What is the Difference Between Rectocele and Enterocele?

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The main difference between a rectocele and an enterocele lies in the part of the intestine involved and the location of the bulge.

  • Rectocele: This occurs when the end of the large intestine (rectum) pushes against and moves the back wall of the vagina, causing a bulge in the vaginal wall. It is characterized by a bulge in the anterior (front) or posterior (rear) rectal wall, which can lead to trapped stool during a bowel movement, chronic constipation, or incomplete bowel movements.
  • Enterocele: Also known as small bowel prolapse, this occurs when the small bowel presses against and moves the upper wall of the vagina. The small bowel pushes into the vagina, causing a bulge in the vaginal wall.

Both conditions are related to pelvic organ prolapse and can cause a feeling of heaviness, painful intercourse, and pelvic pressure. They may occur together and can be present at birth (congenital), although this is rare. Diagnosis is usually made through a routine internal examination, and treatment options depend on the degree of difficulty caused to the patient by the condition. Surgery to repair the vaginal wall is a common treatment for both rectoceles and enteroceles.

Comparative Table: Rectocele vs Enterocele

Here is a table comparing the differences between rectocele and enterocele:

Feature Rectocele Enterocele
Definition A type of pelvic organ prolapse where the rectum bulges into the vagina. A type of pelvic organ prolapse where the small bowel prolapses into the vagina.
Location Occurs in the rectal wall, with the rectal tissue drooping downward into the vagina. Occurs in the small bowel, with the small bowel prolapsing into the vagina.
Symptoms Bulge in the anterior (front) or posterior (rear) rectal wall during a bowel movement. Rarely presents symptoms, but can be associated with bowel dysfunction.
Prevalence More common in constipated patients, with a prevalence of 65.6% in a study. Less common, found in 4.7% of constipated and incontinent patients in a study.
Diagnosis Can be identified through defecography or 3D pelvic floor ultrasonography. Can be identified through defecography or 3D pelvic floor ultrasonography.

Both rectocele and enterocele are types of pelvic organ prolapse, but they involve different organs and have different symptoms. Rectocele is more common in constipated patients, while enterocele is less common and appears only in groups with bowel dysfunction.