Also found in: Dictionary, Acronyms.
Related to percutaneous nephrostomy: Percutaneous Nephrolithotomy
creation of a permanent opening into the renal pelvis.
percutaneous nephrostomy insertion of a catheter through the skin and into the renal pelvis under the guidance of fluorography or ultrasonography; performed for relief of obstruction and to gain access to the upper urinary tract for a variety of procedures, such as dilation of strictures or removal of calculi.
drainage of the collecting system through a catheter inserted through the skin of the flank under fluoroscopic control, usually using the Seldinger technique.
The placement of a catheter into the renal pelvis from the posterolateral aspect of the body below the 11th rib using radiologic guidance.
See also: nephrostomy