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Rectocele
A rectocele ( ) results from a tear in the rectovaginal septum (which is normally a tough, fibrous, sheet-like divider between the rectum and vagina). Rectal tissue bulges through this tear and into the vagina as a hernia. There are two main causes of this tear: childbirth, and hysterectomy.
Although the term applies most usually to the phenomenon of rectal herniation into the vagina in females, males may suffer with a condition likewise named. Rectoceles in men are uncommon, and usually the protrusion is backwards rather than forwards, as the prostate gland provides structural support anteriorly in men. Prostatectomy appears to be associated with rectoceles in men.
==Symptoms==
Mild cases may simply produce a sense of pressure or protrusion within the vagina, and the occasional feeling that the rectum has not been completely emptied after a bowel movement. Moderate cases may involve difficulty passing stool (because the attempt to evacuate pushes the stool into the rectocele instead of out through the anus), discomfort or pain during evacuation or intercourse, constipation, and a general sensation that something is "falling down" or "falling out" within the pelvis. Severe cases may cause vaginal bleeding, intermittent fecal incontinence, or even the prolapse of the bulge through the mouth of the vagina, or rectal prolapse through the anus. Digital evacuation, or, manual pushing, on the posterior wall of the vagina helps to aid in bowel movement in a majority of cases of rectocele. Rectocele can be a cause of symptoms of obstructed defecation.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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