Indiana pouch

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An Indiana pouch is a surgically-created urinary diversion used to create a way for the body to store and eliminate urine for patients who have had their urinary bladders removed as a result of bladder cancer or pelvic exenteration.

With this type of surgery, a reservoir or pouch is made out of a portion of the ascending colon and a portium of the ileum (a part of the small intestine. The ureters are surgically removed from the bladder and repositioned to drain into the pouch. A piece of small intestine is brought out through a small opening in the abdominal wall called a stoma. A one-way valve is placed in the stoma to keep the urine inside the pouch. Urine is emptied from the pouch by placing a thin catheter through the stoma. Usually the stoma is covered with a bandage.

In contrast to other urinary diversion techniques like the ileal conduit, the Indiana pouch has the advantage of not using an external pouch to store the urine.