Trans-sphincteric perianal fistula

Case contributed by Bahman Rasuli
Diagnosis almost certain


Anal pain and perianal discharge.

Patient Data

Age: 45 years
Gender: Male

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.

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