In endoanal ultrasound, doctors use ultrasound to evaluate the various parts of the anal canal, end of the rectum, and surrounding area. This is also sometimes called an endorectal ultrasonography (ERUS).
In endoanal ultrasound, doctors use ultrasound to evaluate the various parts of the anal canal, end of the rectum, and surrounding area. This is also sometimes called an endorectal ultrasonography (ERUS).