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  • Title: Percutaneous nephropyelostomy using a fine-needle puncture set.
    Author: Günther R, Alken P, Altwein JE.
    Journal: Radiology; 1979 Jul; 132(1):228-30. PubMed ID: 451209.
    Abstract:
    The authors describe an improved method of percutaneous nephropyelostomy using a long, fine, flexible needle combined with a wider and shorter cannula. The needle facilitates atraumatic puncture of the renal collecting system and antegrade pyelography and subsequently serves as a guide over which the nephrostomy cannula is inserted. This technique was successful in 105 of 115 procedures (93 patients) over a period of 15 months and has replaced operative nephrostomy in the author's hospital.
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