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February 1966

Vesical Diverticulum of the Urinary Bladder in the Female

Author Affiliations

From the Mayo Clinic, the Mayo Foundation, and the Mayo Graduate School of Medicine.

Arch Surg. 1966;92(2):266-268. doi:10.1001/archsurg.1966.01320200106016

THE OCCURRENCE of a vesical diverticulum in a female patient is not common, and the finding of more than one in the same patient is rare.

Etiology.  —Two theories usually are considered concerning the pathogenesis of vesical diverticulum. One is the development of an obstruction at the vesical neck in which residual urine is retained. Back pressure from the obstruction causes a bulging in a region of the vesical wall and later the formation of a diverticulum. The other theory considers a congenital weakness in a localized region in which a diverticulum forms at a subsequent date. Perhaps both of these factors contribute to the development of some diverticula. Certainly, various amounts of muscle tissue are found in diverticula when they are removed. In this regard, the case of one of our patients, a 79-year-old woman, was particularly interesting. In 1964 she had a diverticulum 7 cm in diameter that

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