BJU InternationalPub Date : 2025-01-01Epub Date: 2024-08-26DOI: 10.1111/bju.16510
Ketaki Gharpure, Abraham Cherian
{"title":"Response to utilising the differential renal length index in paediatric pyeloplasty: clinical applications and considerations.","authors":"Ketaki Gharpure, Abraham Cherian","doi":"10.1111/bju.16510","DOIUrl":"10.1111/bju.16510","url":null,"abstract":"","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"177"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142071946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-07-11DOI: 10.1111/bju.16464
Bogdana Schmidt, Simon John Christoph Soerensen, Hriday P Bhambhvani, Richard E Fan, Indrani Bhattacharya, Moon Hyung Choi, Christian A Kunder, Chia-Sui Kao, John Higgins, Mirabela Rusu, Geoffrey A Sonn
{"title":"External validation of an artificial intelligence model for Gleason grading of prostate cancer on prostatectomy specimens.","authors":"Bogdana Schmidt, Simon John Christoph Soerensen, Hriday P Bhambhvani, Richard E Fan, Indrani Bhattacharya, Moon Hyung Choi, Christian A Kunder, Chia-Sui Kao, John Higgins, Mirabela Rusu, Geoffrey A Sonn","doi":"10.1111/bju.16464","DOIUrl":"10.1111/bju.16464","url":null,"abstract":"<p><strong>Objectives: </strong>To externally validate the performance of the DeepDx Prostate artificial intelligence (AI) algorithm (Deep Bio Inc., Seoul, South Korea) for Gleason grading on whole-mount prostate histopathology, considering potential variations observed when applying AI models trained on biopsy samples to radical prostatectomy (RP) specimens due to inherent differences in tissue representation and sample size.</p><p><strong>Materials and methods: </strong>The commercially available DeepDx Prostate AI algorithm is an automated Gleason grading system that was previously trained using 1133 prostate core biopsy images and validated on 700 biopsy images from two institutions. We assessed the AI algorithm's performance, which outputs Gleason patterns (3, 4, or 5), on 500 1-mm<sup>2</sup> tiles created from 150 whole-mount RP specimens from a third institution. These patterns were then grouped into grade groups (GGs) for comparison with expert pathologist assessments. The reference standard was the International Society of Urological Pathology GG as established by two experienced uropathologists with a third expert to adjudicate discordant cases. We defined the main metric as the agreement with the reference standard, using Cohen's kappa.</p><p><strong>Results: </strong>The agreement between the two experienced pathologists in determining GGs at the tile level had a quadratically weighted Cohen's kappa of 0.94. The agreement between the AI algorithm and the reference standard in differentiating cancerous vs non-cancerous tissue had an unweighted Cohen's kappa of 0.91. Additionally, the AI algorithm's agreement with the reference standard in classifying tiles into GGs had a quadratically weighted Cohen's kappa of 0.89. In distinguishing cancerous vs non-cancerous tissue, the AI algorithm achieved a sensitivity of 0.997 and specificity of 0.88; in classifying GG ≥2 vs GG 1 and non-cancerous tissue, it demonstrated a sensitivity of 0.98 and specificity of 0.85.</p><p><strong>Conclusion: </strong>The DeepDx Prostate AI algorithm had excellent agreement with expert uropathologists and performance in cancer identification and grading on RP specimens, despite being trained on biopsy specimens from an entirely different patient population.</p>","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"133-139"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11628895/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141578863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-08-27DOI: 10.1111/bju.16518
Holly A Roy, Christopher Roy, Heidi Tempest, Alexander L Green, Ricarda A L Menke
{"title":"Urinary continence networks in Parkinson's disease: a resting state functional MRI study.","authors":"Holly A Roy, Christopher Roy, Heidi Tempest, Alexander L Green, Ricarda A L Menke","doi":"10.1111/bju.16518","DOIUrl":"10.1111/bju.16518","url":null,"abstract":"","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"57-59"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11628875/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142079084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-07-31DOI: 10.1111/bju.16486
Mohamad Abou Chakra, Riitta Lassila, Nancy El Beayni, Sarah L Mott, Michael A O'Donnell
{"title":"Prognostic role of the neutrophil/lymphocyte ratio in high-risk BCG-naïve non-muscle-invasive bladder cancer treated with intravesical gemcitabine/docetaxel.","authors":"Mohamad Abou Chakra, Riitta Lassila, Nancy El Beayni, Sarah L Mott, Michael A O'Donnell","doi":"10.1111/bju.16486","DOIUrl":"10.1111/bju.16486","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the role of pretreatment neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) in the prediction of response to sequential intravesical therapy, gemcitabine and docetaxel (Gem/Doce), given to patients with bacille Calmette-Guérin (BCG)- naïve high-risk non-muscle-invasive bladder cancer (NMIBC).</p><p><strong>Patients and methods: </strong>A retrospective analysis was conducted on 115 patients who received intravesical Gem/Doce for high-risk NMIBC between January 2011 and December 2021. Data were computed as the median (interquartile range [IQR]) or mean (standard deviation [sd]). Cox regression analysis was performed to determine if neutrophilia, NLR, platelet counts, and PLR before instillation therapy were predictive of recurrence-free survival (RFS) and overall survival (OS). Predictive performance was estimated using Uno's C-statistic.</p><p><strong>Results: </strong>The median (IQR) follow-up for the overall cohort was 23 (13-36) months. The mean (sd) values for NLR, PLR and platelet counts were 3.4 (2.3), 142.2 (85.5), and 225.2 (75.1) × 10<sup>9</sup>/L, respectively. NLR was associated with RFS, with a hazard ratio of 1.32 (95% confidence interval CI 1.19-1.46). Concordance analysis showed that NLR had a good ability to predict RFS (C-index: 0.7, P < 0.01). The PLR and platelet count were not associated with RFS and did not predict recurrence. In terms of OS, none of these cellular inflammatory markers showed any prediction value.</p><p><strong>Conclusion: </strong>Pre-treatment NLR provides some predictive accuracy for RFS in high-risk BCG-naïve patients receiving Gem/Doce. Further prospective trials are needed to validate this finding.</p>","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"125-132"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141854668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-08-26DOI: 10.1111/bju.16520
Muhammad Ali, Young Suk Kwon, Kendrick Koo, Anna Bruynzeel, David Pryor, Daniel G Schep, Michael Huo, Maggie Stein, Anand Swaminath, Raquibul Hannan, Shankar Siva
{"title":"Salvage stereotactic ablative body radiotherapy after thermal ablation of primary kidney cancer.","authors":"Muhammad Ali, Young Suk Kwon, Kendrick Koo, Anna Bruynzeel, David Pryor, Daniel G Schep, Michael Huo, Maggie Stein, Anand Swaminath, Raquibul Hannan, Shankar Siva","doi":"10.1111/bju.16520","DOIUrl":"10.1111/bju.16520","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the effectiveness and safety of salvage stereotactic ablative body radiotherapy (SABR) for recurrent renal cell carcinoma (RCC) after thermal ablation (TA).</p><p><strong>Materials and methods: </strong>This study was a multi-institutional retrospective analysis of patients with recurrent RCC following TA who received SABR between 2016 and 2020. The primary study outcome was freedom from local failure, evaluated radiographically based on Response Evaluation Criteria in Solid Tumours (RECIST) v1.1. Distant failure, cancer-specific survival (CSS), overall survival (OS), treatment-related toxicity and renal function changes following SABR were the secondary outcomes. The Kaplan-Meier method was used to estimate freedom from local and distant failure, CSS and OS.</p><p><strong>Results: </strong>Seventeen patients with 18 biopsy-confirmed RCCs were included, with a median (interquartile range [IQR]) age at time of SABR of 75.2 (72.6-68.7) years, a median (IQR) tumour size of 3.5 (1.9-4.1) cm and follow-up (reverse Kaplan-Meier method) of 3.36 (95% confidence interval [CI] 1.6-4.1) years. Six of the 17 patients had a solitary kidney. Five patients had failed repeat TA prior to SABR. The median (IQR) time from TA procedure to SABR was 3.03 (1.5-5.1) years. No patient experienced local progression, with a local control rate of 100%. Four patients, two with baseline metastatic disease, experienced distant progression. The distant progression-free survival, CSS and OS at 3 years were 72.1% (95% CI 51.9%-100%), 92.3% (95% CI 78.9%-100%) and 82.1% (95% CI 62.1%-100%), respectively. The median (IQR) glomerular filtration rate before SABR was 58 (40-71) mL/min, and at last follow-up, it was 48 (33-57) mL/min. No patient experienced grade 3+ toxicity or went on to develop end-stage renal disease.</p><p><strong>Conclusion: </strong>The results showed that SABR appears to be an effective and safe salvage strategy in patients with recurrent RCC following TA.</p>","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"110-116"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142071947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-11-06DOI: 10.1111/bju.16574
Kato Rans, Karolien Goffin, Steven Joniau, Gedske Daugaard, Julie den Hartog, Lodewijk Van Wynsberge, Gert De Meerleer
{"title":"The impact of progression-directed therapy on survival in metastatic castration-refractory prostate cancer: MEDCARE phase 3 trial.","authors":"Kato Rans, Karolien Goffin, Steven Joniau, Gedske Daugaard, Julie den Hartog, Lodewijk Van Wynsberge, Gert De Meerleer","doi":"10.1111/bju.16574","DOIUrl":"10.1111/bju.16574","url":null,"abstract":"<p><strong>Background: </strong>Metastatic castration-refractory prostate cancer (mCRPC) presents a therapeutic challenge despite advancements in treatment. Once mCRPC is attained, patients face limited survival prospects. Next-line systemic treatment (NEST) is the standard of care for progressive mCRPC, encompassing various therapeutic options with associated toxicity and costs. In patients with oligoprogressive mCRPC, data suggest that progression-directed therapy (PDT), such as metastasectomy or stereotactic body radiotherapy, delays the initiation of NEST.</p><p><strong>Methods and design: </strong>The MEDCARE phase III trial aims to assess the impact of PDT on overall survival (OS) in oligoprogressive mCRPC. In this multicentric, randomised, prospective trial, we aim to randomise 246 patients in 1:1 allocation ratio between the standard-of-care therapy (surveillance or NEST) or PDT while continuing the current systemic treatment. Patients will be stratified based on number of progressive lesions (one vs ≥one), location of progressive lesions (local recurrence, N or M1a vs M1b or M1c) and previous systemic therapy (palliative androgen-deprivation therapy [pADT] vs pADT + androgen receptor-targeted agent or patients who received docetaxel in the past). The primary endpoint is OS, and the secondary endpoints include quality of life, radiographic progression-free survival (PFS), modified PFS, prostate cancer-specific survival and PDT-induced toxicity.</p><p><strong>Discussion: </strong>This is the first randomised phase 3 trial in the setting of PDT in patients with oligoprogressive mCRPC with OS as the primary endpoint.</p>","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"63-70"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-08-26DOI: 10.1111/bju.16512
Jiayi Li, Weiping Zhang
{"title":"Utilising the differential renal length index in paediatric pyeloplasty: clinical applications and considerations.","authors":"Jiayi Li, Weiping Zhang","doi":"10.1111/bju.16512","DOIUrl":"10.1111/bju.16512","url":null,"abstract":"","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"176"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142071948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-10-08DOI: 10.1111/bju.16542
Cristina Cano Garcia, Andreas Becker
{"title":"Response to letter 'Bladder-centric benign prostatic hyperplasia management post-laser enucleation of the prostate'.","authors":"Cristina Cano Garcia, Andreas Becker","doi":"10.1111/bju.16542","DOIUrl":"10.1111/bju.16542","url":null,"abstract":"","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"181"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BJU InternationalPub Date : 2025-01-01Epub Date: 2024-07-04DOI: 10.1111/bju.16457
Peter Ka-Fung Chiu, Alex Qinyang Liu, Sui-Yan Lau, Jeremy Yuen-Chun Teoh, Chi-Chun Ho, Chi-Hang Yee, See-Ming Hou, Chi-Kwok Chan, Wai-Lun Tang, Chris H Bangma, Peggy Sau-Kwan Chu, Wing-Tat Poon, Chi-Fai Ng, Monique J Roobol
{"title":"A 2-year prospective evaluation of the Prostate Health Index in guiding biopsy decisions in a large cohort.","authors":"Peter Ka-Fung Chiu, Alex Qinyang Liu, Sui-Yan Lau, Jeremy Yuen-Chun Teoh, Chi-Chun Ho, Chi-Hang Yee, See-Ming Hou, Chi-Kwok Chan, Wai-Lun Tang, Chris H Bangma, Peggy Sau-Kwan Chu, Wing-Tat Poon, Chi-Fai Ng, Monique J Roobol","doi":"10.1111/bju.16457","DOIUrl":"10.1111/bju.16457","url":null,"abstract":"<p><strong>Objectives: </strong>To prospectively evaluate how the Prostate Health Index (PHI) impacts on clinical decision in a real-life setting for men with a prostate-specific antigen (PSA) level between 4 and 10 ng/mL and normal digital rectal examination.</p><p><strong>Patients and methods: </strong>Since 2016, the PHI has been available at no cost to eligible men in all Hong Kong public hospitals. All eligible patients who received PHI testing in all public Urology units (n = 16) in Hong Kong between May 2016 and August 2017 were prospectively included and followed up. All included men had a PHI test, with its result and implications explained; the subsequent follow-up plan was then decided via shared decision-making with urologists. Patients were followed up for 2 years, with outcomes including prostate biopsy rates and biopsy findings analysed in relation to the initial PHI measurements.</p><p><strong>Results: </strong>A total of 2828 patients were followed up for 2 years. The majority (82%) had PHI results in the lower risk range (score <35). Knowing the PHI findings, 83% of the patients with elevated PSA decided not to undergo biopsy. In all, 11% and 45% opted for biopsy in the PHI score <35 and ≥35 groups, respectively. The initial detection rate of International Society of Urological Pathology (ISUP) Grade Group (GG) ≥2 cancer was higher in the PHI score ≥35 group (23%) than in the PHI score <35 group (7.9%). Amongst patients with no initial positive biopsy findings, the subsequent positive biopsy rate for ISUP GG ≥2 cancer was higher in the PHI score ≥35 group (34%) than the PHI score <35 group (13%) with a median follow-up of 2.4 years.</p><p><strong>Conclusion: </strong>In a real-life setting, with the PHI incorporated into the routine clinical pathway, 83% of the patients with elevated PSA level decided not to undergo prostate biopsy. The PHI pathway also improved the high-grade prostate cancer detection rate when compared to PSA-driven strategies. Higher baseline PHI predicted subsequent biopsy outcome at 2 years. The PHI can serve as a tool to individualise biopsy decisions and frequency of follow-up visits.</p>","PeriodicalId":8985,"journal":{"name":"BJU International","volume":" ","pages":"71-77"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11628905/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141497028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}