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Background and Objective: High-resolution micro-ultrasound (microUS) is an advanced imaging tool. Our objective was to determine whether systematic microUS use for transrectal biopsy (TRBx) improves the detection rate for clinically significant prostate cancer (csPCa) in comparison to transperineal biopsy (TPBx) performed with magnetic resonance imaging (MRI)/conventional transrectal ultrasound (TRUS) fusion software., Methods: We retrospectively analyzed data for men who underwent prostate biopsies, including those on active surveillance (AS). TRBx was performed under microUS guidance, while MRI/TRUS fusion was consistently used to guide TPBx. Patients were matched according to propensity score matching (PSM). The primary endpoint was comparison of the csPCa detection rate with the two approaches. Secondary endpoints included predictors of csPCa (International Society of Urological Pathology grade group ≥2, assessed via multivariable logistic regression) and complication rates., Key Findings and Limitations: Overall, 1423 patients were enrolled. After applying PSM we identified an analytical cohort of 1094 men, 582 in the TRBx group and 512 in the TPBx group. There was no significant difference in the csPCa detection rate between the TRBx (45%) and TPBx (51%) groups ( p  = 0.07). Complications occurred in nine of 1094 patients (1%). On adjusted multivariable analysis, TPBx had a similar csPCa detection rate to TRBx (adjusted odds ratio [aOR] 1.26; p  = 0.09). Predictors of csPCa detection were a positive family history (aOR 1.68; 95% confidence interval [CI] 1.20-2.35; p  = 0.002); age (aOR 1.04, 95% CI 1.02-1.06; p  < 0.001); positive digital rectal examination (aOR 2.35, 95% CI 1.70-3.25; p  < 0.001); prostate-specific antigen density ≥0.15 ng/ml/cm 3 (aOR 3.23, 95% CI 2.47-4.23; p  < 0.001); and a Prostate Imaging-Reporting and Data System score ≥3 (aOR 2.46; 95% CI 1.83-3.32; p  < 0.001). Limitations include the retrospective nature of the study, the risk of underestimating the complication rate, and the heterogeneity of biopsy indications., Conclusions and Clinical Implications: TRBx using microUS alone showed a comparable csPCa detection rate to TPBx guided by MRI/TRUS fusion software. Given the better visualization and real-time detection of suspicious zones with microUS, the potential for improvement in the csPCa detection rate with greater integration of microUS in the TPBx setting warrants further investigation., Patient Summary: We compared the ability of two different prostate biopsy approaches to detect clinically significant prostate cancer. We found that transrectal biopsy guided by micro-ultrasound had similar detection rates to transperineal biopsy guided by a combination of magnetic resonance imaging and conventional ultrasound. More research is needed to confirm the potential of micro-ultrasound for transperineal biopsy., (© 2024 The Author(s).)

Active surveillance (AS) has been proposed as a possible management option for patients with recurrent low-grade non-muscle-invasive bladder cancer. Recent studies suggest that AS is a safe and effective management strategy. Nevertheless, a consensus statement is needed to standardize inclusion criteria and follow-up schedules., (Copyright © 2023 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Multiparametric magnetic resonance imaging (mpMRI) is an invaluable diagnostic tool in the decision-making for prostate biopsies (PBx). However, a non-negligible proportion of patients with negative MRI (nMRI) may still harbour prostate cancer (PCa)., Objective: To assess whether microultrasound (micro-US) can help in substratifying the presence of PCa and clinically significant PCa (csPCa; ie, any Gleason score ≥7 PCa) in patients with nMRI despite a persistently high clinical suspicion of PCa., Design Setting and Participants: A total of 125 biopsy-naïve patients who underwent micro-US-guided PBx with the ExactVu system for a persistently high suspicion of PCa despite nMRI were prospectively enrolled., Intervention: The Prostate Risk Identification using micro-US (PRI-MUS) protocol was used to identify suspicious areas; PBx included targeted sampling of PRI-MUS ≥3 areas and systematic sampling., Outcome Measurements and Statistical Analysis: The primary endpoint was the assessment of micro-US diagnostic accuracy in detecting csPCa. Secondary endpoints included determining the proportion of patients with nMRI who may avoid PBx after micro-US or transrectal US, presence of cribriform and intraductal patterns on biopsy core examination, predictors of csPCa in patients presenting with nMRI, and comparing micro-US-targeted and systematic PBx in identifying csPCa., Results and Limitations: Considering csPCa detection rate, micro-US showed optimal sensitivity and negative predictive value (respectively, 97.1% and 96.4%), while specificity and positive predictive value were 29.7% and 34.0%, respectively. Twenty-eight (22.4%) patients with a negative micro-US examination could have avoided PBx with one (2.9%) missed csPCa. Cribriform and intraductal patterns were found in 14 (41.2%) and four (11.8%) of csPCa patients, respectively. In multivariable logistic regression models, positive micro-US, age, digital rectal examination, and prostate-specific antigen density ≥0.15 emerged as independent predictors of PCa. Targeted and systematic sampling identified 33 (97.1%) and 26 (76.5%) csPCa cases, respectively. The main limitation of the current study is represented by its retrospective single-centre nature on an operator-dependent technology., Conclusions: Micro-US represents a valuable tool to rule out the presence of csPCa among patients with a persistent clinical suspicion despite nMRI., Patient Summary: According to our results, microultrasound (micro-US) may represent an effective tool for the diagnosis of clinically significant prostate cancer in patients with negative magnetic resonance imaging (nMRI), providing high sensitivity and negative predictive value. Further randomised studies are needed to confirm the potential role of micro-US in the diagnostic pathway of patients with a persistent suspicion of prostate cancer despite nMRI., (© 2022 The Author(s).)

Active surveillance (AS) has been proposed as an alternative to transurethral resection (TUR) in selected patients with recurrent low-risk non-muscle-invasive bladder cancer (NMIBC). Here we report long-term results for patients on AS and investigate features associated with AS failure. Cases with recurrence after diagnosis of low-grade (LG) pTa/pT1a NMIBC were enrolled in the Bladder Italian Active Surveillance (BIAS) project. Over 251 AS events, we observed 130 failures (51.8%). In these patients, final pathology showed 25 benign lesions (19.2%) and 92 LG Ta (70.7%), 12 high-grade Ta/T1 (9.2%), and one T2 (0.7%) tumor. The treatment-free probability at 12, 18, 24, and 36 mo was 59.7%, 54.5%, 46.3%, and 40.4%, respectively. We identified 95 patients (37.8%) who remained on AS for >18 mo. A multivariable Cox regression model confirmed that patients with a history of multiple TURs (hazard ratio [HR] 1.59, 95% confidence interval [CI] 1.01-2.51) and those with more than one lesion at AS entry (HR 1.63, 95% CI 1.05-2.54) were significantly more likely to experience AS failure. Our results confirm that well-selected patients with NMIBC can safely remain on AS for a long period of time. Multiple TURs and multiple lesions at AS enrollment are associated with a higher risk of AS failure. PATIENT SUMMARY: Active surveillance has been proposed as an alternative to surgery for patients with recurrent low-risk superficial bladder cancer. Our report confirms that well-selected patients can safely avoid or postpone surgery., (Copyright © 2021 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Active surveillance (AS) is a safe and accepted option for managing men with low-risk prostate cancer. Nevertheless, some patients lack confidence in or access to AS. Focal therapy (FT) is a possible alternative to radical treatment for such patients., Objective: We evaluated dominant tumor (DT) progression across serial biopsies to determine whether men on AS could be reasonable candidates for FT., Design, Setting, and Participants: Men enrolled in AS at University of California, San Francisco between 1996 and 2017 with low/intermediate risk were included., Outcome Measurements and Statistical Analysis: Changes in biopsy grade, volume, and focality of the DT over time were assessed. Focality (good or poor for FT) was defined by the number of cores, laterality, and contiguity of prostate sites containing tumor (based on pathology reports). Candidates (either for targeted/quadrant ablation or for hemigland ablation) were defined based on good focality, grade group (GG) ≤2, and low-volume disease. Patients were classified as favorable (GG ≤ 2 with good focality and concordant multiparametric magnetic resonance imaging [mpMRI]) or unfavorable (poor focality or high-volume disease or discordant mpMRI) for FT at surveillance biopsies., Results and Limitations: A total of 1057 men met the inclusion criteria. The median number of biopsies per patient was three (interquartile range 2-4), and 196 patients (18.5%) underwent five or more biopsies. At confirmatory biopsy, 43% remained candidates for FT (67% for targeted/quadrant ablation and 33% for hemigland ablation) and 20% had a negative biopsy. Of the candidates for FT at initial biopsy, 11% had less favorable characteristics at confirmatory biopsy. Among candidates for FT based on both initial and confirmatory biopsies, 70% remained favorable for hemigland ablation at subsequent biopsies. Limitations include retrospective design and mpMRI information only at surveillance biopsy., Conclusions: Serial biopsy findings in men with early-stage cancer on AS show that tumor location remains relatively stable and significant changes in grade and/or volume occur largely in the DT. Combined diagnostic and confirmatory biopsy findings help better select patients for FT than the use of the diagnostic biopsy alone., Patient Summary: In a large cohort of patients on active surveillance for prostate cancer, we evaluated changes across serial biopsies to identify potential candidates for focal therapy (FT). Our findings showed that the dominant tumor remained stable over time and the majority of men were favorable candidates for FT., (Copyright © 2020 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: The use of a nephron-sparing surgery for the treatment of localized renal masses is being pushed to more challenging cases. However, this procedure is not devoid of risks, and the Radius, Exophytic/Endophytic, Nearness, Anterior/Posterior, Location (RENAL) and Preoperative Aspects and Dimensions Used for an Anatomical (PADUA) classifications are commonly employed in the prediction of complications. Recently, the Simplified PADUA REnal (SPARE) scoring system has been proposed with the aim to provide a more simple system, to improve its reproducibility to predict postoperative risks., Objective: We aim to retrospectively validate and compare the proposed new SPARE system in a multi-institutional population., Design, Setting, and Participants: The Transatlantic Robotic Nephron-sparing Surgery (TRoNeS) study group collected data from 737 patients subjected to robot-assisted partial nephrectomy (RAPN) between 2010 and 2016 at three tertiary care referral centers. Of these patients, 536 presented complete demographic and clinical data., Outcome Measurements and Statistical Analysis: Renal masses were classified according to the SPARE, RENAL, and PADUA nephrometry scores, and surgical success was defined according to the margin, ischemia, and complication scores., Results and Limitations: Of 536 patients, 340 were male; the median age was 61 (53-69) yr and preoperative tumor size was 30 (22-43) mm. The margin, ischemia, and complication score was achieved in 399 of cases (74.4%). All three nephrometry scores were significant predictors of surgical outcomes both in univariate and in adjusted multivariate logistic regression model analysis. In accuracy analysis, the area under the curve (AUC) of the SPARE scoring system (0.73) was significantly higher than those of the PADUA (0.65) and RENAL (0.68) nephrometry scores in predicting surgical success., Conclusions: The SPARE score appears to be a promising and reliable score for the prediction of surgical outcomes of RAPN, showing a higher accuracy relative to the traditional PADUA and RENAL nephrometry scores. Further, prospective studies are warranted before its introduction in clinical practice., Patient Summary: The Simplified PADUA REnal (SPARE) score is a reproducible and simple nephrometry score, offering better predictive capabilities of surgical success and complications., (Copyright © 2020 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Multiparametric magnetic resonance imaging (MRI) represents the gold standard for the diagnosis of clinically significant prostate cancer (csPCa). The search for alternative diagnostic techniques is still ongoing., Objective: To determine the accuracy of microultrasound (microUS) for the diagnosis of csPCa within prospectively collected cohort of patients with a suspicion of prostate cancer (PCa) according to MRI., Design, Setting, and Participants: A total of 320 consecutive patients with at least one Prostate Imaging Reporting and Data System (PIRADS) ≥3 lesion according to MRI were prospectively enrolled., Intervention: All patients received microUS before prostate biopsy using the ExactVu system; the Prostate Risk Identification using microUS (PRI-MUS) protocol was used to identify targets. The urologists were blinded to MRI results until after the microUS targeting was completed. All patients received both targeted (based on either microUS or MRI findings) and randomized biopsies., Outcome Measurements and Statistical Analysis: The sensitivity and specificity of microUS to determine the presence of csPCa (defined as at least one core with a Gleason score ≥7 PCa) were determined. Multivariable logistic regression analysis was fitted to determine the predictors of csPCa., Results and Limitations: Clinically significant PCa was diagnosed in 116 (36.3%) patients. The sensitivity and negative predictive value of microUS for csPCa diagnosis were 89.7% and 81.5%, while specificity and positive predictive value were 26.0% and 40.8%, respectively. A combination of microUS-targeted and randomized biopsies would allow diagnosing the same proportion of csPCa as that diagnosed by an approach combining MRI-targeted and randomized biopsies (n = 113; 97.4%), with only three (2.6%) csPCa cases diagnosed by a microUS-targeted and three (2.6%) by an MRI-targeted approach. In a logistic regression model, an increasing PRI-MUS score was an independent predictor of csPCa (p ≤ 0.005). The main limitation of the current study is represented by the fact that all patients had suspicious MRI., Conclusions: Microultrasound is a promising imaging modality for targeted prostate biopsies. Our results suggest that a microUS-based biopsy strategy may be capable of diagnosing the great majority of cancers, while missing only few patients with csPCa., Patient Summary: According to our results, microultrasound (microUS) may represent an effective diagnostic alternative to magnetic resonance imaging for the diagnosis of clinically significant prostate cancer, providing high sensitivity and a high negative predictive value. Further randomized studies are needed to confirm the potential role of microUS in the diagnostic pathway of patients with a suspicion of prostate cancer., (Copyright © 2020 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Positron emission tomography (PET)/computed tomography (CT) with 68 Ga-labeled prostate-specific membrane antigen ligand ( 68 Ga-PSMA) may represent the most promising alternative to multiparametric magnetic resonance imaging (mpMRI) for prostate cancer (PCa) diagnosis., Objective: To test the diagnostic performance of 68 Ga-PSMA PET/CT in this clinical context., Design, Setting, and Participants: From January 2017 to December 2018 we prospectively enrolled 97 patients with persistently elevated prostate-specific antigen and/or Prostate Health Index score, negative digital rectal examination, and previous negative biopsy. We also included patients with either negative mpMRI or contraindications to or positive mpMRI but previous negative biopsy., Intervention: Patients underwent 68Ga-PSMA PET/CT with additional pelvic reconstruction., Outcome Measurements and Statistical Analysis: The primary endpoint of the study was the diagnostic performance of 68 Ga-PSMA PET/CT in detecting malignant lesions and clinically significant PCa (Gleason score [GS] ≥7)., Results and Limitations: 68 Ga-PSMA PET/transrectal ultrasound fusion biopsy was performed in 64 of 97 patients (66%) for 114 regions of interest (ROIs). Forty patients (41%) had already undergone mpMRI with either a negative result for PCa (n = 15; 22 ROIs) or a positive mpMRI result but a previous negative biopsy. According to pathology, 23 patients (36%) had evidence of PCa: eight (16 ROIs) with GS 6, 13 (21 ROIs) with GS 7 (3 + 4 or 4 + 3), one (2 ROIs) with GS 8, and one (2 ROIs) with GS 10. Clinically significant PCa was identified in four patients with previous negative mpMRI (25%). PET/CT demonstrated PCa in seven patients (14 ROIs) with previous positive mpMRI and negative biopsy. The median maximum standardized uptake value (SUVmax) and median SUV ratio were significantly higher for PCa lesions than for benign lesions (p <  0.001). Optimal cutoff points obtained for SUVmax (>5.4) and SUV ratio (>2.2) could identify clinically significant PCa with accuracy of 81% and 90%, respectively., Conclusions: In our cohort of patients with high suspicion of cancer, 68 Ga-PSMA PET/CT was capable of detecting malignancy and accurately identifying clinically relevant PCa., Patient Summary: Positron emission tomography/computed tomography with a 68 Ga-labeled ligand for prostate-specific membrane antigen is capable of detecting prostate cancer in patients with a high suspicion of cancer and a previous negative biopsy., (Copyright © 2020 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: En bloc resection (ERBT) is a valid alternative to piecemeal resection for non-muscle-invasive bladder cancer (NMIBC), guaranteeing pathological outcomes. However, very few studies investigated long-term oncological outcomes of ERBT., Objective: To report long-term oncological outcome of ERBT., Design Setting and Participants: This is a retrospective analysis of prospectively collected data. We included patients who underwent ERBT from June 2010 to February 2014, and were diagnosed with NMIBC at pathology evaluation., Outcome Measurements and Statistical Analysis: The primary study endpoint was recurrence-free survival at 5 yr. Secondary outcomes were presence of detrusor muscle, recurrence rate at the first follow-up cystoscopy, progression to muscle-invasive bladder cancer (MIBC) at 5 yr, and factors associated with long-term oncological outcomes. Kaplan-Meier curves were used to describe recurrence-free survival time. A univariate analysis was used to investigate factors associated with recurrence., Results and Limitations: Overall, 74 patients were included in this study. The median age was 71 (66-76) yr. Most of the patients presented with only one bladder tumor, and the median tumor diameter was 2 (interquartile range [IQR] 1-2.5) cm. After histopathological examination, eight, 35, and 31 patients were diagnosed with low-, intermediate-, and high-risk disease, respectively. All the en bloc resected tumors showed the presence of detrusor muscle. The median follow-up was 72 (IQR 66-90) mo. The recurrence rate at the first follow-up cystoscopy was 5.4% (four out of 74 patients). Overall, 57 (77%) patients were free of recurrence at 5 yr. No progression to MIBC was observed: progression-free survival was 100%. Limitations include retrospective design and small size., Conclusions: Our findings showed that ERBT for NMIBC presents an optimal long-term oncological outcome. Further studies with larger cohorts are necessary for confirming our preliminary results and for a direct comparison with the traditional piecemeal resection., Patient Summary: In case of superficial bladder tumors, transurethral resection of the entire tumor and its base in one piece seems to provide good long-term results in terms of recurrence and progression rates., (© 2021 The Author(s).)

Background: Radiation-induced cystitis is a common side effect of radiotherapy (RT) to the pelvic area. Hyaluronic acid (HA) and chondroitin sulfate (CS) are components of the urothelial mucosa and positive results have been obtained for intravesical HA/CS instillations for the treatment of urinary tract infections and bladder pain syndrome. HA/CS may also have a protective effect against RT bladder toxicity., Objective: To investigate whether HA and CS protect the urothelium during RT, alleviate lower urinary tract symptoms, and improve quality of life., Design Setting and Participants: This multicentre randomised controlled trial was conducted across seven centres in four countries. Male patients aged ≥18 yr scheduled to undergo primary intensity-modulated radiotherapy for localised prostate cancer were enrolled., Intervention: Patients were randomised to intravesical HA/CS plus an oral formulation of curcumin, quercetin, HA, and CS (group A) or no treatment (group B)., Outcome Measurements and Statistical Analysis: The primary endpoint was absolute changes from baseline to follow-up in urinary domain scores for the Expanded Prostate Cancer Index Composite (EPIC), the International Consultation on Incontinence Questionnaire-Male Lower Urinary Tract Symptoms (ICIQ-MLUTS), and the EuroQol Group EQ-5D-5L questionnaire. Data analysis for efficacy and safety outcomes was performed using an intention-to-treat (ITT) approach; the ITT population was defined as all randomised patients., Results and Limitations: Of 57 patients screened, 49 were enrolled and randomly assigned to either active treatment (group A, n  = 25) or the control (group B, n  = 24). Three patients in the control group withdrew after randomisation. Changes from baseline to 12 mo were worse in the control group for subtotal scores for urinary symptoms and impact of symptoms on quality of life and for the total score ( p  =  0.05, p  =  0.003, and p  =  0.008, respectively). There was a significant time × group interaction in favour of active treatment for the incontinence symptom score ( p  =  0.011) and bother score ( p  =  0.017). The absence of a sham procedure and/or placebo is the main limitation., Conclusions: Our results suggest that intravesical HA/CS in combination with an oral formulation may reduce urinary symptoms and improve QoL at short-term (1 yr) follow-up., Patient Summary: We investigated whether hyaluronic acid (HA) and chondroitin sulfate (CS) have a protective effect against the bladder toxicity of radiotherapy for prostate cancer. HA/CS used for weekly bladder irrigation for 6 wk and given orally with curcumin and quercetin for 12 wk reduced urinary incontinence symptoms and bother measured at 1-year follow-up. This may hold promise as a preventive treatment if the results are confirmed in further trials., (© 2021 The Authors.)

Background: The adoption of robotic technology in the treatment of prostate cancer (PCa) could lead to improvement in outcomes., Objective: To evaluate feasibility, to compare functional outcomes, and to assess the economic benefits of removing catheter on the postoperative day (POD) 3 versus POD 5 after robot-assisted radical prostatectomy (RARP)., Design, Setting, and Participants: From September 2016 to May 2017, patients selected to undergo RARP for clinically localized PCa at a high-volume center were prospectively randomized into group 1 (POD 3; n=72) versus group 2 (POD 5, n=74)., Intervention: All patients underwent RARP with anatomical posterior and anterior reconstruction., Outcome Measurements and Statistical Analysis: The primary endpoint was to compare acute urinary retention (AUR) and urinary leakage rate in the two groups. The secondary endpoints were early and mid-term postoperative functional outcomes assessed through questionnaires (ICIQ-MLUTS, IPSS), early continence rate, and postoperative pain/discomfort (visual analog scale score). The economic impact of early catheter removal was also assessed., Results and Limitations: AUR was reported in two (1.4%) cases, one for each study group (p=0.9). One case of vesicourethral leakage was reported (0.7%) in group 1. Urethral discomfort and pain at discharge was significantly higher in group 2 (p=0.03). In our clinical practice, POD 3 catheter removal approach would determine a saving of approximately €80 000 and 405 d of hospitalization yearly. The main limitation is the small sample size., Conclusions: Early catheter removal after RARP does not lead to an increase in perioperative complications. No negative effect on early and mid-term functional outcomes was observed. A significant impact on saving economic resources was reported., Patient Summary: We demonstrated that early catheter removal has no negative effect on spontaneous voiding, complications, or urinary continence recovery after robot-assisted radical prostatectomy., (Copyright © 2018 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: The use of internal urethrotomy for treatment of urethral stricture remains a controversial topic in urology., Objective: To investigate outcomes and predictors of failure for internal urethrotomy as primary treatment for untreated bulbar urethral strictures., Design, Setting, and Participants: We performed a retrospective analysis of patients who underwent internal urethrotomy. Patients with bulbar urethral stricture who did not receive any previous treatment were included. Patients with traumatic, penile or posterior urethral strictures, lichen sclerosus, failed hypospadias repair, or stricture length >4cm were excluded., Outcome Measurements and Statistical Analysis: The primary outcome was treatment failure. Kaplan-Meyer plots were used to depict treatment failure-free survival. Univariate and multivariable Cox regression analyses were used to test the association between predictors (age, body mass index, diabetes, history of smoking, etiology, stenosis type and length, preoperative maximum flow [pQ max ]) and treatment failure., Results and Limitations: Overall, 136 patients were included. The median stricture length was 2cm. Median follow-up was 55 mo. At 5-yr follow-up the failure-free survival rate was 57%. On univariate analysis, diabetes, nonidiopathic etiology, stricture length of 3-4cm, and pQ max were significantly associated with treatment failure. These predictors were included in a multivariable analysis, in which pQ max was the only significant predictor of treatment failure., Conclusions: Failure of internal urethrotomy for untreated bulbar urethral strictures greatly depends on pQ max flow at uroflowmetry. Patients with pQ max > 8ml/s have a high probability of success, while patients with pQ max <5ml/s have a low probability of success., Patient Summary: The use of internal urethrotomy in patients with an untreated bulbar urethral stricture should only be considered in selected cases., (Copyright © 2018 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Multiparametric magnetic resonance imaging (mpMRI) and MRI/ultrasound (US) fusion targeted biopsies are an increasingly popular alternative to randomized biopsies, but adoption of this technique has been limited owing to its additional costs and complexity. High-resolution micro-ultrasound (micro-US) is a real-time US-based imaging modality that allows real-time targeted prostate biopsies using the Prostate Risk Identification Using Micro-Ultrasound risk identification protocol. We compared the diagnostic accuracy of micro-US targeted biopsies (index test) and MRI/US fusion targeted biopsies (reference standard test) in detecting clinically significant prostate cancer (csPC), defined as Gleason ≥7 disease, in a prospectively collected cohort of 104 patients with suspected PC defined according to prostate-specific antigen, digital rectal examination, and the presence of at least one Prostate Imaging-Reporting and Data System ≥3 lesion at mpMRI. PC was diagnosed in 56 patients (54%) and csPC in 35 (34%). Micro-US sensitivity for csPC detection was 94%, with 33/35 csPC cases correctly identified. The negative predictive value was 90%, while the positive predictive value was 40% and the specificity was 28%. Of the 61 targeted zones concordant between micro-US and mpMRI, 24 were csPC. Discordant targeted lesions led to csPC discovery by micro-US in three cases and mpMRI in four cases. Both techniques missed one case for which csPC was diagnosed by systematic biopsies only. PATIENT SUMMARY: According to the results of our preliminary trial, micro-ultrasound may provide additional information regarding the presence or absence of clinically significant prostate cancer (PC) in patients with suspected PC. Further studies are warranted to investigate how this new imaging modality can best be leveraged within the PC diagnostic pathway., (Copyright © 2018 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: It has been shown that active surveillance (AS) is feasible and effective in a subset of patients with recurrent low-grade (LG) non-muscle-invasive bladder cancer (NMIBC)., Objective: To update a previous preliminary series and investigate pathological outcomes for patients who failed to remain on AS., Design, Setting, and Participants: Prospective observational cohort study started in February 2008, and currently still active, at a tertiary university hospital, including patients with pathologically confirmed NMIBC who experienced recurrence during follow-up., Intervention: AS monitoring consisted of cytology and in-office flexible cystoscopy every 3 mo for the first year, and every 6 mo thereafter., Outcome Measurements and Statistical Analysis: The primary endpoint was pathological results for patients who failed to remain on AS. The secondary outcome was an update of clinical results from our previous series. Data were complemented by descriptive statistical analysis and univariable and multivariable proportional hazards Cox regression., Results and Limitations: Overall, 167 patients were included. Of 181 AS events, 61 (33.7%) were deemed to require treatment because of positive cytology (n=10), gross haematuria (n=11), and increases in the tumour number (n=15), or size (n=17), or both (n=8). The median time on AS was 12 mo (interquartile range 4-26). Pathological specimens from AS failures did not show any malignancy in 20 cases. Histopathology identified urothelial hyperplasia and oedema, submucosal vascular ectasia, mucosal erosion, polypoid cystitis, von Brunn nest hyperplasia, and squamous metaplasia. The time from first transurethral resection to AS start was inversely associated with recurrence-free survival (hazard ratio 0.97, 95% confidence interval 0.96-1.00; p=0.024). The study lacks statistical subanalyses focusing on patients with failure and negative neoplastic pathological outcomes., Conclusions: AS might be a reasonable strategy in patients presenting with small LG pTa/pT1a recurrent bladder tumours. Approximately 30% of patients deemed to have AS failure did not harbour any neoplastic lesion, strengthening the role of AS., Patient Summary: Patients with small low-grade pTa/pT1a recurrent papillary bladder tumours could benefit from an active surveillance protocol with no significant risk of pathological progression to muscle-invasive cancer., (Copyright © 2018 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Context: Repeat transurethral resection (reTUR) is advocated as a fundamental step towards complete clearance and appropriate staging of T1 bladder cancer tumors., Objective: To assess the impact of reTUR in T1 bladder cancer via a systematic review of the literature and meta-analysis of available data sets., Evidence Acquisition: After definition of the population and of the outcome, a systematic search of English language articles in the literature from 1980 to 2016 was performed. The pooled prevalence of residual tumor and of upstaging at reTUR were assessed and computed using a random effects model to take into account heterogeneity showed by I 2 and Cochran's Q values. A sensitivity analysis was conducted to exclude excessive influence by a single study., Evidence Synthesis: Among the papers identified, 29 were selected. A total of 3566 and 2556 cases formed the study population for assessment of the prevalence of residual tumor and upstaging, respectively. The corresponding numbers for the subgroup with detrusor muscle involvement at the initial TUR were 1565 and 1187. The pooled prevalence was 0.56 (95% confidence interval [CI] 0.48-0.63) for residual tumor and 0.1 (95% CI 0.06-0.14) for upstaging to T2 at reTUR. The corresponding rates for the detrusor muscle subgroup were 0.47 (95% CI 0.33-0.62) and 0.1 (95% CI 0.06-0.14). The sensitivity analysis excluded an excessive influence of each of the studies examined., Conclusions: Pooled prevalence rates for residual tumor (∼50%) and upstaging to invasive disease (10%) at reTUR in T1 cases were high, and were stable among studies in different decades and for cases with detrusor muscle involvement at the initial TUR. Therefore, reTUR remains a fundamental procedure., Patient Summary: Repeat transurethral resection after a diagnosis of stage T1 bladder cancer is recommended given the high risk of misallocation to the proper treatment., (Copyright © 2017 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: The correlation between primary hypospadias repair and subsequent urethral strictures in adults has never been addressed., Objective: To evaluate the correlation between the site of primary hypospadias repair and the site of subsequent strictures and to investigate the predictive factors of failure after urethroplasty., Design, Setting, and Participants: An observational, retrospective, descriptive study of adult patients with urethral strictures following hypospadias surgery was carried out in a single centre., Intervention: Meatotomy, meatoplasty, end-to-end anastomosis, urethroplasty, perineostomy, urethrotomy, and fistula closure., Outcome Measurements and Statistical Analysis: We performed correlations between the site of primary hypospadias and the site of subsequent strictures, treatment failure, and patient lack of motivation for definitive treatment. Cross-tables, Kaplan-Meier curves, and logistic or Cox regression were used., Results and Limitations: A total of 408 patients, with median follow-up of 96 mo, were included. Concordance between the site of primary hypospadias repair and the site of subsequent strictures was observed. Multivariable analysis revealed that the number of previous operations needed for initial hypospadias repair was not associated with the risk of treatment failure (hazard ratio [HR] 0.96; 95% confidence Interval [CI] 0.88-1.04; p=0.3) or a lack of patient motivation (odds ratio 0.99, 95% CI 0.90-1.10; p=0.9). Length of stenosis (HR 1.38, 95% CI 1.11-1.71; p=0.004) and lichen sclerosus (HR 1.73, 95% CI 1.03-3.25; p=0.035) were associated with a higher risk of treatment failure. Our study is not representative of the entire population of patients with hypospadias repair., Conclusions: The stricture site is usually consistent with the site of hypospadias. Stricture length, but not the number of previous operations needed for primary hypospadias repair, was associated with the risk of failure., Patient Summary: The number of operations needed for hypospadias repair was not associated with failure of subsequent urethroplasty., (Copyright © 2017 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Risk prediction models for prostate cancer (PCa) have become important tools in reducing unnecessary prostate biopsies. The Prostate Health Index (PHI) may increase the predictive accuracy of such models., Objectives: To compare two PCa risk calculators (RCs) that include PHI., Design, Setting, and Participants: We evaluated the predictive performance of a previously developed PHI-based nomogram and updated versions of the European Randomized Study of Screening for Prostate Cancer (ERSPC) RCs based on digital rectal examination (DRE): RC3 (no prior biopsy) and RC4 (prior biopsy). For the ERSPC updates, the original RCs were recalibrated and PHI was added as a predictor. The PHI-updated ERSPC RCs were compared with the Lughezzani nomogram in 1185 men from four European sites. Outcomes were biopsy-detectable PC and potentially advanced or aggressive PCa, defined as clinical stage >T2b and/or a Gleason score ≥7 (clinically relevant PCa)., Results and Limitations: The PHI-updated ERSPC models had a combined area under the curve for the receiver operating characteristic (AUC) of 0.72 for all PCa and 0.68 for clinically relevant PCa. For the Lughezzani PHI-based nomogram, AUCs were 0.75 for all PCa and 0.69 for clinically relevant PCa. For men without a prior biopsy, PHI-updated RC3 resulted in AUCs of 0.73 for PCa and 0.66 for clinically relevant PCa. Decision curves confirmed these patterns, although the number of clinically relevant cancers was low., Conclusion: Differences between RCs that include PHI are small. Addition of PHI to an RC leads to further reductions in the rate of unnecessary biopsies when compared to a strategy based on prostate-specific antigen measurement., Patient Summary: Risk prediction models for prostate cancer have become important tools in reducing unnecessary prostate biopsies. We compared two risk prediction models for prostate cancer that include the Prostate Health Index. We found that these models are equivalent to each other, and both perform better than the prostate-specific antigen test alone in predicting cancer., (Copyright © 2015 European Association of Urology. Published by Elsevier B.V. All rights reserved.)

Background: Minimally invasive partial nephrectomy (MIPN) and laparoscopic renal cryoablation (LRC) are two treatment options increasingly used for small renal masses., Objective: To compare perioperative, oncologic, and functional outcomes after MIPN and LRC., Design, Setting, and Participants: We included 372 consecutive patients newly diagnosed with a single small renal mass and treated with either MIPN or LRC at a single institution., Intervention: MIPN and LRC., Outcome Measurements and Statistical Analysis: Regression models were used to evaluate the impact of surgical treatment (MIPN vs LRC) on perioperative, oncologic, and functional outcomes., Results and Limitations: Overall, 206 patients (55%) underwent MIPN and 166 (45%) were treated with LRC. In multivariate analysis, the rate of postoperative complications was significantly lower in the MIPN compared to the LRC group (20% vs 28%; adjusted difference -11%; p=0.02) after adjusting for age at surgery, American Society of Anesthesiologists score (1 vs 2 vs 3), and tumor size. The median follow-up was similar in the two groups (43 and 39 mo for MIPN and LRC, respectively). In univariate Cox regression analysis, treatment type was not significantly associated with disease-free survival (hazard ratio 1.06, 95% confidence interval [CI] 0.45-2.52; p=0.9). The disease-free survival rate at 5 yr was 92% in MIPN and 93% in LRC patients. In multivariate linear regression analysis, LRC was significantly associated with a higher estimated glomerular filtration rate (eGFR) at 6 mo compared to MIPN (coefficient 4.68, 95% CI 0.06-9.30; p=0.047) after adjusting for age at surgery, tumor size, and preoperative eGFR. There was no significant association between surgical treatment and postoperative eGFR at 3 yr after surgery (coefficient -2.36, 95% CI -7.55 to 2.83; p=0.4). Limitations include the retrospective study design and selection bias., Conclusions: MIPN and LRC provided similar cancer control and comparable renal function at intermediate-term follow-up. Both surgical techniques emerged as viable treatment options for patient newly diagnosed with a single small renal mass. Further multi-institutional studies with longer follow-up and nephrometry scores are needed to corroborate our findings., Patient Summary: In patients newly diagnosed with a single small renal mass, minimally invasive partial nephrectomy and laparoscopic renal cryoablation provided similar cancer control and comparable renal function at intermediate-term follow-up., (Copyright © 2015 European Association of Urology. Published by Elsevier B.V. All rights reserved.)