An unusual cause of Grade IIIb Clavien complication of percutaneous nephrolithotomy: Broken and retained Malecot nephrostomy catheter

Percutaneous nephrolithotomy (PCNL) is a relatively safe operation with low rates of major complications. Clavien-Dindo classification is a validated system to record complications, although still needing standardization in reporting and scoring of complex and rare events. We report an unusual adverse incident that required interventional management and impacted the postoperative course