Percutaneous nephrostomy

Percutaneous nephrostomy

Percutaneous nephrostomy is a surgical procedure in which the renal pelvis is punctured whilst using imaging as guidance. Images are obtained once an antegrade pyelogram (an injection of contrast), with a fine needle, has been performed. This contrast is used to show calcifications at the renal pelvis. A nephrostomy tube may then be placed to allow drainage.cite book | last=Longmore | first=Murray | coauthors=Ian Wilkinson, Tom Turmezei, Chee Kay Cheung | title=Oxford Handbook of Clinicial Medicine, 7th edition | publisher=Oxford University Press | date=2007 | pages=731 | isbn=0-19-856837-1 ]

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