Endoscopic ultrasound. In its place to MRI that creates identical images, an endoscopic ultrasound goes inside your anus with a little lighted camera as well as a tiny ultrasound probe. Your surgeon could then clear away the entire fistula tract from this space or scrape out the infected tissue inside. https://sarthicare.com/best-circumcision-treatment-in-gurgaon-using-modern-techniques/