title: Defecography: principles of technique and interpretation.
abstract: After description of the performance, physiology and normal findings of defecography, the main pathology is discussed as intra-anal rectal intussusception, extra-anal rectal intussusception, mucosal prolapse, rectocele, descending perineum syndrome, spastic pelvic floor syndrome and the solitary rectal ulcer syndrome. Finally, the radiation dose and pitfalls are reported.
authors.forename: R
authors.initials: R
authors.lastname: Goei
mesh_terms: D003672:Defecation; D006801:Humans; D007443:Intussusception / Q000000981:diagnostic imaging; D010502:Perineum; D011859:Radiography; D012002:Rectal Diseases / Q000000981:diagnostic imaging*; D012005:Rectal Prolapse / Q000000981:diagnostic imaging; D013577:Syndrome