A unique 3D endoanal ultrasound feature of perianal Crohn’s fistula: the ‘Crohn ultrasound fistula sign’

Abstract

This study provides a new 3D endoanal ultrasound criterion, CUFS, of perianal fistula in patients with Crohn's disease. The sign can be used to discriminate a Crohn's from other types of fistula, which may be useful in the management of patients with anal fistula.