IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Trans-sphincteric perianal fistula

Case contributed by Bahman Rasuli
Diagnosis certain

Presentation

Perianal discharge.

Patient Data

Age: 30 years
Gender: Female

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.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.