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Research Article: Assessing the Variability of the Twelfth Rib as a Landmark for Percutaneous Nephrolithotomy Using Computed Tomography

Date Published: 2023-08-03

Abstract:
Percutaneous nephrolithotomy is the gold-standard procedure for removing large or complex renal stones., Despite this, PCNL carries the risk of significant morbidity, with contemporary series describing a complication rate of .%. The use of the twelfth rib as a landmark for puncture during PCNL continues to be described in the surgical literature despite the twelfth rib being highly variable in its length.– The use of an inconsistent landmark, which varies in its relationship to the target organ, and other nearby viscera, and as a result, PCNL and retroperitoneal access should not be performed without pre-operative imaging.

Introduction:
Percutaneous nephrolithotomy is the gold-standard procedure for removing large or complex renal stones. , Despite this, PCNL carries the risk of significant morbidity, with contemporary series describing a complication rate of .%. The use of the twelfth rib as a landmark for puncture during PCNL continues to be described in the surgical literature despite the twelfth rib being highly variable in its length. – The use of an inconsistent landmark, which varies in its relationship to the target organ, and other…

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