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Öğe Comparison of Non-Hilar Clamping Simple Enucleation and Enucleo-Resection of Exophytic Renal Tumors(Urol & Nephrol Res Ctr-Unrc, 2015) Balasar, Mehmet; Durmus, Emrullah; Piskin, Mehmet Mesut; Karalezli, Giray; Gurbuz, Recai; Kilinc, MehmetPurpose: To retrospectively evaluate our institutional experience with non-hilar-clamping simple enucleation (SE) and enucleoresection (ER) for the treatment of exophytic renal tumors regarding their oncological outcomes. Materials and Methods: We retrospectively evaluated patients treated between 2006 and 2013 for clinical exophytic T1-T2a renal tumors using open nephron-sparing surgery. Results: A total of 33 patients underwent SE and 39 underwent ER. The mean tumor size was 38.7 mm. None of the patients had positive surgical margins. No local recurrences were observed during the postoperative follow-up period (mean 40.7 +/- 23.4 months); however, ipsilateral adrenal and contralateral kidney metastasis was detected in one of the patients. There was no statistically significant difference in the R.E.N.A.L Nephrometry Score, operative time, or intraoperative blood loss in the non-hilar-clamping SE and ER groups (P > .05). During the third postoperative month, the estimated glomerular filtration rate (eGFR) levels in the SE group were significantly reduced compared with the preoperative eGFR levels (P = .046). Conclusion: SE and ER with non-hilar clamping are safe, acceptable approaches for treating exophytic renal tumors.Öğe Digitalization and Urological Diseases: Severity of Cyberchondria and Level of Health Anxiety in Patients Visiting Outpatient Urology Clinics(Mary Ann Liebert, Inc, 2023) Ozkent, Mehmet Serkan; Kilinc, Muzaffer Tansel; Hamarat, Mustafa Bilal; Yilmaz, Burak; Goger, Yunus Emre; Ozkent, Yasemin; Piskin, Mehmet MesutThis study aimed to evaluate the cyberchondria levels of patients who applied to the urology outpatient clinic. The second goal of this study was to evaluate the relationship between cyberchondria severity and health anxiety in these patients. The present prospective observational study was conducted at the urology outpatient clinic of two tertiary centers in our city between September and December 2021. Eligible patients were the adult patients (>18 and <= 60 years) who used the Internet for health purposes and had no self-reported psychological or mental disease. The patients were divided into following groups according to their complaints: general urology, uro-oncology, andrology, functional urology, and endourology (stone disease). The level of cyberchondria and health anxiety was evaluated for these patients by using the Short Health Anxiety Inventory (SHAI) and a short-form version of the Cyberchondria Severity Scale (CSS-12). This study enrolled 578 patients (190 female, 388 male). The mean age of patients was 43.4 +/- 13.3 years (18-60 years). The mean CSS-12 was 28.1 +/- 12.1, and the mean value of SHAI was 18.9 +/- 13.6. The patients had andrological symptoms, is uniquely related to higher CSS and health anxiety, and followed by uro-oncological diseases. However, the least relationship was observed in patients with functional urological diseases (analysis of variance [ANOVA], p < 0.001 for CSS-12; p < 0.001 for SHAI). In addition, a positive correlation was observed between the CSS and SHAI (Pearson's correlation = 0.782). The increased level of cyberchondria causes increased health anxiety and an increased disease burden in these patients. Therefore, physicians should consider this increased treatment burden during the treatment of patients.Öğe Evaluation of parental sociocultural background and education level in response to pediatric testis torsion(Elsevier Sci Ltd, 2020) Goger, Yunus Emre; Ozkent, Mehmet Serkan; Unlu, Mahmud Zahid; Kocaoglu, Canan; Madenci, Hasan; Piskin, Mehmet MesutIntroduction Acute scrotal pain (ASP) remains one of the most common male urologic emergencies in the pediatric age group. The most concerning outcome of testicular torsion (TT) is the need for orchiectomy, which has a negative impact on the child's development in general and on sexual development and psychology in particular. Time is the most important factor in the treatment of TT. Parental awareness of ASP indicating the possibility of TT is a significant factor in children's hospital admission time. Sociocultural background may be an indicator in parental awareness. Objective This study sought to determine if parental sociocultural and education level is associated with delayed treatment for TT. Study design This retrospective study evaluated data for patients with scrotal or abdominal pain and TT at two hospitals in Konya, Turkey from 2012 to 2020. Study participants were the parents of the patients treated for TT. Participants were contacted by telephone and asked about their educational background. The study population was divided into 2 groups based on parent characteristics. Group 1 parents had an education level less than high school, had no health insurance, were in need of state aid, and had a low sociocultural background. Group 2 parents had an education level of at least high school or higher and had health insurance. Symptom duration (time between symptom onset and hospital admission) and surgical procedures for the patients were compared between the 2 parent groups. Results Of the 140 patients who received a diagnosis of TT, 77 were in Group 1 and 63 in Group 2. Mean patient age was 12.7 +/- 2.7 (5-16) years Median symptom duration was 7 (1-120) hours. Symptom duration was higher in Group 1, but no statistically significant differences were noted between groups (Group 1 duration was 8h vs. Group 2 duration of 6h; p = 0.331). Orchiectomy was performed for 62 (44.3%) patients and testicular-sparing surgery for 78 (55.7%). Orchiectomy rates between groups were statistically significant and higher in Group 1 with 41 (53.2%) versus 21 (33.3%) in Group 2. Conclusion Factors such as low sociocultural family background and low parental education level increase the risk of orchiectomy for their children. Awareness of the symptoms of TT may minimize the possibility of testicular loss. [GRAPHICS] .Öğe Factors predicting postoperative febrile urinary tract infection following percutaneous nephrolithotomy in prepubertal children(Elsevier Sci Ltd, 2018) Kaygisiz, Onur; Satar, Nihat; Gunes, Ali; Dogan, Hasan Serkan; Erozenci, Ahmet; Ozden, Ender; Piskin, Mehmet MesutBackground Predictive tables and scoring systems can predict stone clearance. However, there is a paucity of evidence regarding the prediction of complications during percutaneous nephrolithotomy (PCNL), particularly in children, which remains under-researched. To our knowledge, no studies have evaluated the risk factors for febrile urinary tract infection (FUTI) after pediatric PCNL. Objectives To assess the predictive factors of FUTI in prepubertal children after PCNL and determine whether any prophylactic cephalosporins are superior for decreasing the FUTI rate. Study design Data from 1157 children who underwent PCNL between 1991 and 2012 were retrieved from the multicenter database of the Turkish Pediatric Urology Society. Children >12 years of age were excluded, leaving 830 children (364 girls, 466 boys). Data were analyzed according to the presence of FUTI and compared between the FUTI and non-FUTI groups. Results Mean age was 6.46 +/- 3.38 years. Twenty-nine (3.5%) children had FUTI which was confirmed by urine culture. FUTI Table Predictive factors for FUTI. occurred more frequently in young children (5.5%) than school-age children (2.4%). In univariate analysis, there were significant differences between the FUTI and non-FUTI groups regarding age, cephalosporin subgroup (first, second and third generation cephalosporin), side of PCNL, staghorn stones, tract size, operative time, postoperative ureteral catheter usage, perioperative complications (SATAVA), and blood transfusion. Multivariate analysis revealed that age, side of PCNL, staghorn stones, tract size, operative time, and blood transfusion were independent predictors of FUTI. Discussion The smaller tract size could cause FUTI with poor fluid drainage that may lead to elevate renal pelvic pressure and trigger bacteremia-causing pyelovenous backflow. Filling the calyx and renal pelvis by a staghorn stone and the resulting obstruction of fluid drainage may elevate intrarenal pelvis pressure. Longer operative time is likely to increase renal pelvic pressure over longer periods, which may account for FUTI after pediatric PCNL. Conclusions Younger age, right-sided PCNL, staghorn stones, mini-PCNL, longer operative time, and blood transfusion are risk factors for FUTI. First-, second-, and third-generation cephalosporins are equally effective for prophylaxis in prepubertal children undergoing PCNL.Öğe Hemostatic Efficacy and Histopathological Effects of Ankaferd Blood Stopper in an Experimental Rat Model of Cyclophosphamide-induced Hemorrhagic Cystitis(Elsevier Science Inc, 2016) Kilic, Ozcan; Akand, Murat; Karabagli, Pinar; Piskin, Mehmet MesutOBJECTIVE To evaluate the hemostatic efficacy and histopathological effects of Ankaferd Blood Stopper (ABS) in an experimental rat model of cyclophosphamide-induced (CYP) hemorrhagic cystitis (HC). MATERIALS AND METHODS Forty male Sprague-Dawley rats were included in the study. Firstly, 10 rats were divided equally into 2 groups where the first group was administered only an intraperitoneal (i.p.) injection of normal saline to constitute the negative control group (CON). The remaining 5 rats were administered only a single i.p. injection of CYP (without any further treatment) for induction of HC to constitute the positive control group (HC). Subsequently, the remaining 30 rats, which also received i.p. CYP for induction of HC, were divided into 3 groups to which intravesical saline (SAL group), epinephrine (EPN group), and ABS (ANK group) were administered for 3 consecutive days. Ten days after the third instillation, cystectomy was performed for histopathological examination. Specimens were evaluated for presence of congestion, edema, necrosis, ulceration, and regenerated epithelium, and scores were given for each parameter according to the severity. RESULTS No statistically significant difference was observed for congestion, edema, necrosis, and ulceration between HC-SAL, and also between CON-ANK groups (all P values > .05). There was a significant difference for total scores between EPN and ANK groups (P = .009). There was statistically significant difference for regenerating epithelium between CON-EPN, CON-ANK, HCANK, and SAL-ANK groups. CONCLUSION Intravesical administration of ABS is at least as efficacious as EPN in terms of congestion, edema, necrosis, and ulceration. Moreover, ABS can be considered as a better option in inducing regenerating epithelium than EPN. (C) 2016 Elsevier Inc.Öğe The incidence and location of prostatic calculi on noncontrast computed tomography images in patients with renal calculi(Springer, 2015) Balasar, Mehmet; Poyraz, Necdet; Goger, Yunus Emre; Unal, Yunus; Piskin, Mehmet MesutIn this study, the incidence and location of prostatic calculi on noncontrast abdominal computed tomography (NCACT) images of patients with and without renal stones were investigated. Between 2006 and 2013, NCACT images were taken of 133 patients treated for renal stones (Group I) and of 100 age-matched control patients with putative urinary stone disease (Group II) in our clinic. The incidence and location of prostatic calculi on these images were determined. The location of prostatic calculus was classified as type A if they were located in the main prostatic ducts, and type B if they were located outside the ducts. Prostatic calculi were present in 44.4 % of patients in Group I and 21.0 % of patients in Group II. The incidence of prostatic calculi was significantly higher in patients with urinary stones compared with those without (P < 0.001). The location of prostatic calculi in Group I included 74.6 % type A and 25.4 % type B while in Group II the locations were 76.2 % type A and 23.8 % type B. The incidence of prostatic calculi is more prevalent in patients with renal stones. On NCACT images, prostatic calculi were mostly detected in the main prostatic ducts, which were defined as type A.Öğe Is Retrograde Intrarenal Surgery as Safe for Children as It Is for Adults?(Karger, 2021) Ozkent, Mehmet Serkan; Piskin, Mehmet Mesut; Balasar, Mehmet; Goger, Yunus Emre; Sonmez, Mehmet GirayIntroduction: The primary aim of this study is to compare the efficacy and safety of retrograde intrarenal surgery (RIRS) among the children and adults with similar stone burdens and locations. Also, the secondary aim of this study is to identify the factors affecting the stone-free rates (SFRs) of RIRS. Methods: We retrospectively compared perioperative results, SFRs, and complication rates (CRs) between pediatric (group 1, n: 55) and adult (group 2, n: 220) age groups diagnosed with kidney stones and treated by flexible ureterorenoscopy using the same instruments. Furthermore, multivariate analysis was performed to determine the factors affecting the SFR. Results: A total of 275 patients (pediatric group: 55; adult group: 220) were included in this study. The mean age of pediatric and adult groups was 7.2 +/- 5.3 and 43.9 +/- 15.1, respectively. The mean stone size was 13.9 +/- 6.6 mm in the pediatric group compared to 14.8 +/- 6.7 mm in the adult group (p = 0.35). Stone localizations and number were similar. JJ stenting for passive dilatation and use of UAS were higher in the pediatric group (p = 0.002; p = 0.017). However, postoperative double pigtail stenting rate was higher in the adult group (p < 0.001). Total CR was 13.8% and mostly Clavien I-II, and no difference was observed between the 2 groups (p = 0.541). The SFRs between the groups were similar (pediatric group: 81.8%; adult group: 78.2%; p = 0.554). On multivariate analysis, stone size (p < 0.001) and lower calyx stone (p < 0.001) were the negative predictive factors for SFR. Conclusion: There are small technical differences between pediatric patients and adult patients in our study, but RIRS in children is as safe and efficient as it is in adults.Öğe Outcomes of mini-percutaneous nephrolithotomies in children: a single centre experience(Polish Urological Assoc, 2019) Kandemir, Abdulkadir; Balasar, Mehmet; Piskin, Mehmet Mesut; Ozturk, AhmetIntroduction The aim of this study was to present to present our experiences with pediatric mini-percutaneous nephrolithotomies (MPNL) in our center. Material and methods A total of 85 MPNLs performed on 79 pediatric patients being treated for upper urinary tract stones from 2007 to 2017 were analyzed retrospectively in order to determine their safety, efficacy, and relevant outcomes. Results 85 MPNLs performed on 79 patients with a mean age of 6.58 (1-14) years were included in this study. The mean size of the stones was 1.99 (1-6.4) mm. A 17 Fr rigid pediatric nephroscope with a pneumatic intracorporeal lithotripsy was used through a 20 Fr access sheath. The stone-free rate was 87.1% at 1 month postoperatively. Mean operative time was 56.4 (20-120) min. Mean fluoroscopy screening time was 183.2 (40-510) sec. Average hospitalization duration was 4.78 (2-13) days. Auxiliary procedures were performed on 7 (8.2%) patients (5 extracorporeal shock wave lithotripsy, 2 re-percutaneous nephrolitho-tomy). The complication rate of these cases was 6.3% according to the modified Clavien Classification System. However, no major complications classified as Clavien IV-V were observed in the study group. Conclusions The outcomes of the contemporary analysis confirm that MNPL is a safe and efficient method of intervention resulting in a stone-free state in pediatric cases.Öğe Polyorchidism; unilateral, one atrophic undescended double testicles(Medknow Publications & Media Pvt Ltd, 2017) Balasar, Mehmet; Sonmez, Mehmet Giray; Oltulu, Pembe; Kandemir, Abdlkadir; Kilic, Mehmet; Goger, Yunus Emre; Piskin, Mehmet MesutPolyorchidism is a very rare genitourinary anomaly defined with the presence of more than two testicles. Polyorchidism is associated up to 40% with undescended testicles. The present report is about an incidentally detected triorchidism case with unilateral, one atrophic undescended double testicles. A 4-year-old child, diagnosed with undescended left testicle revealed during orchiopexy polyorchidism with distinct epididymis and vas deferens. Whereas one of the testicles was in regular size; the other two were atrophic. Orchiectomy was conducted on the atrophic testicle and orchiopexy to the regular size testicle. The atrophic testicle excised was referred histopathological analysis and was diagnosed as atrophic testis. The patient discharged on the first postoperative day, was considered as normal during postoperative evaluation made on the third postoperative day. Polyorchidism is a rare genitourinary abnormality, and its management is still controversial. Yet, we believe that orchiectomy is to be conducted in atrophic testicle cases.Öğe Preliminary, Favorable Experience with Microperc in Kidney and Bladder Stones(Mary Ann Liebert Inc, 2012) Piskin, Mehmet Mesut; Guven, Selcuk; Kilinc, Mehmet; Arslan, Mehmet; Goger, Emre; Ozturk, AhmetPurpose: In this study, we report our initial experience using microperc for treatment of kidney stones and the implications of the microperc system in bladder stone management. Patients and Methods: Microperc was performed with a 4.85F all-seeing needle in 11 patients with stone disease; 9 of the patients had kidney stones and 2 had bladder stones. Access to the renal collecting system was achieved under fluoroscopic control in eight patients, while ultrasonography was used in one. Fluoroscopy was not used in any of the patients with bladder stones for bladder access. Results: The mean stone burden was 12.8mm (range 7-18 mm). The stone locations were pelvis in three, upper calix in one, middle calix in two, and lower calix in three. The mean age for kidney stones was 20.8 years (range 3-47 years). Single access was sufficient in all cases. In two patients, although the procedure was progressing without complication, conversion to miniperc was needed because of operator-related system errors. There were no intraoperative complications. The stone-free rate in the postoperative first month was 85%. Conclusion: The least invasive microperc with an optical puncture system appears to be a safe and effective treatment modality in patients with different kinds of stone disease with respect to various features. Although the initial cases were patients with single stones of less than 20 mm, the combined use of this system with other minimally invasive treatment modalities for the management of larger stones is promising.Öğe A randomised-controlled, prospective study on the effect of dorsal penile nerve block after TURP on catheter-related bladder discomfort and pain(Wiley, 2021) Goger, Yunus Emre; Ozkent, Mehmet Serkan; Goger, Esra; Kilinc, Muzaffer Tansel; Ecer, Gokhan; Piskin, Mehmet Mesut; Erol, AtillaPurpose: In the present study, the impact of penile nerve block (PNB) on postoperative pain and Catheter-Related Bladder Discomfort (CRBD) in the transurethral resection of prostate(TURP) patients were evaluated. Methods: Participants of the present study were selected from patients who performed TURP under spinal anaesthesia for benign prostatic hyperplasia (BPH) between January 2018 and July 2020. The present study was planned as a single-centre, randomised-controlled prospective study in which the patients were divided into two groups. Group 1 was administered Control (n:40), and Group 2 ultrasonography(USG) guided PNB (n:40). The patients were included in the Groups, respectively. Visual analogue scale (VAS) scores were questioned and recorded in order to evaluate the postoperative pain complaints of the patients after the operation. In addition, in order to evaluate the CRBD, VAS scores were questioned and recorded as 0th, 0-1th hour, 1st-2nd hour, 2nd-4th hour, 4th-8th hour, 8th-12th hour, and 12th-24th hour. In addition, postoperative pain and need for analgesic drug were recorded. Tramadol was given to patients with moderate to severe CRBD. The findings were compared between the Groups. Results: There was no statistical difference demographic and per-operative data between Group 1 and Group 2. The CRBD and pain-related VAS scores were significantly higher in Group 1 between the 0 and 8th hours. There was no difference between VAS scores in the postoperative 8-24th hours. In total 24 hours, Group 2's need for tramadol was significantly less than Group 1. On examining the factors affecting CRBD in the multivariate analysis, age, body mass index(BMI), prostate volume, operation time do not affect CRBD statistically, and only PNB reduces CRBD (P: .029). While less drug-related complications were observed in Group 2, no serious complications related to PNB were observed. Conclusion: Penile nerve block is an effective method for the decrease pain and CRBD after urological surgery. It will also reduce the need for analgesics, and provide painless patients in the postoperative period.Öğe Renal stone composition does not affect the outcome of percutaneous nephrolithotomy in children(Springer, 2018) Kaygisiz, Onur; Turegun, Fethi Ahmet; Satar, Nihat; Ozen, Ender; Toksoz, Serdar; Dogan, Hasan Serkan; Piskin, Mehmet MesutPurpose We sought to investigate the association between renal stone composition and percutaneous nephrolithotomy outcomes in pediatric patients and define the characterization of the stone composition. Methods The data of 1157 children who underwent percutaneous nephrolithotomy between 1991 and 2012 were retrieved from the multicenter database of the Turkish Pediatric Urology Society. The study population comprised 359 children (160 girls, 199 boys) with stone analyses. Patients were divided into five groups according to the stone composition [group 1: calcium oxalate; group 2: calcium phosphate; group 3: infection stones (magnesium ammonium phosphate, ammonium urate); group 4: cystine; group 5: uric acid, xanthine stones]. Results Patient characteristics, perioperative, postoperative, and stone characteristics were compared considering the stone composition. There were no significant differences between the groups concerning age, sex, side involved, preoperative hematocrit levels, and solitary renal unit. Patients with cystine stones were more likely to have a history of stone treatment. Groups 2 and 5 had mostly solitary stones. However, group 3 had staghorn stone more often, and group 4 frequently had multiple stones. Overall stone-free rate (79.4%) was similar among the groups. Although stone composition was related to blood transfusion and prolonged operative and fluoroscopy screening times on univariate analysis, it was not a significant predictor of them on multivariate analysis. Conclusions Stone composition was not a predictor of outcomes of pediatric percutaneous nephrolithotomy. However, cystine and infection stones, which are larger and filled multiple calyxes due to the nature of stone forming, were more challenging cases that need multiple tracts.Öğe TREATMENT SELECTION FOR A VESICOURETERAL REFLUX CASE FOLLOWING RENAL TRANSPLANTATION(Wiley-Blackwell, 2015) Erikoglu, Mehmet; Tasci, Ibrahim H.; Balasar, Mehmet; Piskin, Mehmet Mesut; Tavli, Sakir[Abstract Not Availabe]Öğe Urinary kidney injury molecule-1 levels in renal stone patients(Springer, 2016) Balasar, Mehmet; Piskin, Mehmet Mesut; Topcu, Cemile; Demir, Lutfi Saltuk; Gurbilek, Mehmet; Kandemir, Abdulkadir; Ozturk, AhmetTo study kidney injury molecule-1 (KIM-1) biomarker levels, indicating renal tubular damage, in patients with kidney stones and in those who underwent minimally invasive method stone treatment. Sixty patients with renal stones between 10 and 20 mm were included into the present study. Patients who were divided into three cohorts underwent micropercutaneous nephrolithotomy (microperc), retrograde intrarenal stone surgery (RIRS), and percutaneous nephrolithotomy (PNL). Urine samples were obtained from all participants before, 4 h and 14 days after the procedure. In all the samples obtained, urinary KIM-1 and creatinine (Cr) levels were measured and KIM-1/Cr ratios (ng/mg creatinine) were calculated. Preoperative urine KIM-1/Cr ratio was higher than postoperative 14th day. The bigger the renal stone size, the higher was the ratio (correlation coefficient 0.353, p = 0.006). According to preferred treatment procedure, there was a statistically significant decrease in preoperative and postoperative 4th hour and 14th day urine KIM-1/Cr rates in the RIRS and PNL, yet none in the microperc group (p = 0.010, p = 0.001, p = 0.212, respectively). In renal stone patients, the elevated urine KIM-1/Cr ratio levels increase further according to stone size. KIM-1/Cr ratio is a promising marker might be helpful in monitoring the damage created by stone disease.Öğe Which Endoscopic Methods in Prepubertal Patients with 10-20mm Bladder Stones: Transurethral Cystolithotripsy or Percutaneous Cystolithotripsy?(Mary Ann Liebert, Inc, 2021) Piskin, Mehmet Mesut; Ozkent, Mehmet Serkan; Kilinc, Muzafffer Tansel; Goger, Yunus Emre; Sonmez, Mehmet Giray; Balasar, MehmetBackground: The aim of this study was to evaluate the efficacy and safety of transurethral cystolithotripsy (TUC) and percutaneous cystolithotripsy (PCC) in prepubertal patients with 10-20mm bladder stones. Materials and Methods: The files of patients aged 12 years and under who were admitted to our clinic for bladder stones from January 2007 to January 2021 were reviewed retrospectively. Inclusion criteria were patients who were 12 years of age and under with 10-20mm bladder stones, and who underwent endoscopic surgery (TUC or PCC). None of the patients had prior bladder or stone surgery. The patients were divided into two groups (Group 1: PCC group, and Group 2: TUC group) and collected data (preoperative, intraoperative, and postoperative characteristics) were compared between the groups. Results: This study was enrolled 51 patients (21 patients in Group 1 and 30 patients in Group 2). The mean ages of the groups were similar (Group 1: 4.73.6; Group 2: 4.6 +/- 3.2; p=0.936). The mean stone size was 15.8 +/- 3.5 in Group 1, and 12.1 +/- 2.4mm in Group 2. It was higher in the PCC group than TUC group (p<0.001). The operative time was lower in Group 1 than Group 2 (36.412.9 vs 42.7 +/- 16.3 minutes, respectively), but there was no statistically significant difference between the groups (p=0.117). We achieved stone-free rate (SFR) for all the patients in both groups. Complications were observed in 4 (7.7%) cases. One female patient was in Group 1 and three male patients were in Group 2. There was no difference for complication rates between the groups (p=0.634). Conclusions: Endoscopic surgeries have almost become a routine method in the treatment of bladder stones. Despite larger stone size, PCC provides similar SFR compared with TUC along with a tendency of shorter operative time. However, the use of the TUC method in male toddlers could increase the risk of postoperative urinary retention. Hence, stone size and patient age should be considered in the selection of a surgical approach.
