What Are Diverticula?

Diverticulum is a capsular bag-like image formed by barium bulging outward through the weak area of the gastrointestinal tract wall, or a capsular bag that protrudes from the entire layer of the tube wall due to the adhesion and stretching of tissue lesions adjacent to the lumen This image is normal and the shape of mucosal folds in and around it is normal, which is called diverticulum.

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Diverticulum is a capsular bag-like image formed by barium bulging outward through the weak area of the gastrointestinal tract wall, or a capsular bag that protrudes from the entire layer of the tube wall due to the adhesion and stretching of tissue lesions adjacent to the lumen Image, mucosa inside and near

If there are no complications and no special symptoms of the bladder diverticulum, if there is obstruction or infection, symptoms of dysuria, frequent urination, and urinary urinary tract infection may occur. Some diverticula can be as large as 2000ml, which can compress the bladder neck and urethra, leading to a healthy search of lower urinary tract obstruction. Diverticulum without muscle contraction, etc., results in poor drainage of urine and ureteral bladder reflux, which may cause hydronephrosis on one or both sides, and eventually lead to renal failure. However, there are also patients with congenital huge diverticula without urinary tract obstruction. Because the bladder diverticulum wall muscle fibers rarely urinate in the huge diverticulum during urination, secondary micturition symptoms occur. Some patients have hematuria due to infection stones in the diverticulum. A few patients may have urinary retention due to the huge diverticulum located behind the bladder neck and urinating the bladder outlet, constipation due to the rectum, and dystocia due to the uterus.

[Imaging performance]

1. Urography: It appears as a spheroid shadow protruding outside the bladder, with a neck connected to the bladder.

2.B-ultrasound manifestation: showing a pouch-like or spherical liquid dark area connected to the side or back wall of the bladder, and the echo of the back wall is enhanced.

3. CT manifestations: enhanced scans showing spheroidal shadows of the filling contrast agent highlighting the outside of the bladder. Filling defects such as stones or tumors in the diverticulum.