Male urinary system
Male urinary system


Retroperitoneal fibrosis

Definition:
Retroperitoneal fibrosis is a disorder in which the tubes that carry urine from the kidneys to the bladder are blocked by a fibrous mass in the back of the abdomen.

Alternative Names:
Idiopathic retroperitoneal fibrosis; Ormond's disease

Causes, incidence, and risk factors:

Retroperitoneal fibrosis is a rare disorder caused by the proliferation of fibrous tissue in the area of the body behind the stomach. Doctors don't know why the masses form. It is most common in people aged 40-60, and men are twice as likely to be affected as women.

The disorder may cause chronic unilateral obstructive uropathy or chronic bilateral obstructive uropathy, which result when the fibrous mass blocks the ureters.The symptoms are caused by this obstruction of the ureters.




Review Date: 8/18/2003
Reviewed By: David Webner, M.D., Sports Medicine Fellow, Crozer-Keystone Family Practice Program, Springfield, PA. Review provided by VeriMed Healthcare Network.

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