nephrostomy

Definition / meaning of nephrostomy

Surgery to make an opening from the outside of the body to the renal pelvis (part of the kidney that collects urine). This may be done to drain urine from a blocked kidney or blocked ureter into a bag outside the body. It may also be done to look at the kidney using an endoscope (thin, lighted tube attached to a camera), to place anticancer drugs directly into the kidney, or to remove kidney stones.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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