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Case Reports
. 2020 Mar 11;6(1):13-15.
doi: 10.1089/cren.2019.0084. eCollection 2020.

Postpercutaneous Nephrolithotomy Ureteropelvic Junction Obstruction

Rajendra B Nerli  1   2 , Vishal Kadeli  1 , Sushant Deole  1 , Aarushi Mishra  1 , Shivagouda Patil  1 , Shridhar C Ghagane  3 , Murigendra B Hiremath  4 , Neeraj S Dixit  3
Affiliations
Case Reports

Postpercutaneous Nephrolithotomy Ureteropelvic Junction Obstruction

Rajendra B Nerli et al. J Endourol Case Rep. .

Abstract

Percutaneous endoscopic renal surgery such as percutaneous nephrolithotomy (PCNL) is a safe and effective treatment for patients with large and/or complex renal calculi. However, a unique set of complications can occur with this surgical approach that may involve the targeted kidney and surrounding structures. Renal collecting system obstruction after PCNL is rare, but may result from ureteral avulsion, stricture formation, transient mucosal edema, blood clot, or infundibular stenosis. Impaction of stone and trauma during PCNL could induce stricture formation and obstruction. Use of proper percutaneous and endoscopic techniques and instruments will help to reduce the chances of developing such strictures and obstruction.

Keywords: Clavien; complications; obstruction; outcomes; percutaneous nephrolithotomy; strictures.

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Conflict of interest statement

No competing financial interests exist.

Figures

FIG. 1.
FIG. 1.
(a–d) CT scan showing cluster of small calculi both in the anterior and posterior lower calices. Two other small calculi seen in the renal pelvis.
FIG. 2.
FIG. 2.
DTPA renogram showing the GFR of 23.2 mL/min on the left side and 55.5 mL/min on the right side. GFR, glomerular filtration rate.
FIG. 3.
FIG. 3.
(a, b) Retrograde pyeloureterogram shows narrowing of the UPJ. A 0.038 inch guidewire was passed into the PCS. PCS, pelvicaliceal system; UPJ, ureteropelvic junction.
See this image and copyright information in PMC

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