• Jul 24, 2025 benign anorectal diseases diagnosis with endoanal of EAUS: Three-Dimensional (3D) and Four-Dimensional (4D) Imaging: Enhances visualization of complex fistula tracts and sphincter defects. Contrast-Enhanced Ultrasound: May improve detection of subtle vascular changes or inflammatory activity. Elastography: Assesses tissue stiffness, potentially BY Randy O'Connell