Ultrasound Imaging of the Anal Sphincter Complex: A Review Authors: 1. Zeelha Abdool, FCOG (SA) Consultant Obstetrician& Gynaecologist, In 1994 Sultan et al19 described a new approach to imaging the anal canal at rest, using a B& K rotating endoprobe fitted with
Anorectal Manometry: Rectal Ultrasound. Anal manometry, defacography, During this procedure your physician will insert an ultrasound probe into the anal canal or rectum to obtain pictures. Ultrasound examinations utilize harmless sound waves.
Anal endosonography. Traditionally, endoanal ultrasound (EAUS) is performed using a 2D ultrasound scanner with a 7 or 10 MHz rotating endoprobe (focal range 545 mm), providing a 360 axial view of the anal canal.