Ultrasonically guided percutaneous nephropyelostomy
Percutaneous nephropyelostomy (PNS) was rarely used for drainage of the renal pelvis and ureter until 1974 when a new technique was introduced, with the insertion of a polyethylene catheter on a trocar into the renal pelvis under fluoroscopic control (Almgård & Fernström).
KeywordsCatheter Lymphoma Polyethylene Posit Nylon
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