Sigmoidocele | |
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Specialty | Gastroenterology |
Sigmoidocele (also known as pouch of Douglas descent) refers to a condition where the sigmoid colon descends (prolapses) into the lower pelvic cavity. [1] This can obstruct the rectum and cause symptoms of obstructed defecation. [2]
The phenomenon is caused by a weak section of fascial supports of the vagina (the uterosacral cardinal ligament complex and rectal vaginal septum), which allows a section of peritoneum containing the sigmoid colon to prolapse out of normal position and fall between the rectum and the vagina. [3]
It is not possible to differentiate between a rectocele and a sigmoidocele on vaginal examination. Defecating proctography will demonstrate a sigmoidocele during straining.[ citation needed]
Sigmoidocele normally occurs in females, and is uncommon. [1]
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