| nephrostomy | Establishment of an opening between the pelvis of the kidney through its cortex to the exterior of the body. Origin: nephro-+ G. Stoma, mouth (05 Mar 2000) |
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| nephrostomy tube | A tube placed in the renal collecting system for drainage, diagnostic tests, or removal of calculi. May be placed through a percutaneous route or during an open surgical procedure. (05 Mar 2000) |
| nephrostomy, percutaneous | The insertion of a catheter through the skin and body wall into the kidney pelvis, mainly to provide urine drainage where the ureter is not functional. It is used also to remove or dissolve renal calculi and to diagnose ureteral obstruction. (12 Dec 1998) |
| percutaneous nephrostomy | Drainage of the collecting system through a catheter inserted through the skin of the flank under fluoroscopic control, usually using the Seldinger technique. (05 Mar 2000) |
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