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Objectives To present our single‐centre experience of urolithiasis management in anomalous kidneys, highlighting the need for an algorithm‐based approach in deciding the appropriate treatment method for each type. Patients and Methods We retrospectively reviewed the data of all the patients who presented to our renal unit with urolithiasis in an anomalous kidney between January 1990 and July 2014. The peri‐operative characteristics of all the patients, along with management approach, were studied. Results Percutaneous nephrolithotomy (PCNL) was the most common surgical technique used, followed by flexible ureterorenoscopy (URS). Pain was the most common presentation in these patients. The overall stone clearance rate associated with PCNL and flexible URS was 85.8% in cases of anomalous kidneys in this series. The stone clearance rates in ectopic kidneys, horseshoe kidneys, malrotated kidneys and autosomal dominant polycystic kidneys associated with PCNL and flexible URS were similar: 86%, 88%, 76% and 83%, respectively, and 81.2%, 80%, 92% and 100%, respectively . Based on our results, we developed a stone management algorithm. Conclusion The management of renal calculi in patients with renal anomalies may vary based on the stone size, location, density, pelvicalyceal system anatomy and drainage. An algorithm‐based approach could help surgeons decide the appropriate treatment in this population.

BACKGROUND AND PURPOSE:For patients with ICH, knowing the rate of CT contrast extravasation may provide insight into the pathophysiology of hematoma expansion. This study assessed whether the PCT-derived PS can measure different rates of CT contrast extravasation for admission CTA spot signs, PCCT, PCL, and regions without extravasation in patients with ICH.

This comparative study confirms the feasibility, efficacy, and safety of robotic pyeloplasty in infants and toddlers. The obvious advantage is being shorter hospital stay. Further prospective studies will be needed to show its superiority over LP.

Compared with KMgCit, O. formigenes preparation is more effective in decreasing the incidence of hyperoxaluria, opening the door to probiotic therapy as a potential new weapon against hyperoxaluria.