Presentation
Anal pain and perianal discharge.
Patient Data
Age: 45 years
Gender: Male
From the case:
Trans-sphincteric perianal fistula
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A 55 mm thick-walled tract starts at the right perianal region and courses upwards with piercing both layers of the internal and external anal sphincters to open into the anal canal at 6 o’clock orientation
No abscess formation.
Case Discussion
Right-sided trans-sphincteric perianal fistula as described.