![]() As a result, it has become increasingly popular in the treatment of larger stones >2.0 cm, including staghorn stones ( 6). Although RIRS has been reported to have a lower stone-free rate compared to PCNL when managing kidney stones larger than 2.0 cm ( 5), the past few decades have seen technological advances and refinements that have substantially improved the stone-clearance rate of multisession RIRS. PCNL has been the first-line treatment of staghorn calculi ( 3), and RIRS is recommended by guidelines as the first-line treatment for kidney stones ≤2.0 cm ( 4). The invasive procedures to treat this disease include percutaneous nephrolithotripsy (PCNL) and retrograde intrarenal surgery (RIRS). Nephrolithiasis is a prevalent illness that affects 5% of the population in the United States ( 1), with 10% to 20% of these cases being staghorn calculi ( 2). Keywords: Staghorn calculus retrograde intrarenal surgery solitary kidney deformity of the pelvis percutaneous nephrolithotomy case report This suggests RIRS may be of particular interest in minimizing the procedure-related damage of a solitary kidney. This case demonstrates that RIRS is a safe and effective treatment of staghorn calculi with the presence of urinary tract deformation. The patient recovered well without any complications. The postoperative X-ray exam of the third session revealed that the renal stone was completely removed. A total number of 3 sessions of RIRS were conducted, and the patient was discharged 3 days after each session on average. ![]() Additionally, a urinary tract deformity was observed, and it was secondary to the deformity of the pelvis caused by a previous pubis fracture, which significantly increased the risk and the difficulty of intrarenal surgery. The computed tomography (CT) scan found a solitary kidney on the right side with an opaque 4.5 cm × 2.4 cm renal stone and grade I hydronephrosis. The 37-year-old male patient presented with right-sided lumbar pain. However, we report a retrograde intrarenal surgery (RIRS) performed to treat a staghorn calculus in a patient with a solitary kidney and a deformed urinary tract. Percutaneous nephrolithotomy (PCNL) is the gold standard treatment for staghorn calculi. Interviews with Outstanding Guest EditorsĪbstract: Staghorn renal calculi are large, branched stones in the kidney that partially or completely fill the renal pelvis and renal calyces.Policy of Dealing with Allegations of Research Misconduct.Policy of Screening for Plagiarism Process.
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