Role of defecography

What is the role of defecography (evacuation proctography)? 

Defecography may identify the cause and help direct therapy if there is anorectal dysfunction. It may also show one or more of the following: rectocele, rectal intussusception (rectorectal or intraanal), external rectal prolapse, and enterocele. Optimal diagnosis and management require correlation of defecography findings with history, physical examination, nonimaging tests of anorectal function, and often endoanal ultrasound.


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