Presentation
Perianal discharge.
Patient Data
Age: 30 years
Gender: Female
From the case:
Trans-sphincteric perianal fistula
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A 42 mm thick-walled tract starts at the right perianal region and courses upwards by piercing both layers of the internal and external anal sphincters to open into the anal canal at 12 o’clock orientation.
No abscess formation.
Case Discussion
Right-sided trans-sphincteric perianal fistula as described.