title: Anorectal anatomy and imaging techniques.
abstract: The rectum and anus are two anatomically complex organs with diverse pathologies. This article reviews the basic anatomy of the rectum and anus. In addition, it addresses the current radiographic techniques used to evaluate these structures, specifically ultrasound, magnetic resonance imaging, and defecography.
authors.affiliation: Department of Surgery, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH 45267-0558, USA.
authors.forename: Patrick
authors.initials: P
authors.lastname: Solan
authors.forename: Bradley
authors.initials: B
authors.lastname: Davis
mesh_terms: D001003:Anal Canal / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D019841:Defecography; D019160:Endosonography; D006801:Humans; D008279:Magnetic Resonance Imaging; D012007:Rectum / Q000033:anatomy & histology* / Q000000981:diagnostic imaging
keywords: Anorectal anatomy; Anorectal imaging; Defecography; Endorectal ultrasound