[sconza95]

My 3yr old daughter has been diagnosed with some type of mass pushing on her bladder. Doctors are not sure what it is. I was just wondering what congenital diverticulum of the bladder is.

[Usnurse]

They are pouches in the bladder wall that a person is born with (congenital) or later acquires. A congenital bladder diverticulum represents an area of weakness in the bladder wall through which some of the lining of the bladder is forced out. (A small balloon squeezed in a fist will create a diverticular-like effect between the fingers.) Bladder diverticula may be multiple and they often occur at the entrance of the upper urinary system into the bladder (ureterovesical junction). Acquired diverticula are usually related to bladder obstruction, most commonly as a result of benign prostatic hyperplasia