehensive diagnostic methods to accurately identify and classify anal fistula.
Visual inspection and digital rectal examination to identify external openings and assess the fistula tract.
Use of an anoscope to examine the anal canal and identify internal openings.
Magnetic resonance imaging to map the fistula tract and its relationship to sphincter muscles.
Ultrasound examination to assess sphincter involvement and fistula complexity.
X-ray examination with contrast dye to visualize the fistula tract.
Proper classification of the fistula is crucial for selecting the most appropriate treatment and minimizing the risk of complications like incontinence.
