Defecography (cont.)

Anorectal Disorders With Pathologic
Defecograms (cont.)
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Enterocele and Sigmoidocele
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When a patient has an enterocele, opacified small bowel is observed to
descend (herniate) into the pouch of Douglas. If rectal prolapse is also
present, the small bowel may invaginate the anterior rectal wall and
prolapse along with the rectum through the anal canal.
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A sigmoidocele can
produce a similar herniation if the proximal sigmoid colon descends deep
into the pouch of Douglas.
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