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Objective: The objective of the study was to assess the outcome and feasibility of ultrasonography (US)-guided minimally invasive percutaneous nephrolithotomy (mini-PCNL) in children., Materials and Methods: Twenty-five children with upper urinary tract stones who had undergone US-guided mini-PCNL from June 2017 to June 2020 were enrolled in this study. Patients' demographic information and post-treatment results were retrospectively gathered and analysed. Pyelocaliceal system was punctured in prone position using US guidance, and the tract was dilated using single-shot dilation technique. All steps of renal access were done using only US. Mini-PCNL in all cases was done by using 15 Fr rigid nephroscope. Stones were fragmented with a pneumatic lithotripter and evacuated., Results: The patients' mean age was 6.30 ± 3.25 years (range: 1.5-15). The mean stone size was 16.04 ± 3.93 mm (range: 10-30). The mean access time to the stone was 1.50 ± 0.62 min (range: 1-4). The mean operation time was 94.66 ± 3.05 min (range: 90-100 min). The final stone-free rate was 96%. Post-operation fever occurred in 4 (16%) patients who were treated successfully with an antibiotic. No major complications occurred., Conclusions: We recommend US-guided mini-PCNL as a harmless alternative treatment option, in children with renal calculi due to its excellent outcomes and little complications., Competing Interests: None

Aim: To compare open suprapubic transvesical prostatectomy (OSP) without insertion of suprapubic cystostomy, OSP with insertion of cystostomy, and transurethral resection of the prostate (TURP)., Patients and Methods: A total of 104 patients with an indication for prostatectomy were retrospectively assigned to TURP (group 1), OSP with cystostomy (group 2), and OSP without cystostomy (group 3). They were evaluated for length of the operation, length of hospital stay, post-operative complications, hemoglobin drop, changes of blood pressure, and intraoperative blood loss., Results: Mean age was 67.2 ± 8.7 in group 1, 73.3 ± 8.4 in group 2, and 74.0 ± 5.7 in group 3. Prostatic volume was 35.9 ± 13.8, 74.1 ± 33.8, and 74.3 ± 31.8 in groups 1, 2, and 3, respectively. There was no significant difference in prostatic volume between groups 2 and 3 (P = 0.99), but in group 1 it was lesser than groups 2 and 3 (P = 0.00). Length of the operation was 1.2 ± 0.2 in group 3 and 1.1 ± 0.2 in group 2, without a significant difference (P = 0.45). Length of hospital stay in group 3 (2.3 ± 0.4 days) was lesser than that in group 2 (2.6 ± 0.7) (P = 0.01). The amount of hemoglobin drop was 1.1 ± 0.9 in group 1, 1.1 ± 0.7 in group 2, and 1.4 ± 0.91 in group 3 without a significant difference between all groups. The amount of bleeding during operation was 173 ± 103 in group 2 and 161 ± 78 in group 3 (P = 0.98)., Conclusion: OSP without insertion of cystostomy tube is a relatively safe method; however, larger studies are needed. It is also comparable to TURP in terms of postoperative efficacy and complications.