Three-dimensional pelvic ultrasound is a practical tool for the evaluation of anal fistulas. BMC Gastroenterology
The most basic treatment for anal fistula is surgery. However, the high recurrence rate of anal fistulas is a common problem, especially in recurrent and complex anal fistulas. For effective surgical management, prior knowledge of the site of the fistula, the main types of perianal fistulas, and the anatomy of the internal orifice is essential […]