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Year : 2019  |  Volume : 11  |  Issue : 2  |  Page : 229-231

Percutaneous nephrolithotomy of a staghorn calculus in a patient with renal angiomyolipoma

1 Department of Urology, Salmaniya Medical Complex, Manama, Kingdom of Bahrain
2 College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Kingdom of Bahrain
3 Department of Radiology, Salmaniya Medical Complex, Manama, Kingdom of Bahrain

Correspondence Address:
Mr. Mohamed Mubarak
Department of Urology, Salmaniya Medical Complex, Road 2904, Manama 329
Kingdom of Bahrain
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DOI: 10.4103/UA.UA_148_18

PMID: 31040616

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Renal angiomyolipoma (AML) is the most common benign renal tumor and is prevalent in around 0.2%–0.6% of the population. Its main associated risk is bleeding. It is uncommon that AML presents simultaneously with a staghorn calculus requiring percutaneous nephrolithotomy (PCNL) for stone resolution with only two previously reported cases. In this case, we present a 41-year-old female patient who presented with a 2-year complaint of left flank pain and hematuria. Following investigation, the patient had a large staghorn calculus in the left kidney and an incidental finding of a large AML in the ipsilateral kidney. A single puncture was made under ultrasound guidance, to avoid any form of injury to the AML, and complete stone clearance was achieved through a single tract only. Although the concurrence of AML with a renal calculus requiring PCNL presents a clinical challenge, using ultrasound guidance for stone clearance is a safe and successful means of management with minimal exposure to radiation.

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