title: Endoanal ultrasound.
abstract: This pictorial review demonstrates the normal anatomy and abnormalities that are readily demonstrated with endoanal ultrasound of the anal sphincters.
authors.affiliation: Department of Radiology, Guy's and St Thomas' NHS Trust, Lambeth Palace Road, London SE1, UK.
authors.forename: G T
authors.initials: GT
authors.lastname: Rottenberg
authors.forename: A B
authors.initials: AB
authors.lastname: Williams
mesh_terms: D001003:Anal Canal / Q000000981:diagnostic imaging* / Q000293:injuries; D001004:Anus Diseases / Q000000981:diagnostic imaging*; D001005:Anus Neoplasms / Q000000981:diagnostic imaging; D019160:Endosonography; D005260:Female; D006801:Humans; D008297:Male; D011182:Postoperative Care / Q000379:methods; D011644:Puerperal Disorders / Q000000981:diagnostic imaging