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van Gennep EJ, Claps F, Bostrom PJ, Shariat SF, Neuzillet Y, Zlotta AR, Trombetta C, Eckstein M, Mertens LS, Bussani R, Burger M, Boormans JL, Wullich B, Hartmann A, Mayr R, Pavan N, Bartoletti R, Mir MC, Pouessel D, van der Hoeven J, van der Kwast TH, Allory Y, Zuiverloon TC, Lotan Y, van Rhijn BW. Multi-Center Assessment of Lymph-Node Density and Nodal-Stage to Predict Disease-Specific Survival in Patients with Bladder Cancer Treated by Radical Cystectomy. Bladder Cancer 2024; 10:119-132. [PMID: 39131875 PMCID: PMC11308645 DOI: 10.3233/blc-230086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 04/08/2024] [Indexed: 08/13/2024]
Abstract
BACKGROUND Prognostic tools in pathological-node (pN) patients after radical cystectomy (RC) are needed. OBJECTIVES To evaluate the prognostic impact of lymph node (LN)-density on disease-specific survival (DSS) in patients with bladder cancer (BC) undergoing RC with pelvic lymph node dissection. METHODS We analyzed a multi-institutional cohort of 1169 patients treated with upfront RC for cT1-4aN0M0 urothelial BCat nine centers. LN-densitywas calculated as the ratio of the number of positive LNs×100% to the number of LNs removed. The optimal LN-density cut-off value was defined by creating a time-dependent receiver operating characteristic (ROC) curve in pN patients. Univariable and multivariable Cox' regression analyses were used to assess the effect of conventional Tumor Nodes Metastasis (TNM) nodal staging system, LN-density and other LN-related variables on DSS in the pN-positive cohort. RESULTS Of the 1169 patients, 463 (39.6%) patients had LN-involvement. The area under the ROC curve was 0.60 and the cut-off for LN-density was set at 20%, 223 of the pN-positive patients (48.2%) had a LN-density ≥ 20%. In multivariable models, the number of LN-metastases (HR 1.03, p = 0.005) and LN-density, either as continuous (HR 1.01, p = 0.013) or as categorical variable (HR 1.37, p = 0.014), were independently associated with worse DSS, whereas pN-stage was not. CONCLUSIONS LN-density ≥ 20% was an independent predictor of worse DSS in BC patients with LN-involvement at RC. The integration of LN-density and other LN-parameters rather than only conventional pN-stage may contribute to a more refined risk-stratification in BC patients with nodal involvement.
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Affiliation(s)
- Erik J. van Gennep
- Department of Surgical Oncology (Urology), Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
- Department of Urology, Leiden University Medical Center, Leiden, The Netherlands
| | - Francesco Claps
- Department of Surgical Oncology (Urology), Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
- Department of Urology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Medicine, Surgery and Health Sciences, Urological Clinic, University of Trieste, Trieste, Italy
| | - Peter J. Bostrom
- Department of Surgery (Urology) and Surgical Oncology, University Health Network, Princess Margaret Cancer Center, University of Toronto, Toronto, ON, Canada
- Department of Urology, Turku University Hospital and University of Turku, Turku, Finland
| | - Shahrokh F. Shariat
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Department of Urology, Weill Cornell Medical College, New York, NY, USA
- Department of Urology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Yann Neuzillet
- Department of Surgical Oncology (Urology), Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
- Molecular Oncology Team, Institut Curie, CNRS, UMR144, PSL Research University, Paris, France
- Department of Urology, Hôpital Foch, UVSQ-Paris-Saclay University, Suresnes, France
| | - Alexandre R. Zlotta
- Department of Surgery (Urology) and Surgical Oncology, University Health Network, Princess Margaret Cancer Center, University of Toronto, Toronto, ON, Canada
| | - Carlo Trombetta
- Department of Medicine, Surgery and Health Sciences, Urological Clinic, University of Trieste, Trieste, Italy
| | - Markus Eckstein
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Laura S. Mertens
- Department of Surgical Oncology (Urology), Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Rossana Bussani
- Department of Pathology, University of Trieste, Trieste, Italy
| | - Maximilian Burger
- Department of Urology, Caritas St Josef Medical Center, University of Regensburg, Regensburg, Germany
| | - Joost L. Boormans
- Department of Urology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
| | - Bernd Wullich
- Department of Urology and Pediatric Urology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Arndt Hartmann
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Roman Mayr
- Department of Urology, Caritas St Josef Medical Center, University of Regensburg, Regensburg, Germany
| | - Nicola Pavan
- Department of Medicine, Surgery and Health Sciences, Urological Clinic, University of Trieste, Trieste, Italy
| | - Riccardo Bartoletti
- Department of Translational Research and New Technologies, Unit of Urology, University of Pisa, Pisa, Italy
| | - M. Carmen Mir
- Department of Urology, Hospital Universitario La Ribera, Valencia, Spain
| | - Damien Pouessel
- Molecular Oncology Team, Institut Curie, CNRS, UMR144, PSL Research University, Paris, France
- Department of Medical Oncology, Claudius Regaud Institute, Toulouse University Cancer Center (IUCT) Oncopole, Toulouse, France
| | | | - Theo H. van der Kwast
- Department of Pathology, University Health Network, Princess Margaret Cancer Center, University of Toronto, Toronto, ON, Canada
| | - Yves Allory
- Molecular Oncology Team, Institut Curie, CNRS, UMR144, PSL Research University, Paris, France
- Department of Pathology, Institut Curie, Paris, France
| | - Tahlita C.M. Zuiverloon
- Department of Urology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
| | - Yair Lotan
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Bas W.G. van Rhijn
- Department of Surgical Oncology (Urology), Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
- Department of Surgery (Urology) and Surgical Oncology, University Health Network, Princess Margaret Cancer Center, University of Toronto, Toronto, ON, Canada
- Department of Urology, Caritas St Josef Medical Center, University of Regensburg, Regensburg, Germany
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Yan D, He Q, Pei L, Yang M, Huang L, Kong J, He W, Liu H, Xu S, Qin H, Lin T, Huang J. The APC/C E3 ligase subunit ANAPC11 mediates FOXO3 protein degradation to promote cell proliferation and lymph node metastasis in urothelial bladder cancer. Cell Death Dis 2023; 14:516. [PMID: 37573356 PMCID: PMC10423259 DOI: 10.1038/s41419-023-06000-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 06/18/2023] [Accepted: 07/14/2023] [Indexed: 08/14/2023]
Abstract
Urothelial bladder cancer (UBC) is one of the most prevalent malignancies worldwide, with striking tumor heterogeneity. Elucidating the molecular mechanisms that can be exploited for the treatment of aggressive UBC is a particularly relevant goal. Protein ubiquitination is a critical post-translational modification (PTM) that mediates the degradation of target protein via the proteasome. However, the roles of aberrant protein ubiquitination in UBC development and the underlying mechanisms by which it drives tumor progression remain unclear. In this study, taking advantage of clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated protein (Cas) 9 technology, we identified the ubiquitin E3 ligase ANAPC11, a critical subunit of the anaphase-promoting complex/cyclosome (APC/C), as a potential oncogenic molecule in UBC cells. Our clinical analysis showed that elevated expression of ANAPC11 was significantly correlated with high T stage, positive lymph node (LN) metastasis, and poor outcomes in UBC patients. By employing a series of in vitro experiments, we demonstrated that ANAPC11 enhanced the proliferation and invasiveness of UBC cells, while knockout of ANAPC11 inhibited the growth and LN metastasis of UBC cells in vivo. By conducting immunoprecipitation coupled with mass spectrometry, we confirmed that ANAPC11 increased the ubiquitination level of the Forkhead transcription factor FOXO3. The resulting decrease in FOXO3 protein stability led to the downregulation of the cell cycle regulator p21 and decreased expression of GULP1, a downstream effector of androgen receptor signaling. Taken together, these findings indicated that ANAPC11 plays an oncogenic role in UBC by modulating FOXO3 protein degradation. The ANAPC11-FOXO3 regulatory axis might serve as a novel therapeutic target for UBC.
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Affiliation(s)
- Dong Yan
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qingqing He
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Lu Pei
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Meihua Yang
- Department of Urology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Lifang Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianqiu Kong
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wang He
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hao Liu
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shizhong Xu
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Haide Qin
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Tianxin Lin
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Jian Huang
- Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
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Zhu Z, Li X, Liu D, Li Z. A novel signature of aging-related genes associated with lymphatic metastasis for survival prediction in patients with bladder cancer. Front Oncol 2023; 13:1140891. [PMID: 37441420 PMCID: PMC10335803 DOI: 10.3389/fonc.2023.1140891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 06/12/2023] [Indexed: 07/15/2023] Open
Abstract
Background The predominant and most prevalent form of metastatic bladder cancer (BCa) is lymphatic metastasis, which is associated with a highly dismal prognosis for patients. Aging-related genes (ARGs) are believed to contribute significantly to tumor development. However, the effect of ARGs on lymphatic metastasis of BCa is unclear. This research sought to establish a prognosis model based on ARGs associated with lymphatic metastasis in BCa. Methods We downloaded BCa data from the TCGA and GEO databases and ARGs from the Aging Atlas database. The least absolute shrinkage and selection operator (LASSO) approach was applied to obtain the characteristic ARGs of risk signature in the TCGA cohort. Verification was done using the GSE13507 dataset. The R package 'ConsensusClusterPlus' was employed to identify the molecular subtypes based on the characteristic ARGs. Protein-Protein interaction network, MCODE analysis, enrichment analysis (KEGG, GO, GSEA), and immune infiltration analysis were performed to investigate underlying mechanisms. EdU, migration and invasion assays, wound healing assays, immunofluorescence staining, and quantitative polymerase chain reaction were conducted to evaluate the impact of ELN on the proliferative, migratory, and invasive capacities of BCa cells. Results We identified 20 differently expressed ARGs. A four ARGs risk signature (EFEMP1, UCHL1, TP63, ELN) was constructed in the TCGA cohort. The high-risk group (category) recorded a reduced overall survival (OS) rate relative to the low-risk category (hazard ratio, 2.15; P <0.001). The risk score could predict lymphatic metastasis in TCGA cohort (AUC=0.67). The GSE13507 dataset was employed to verify the validity of this risk score. Based on the four ARGs, two distinct aging profiles (Cluster 1 and Cluster 2) were discovered utilizing the ConsensusClusterPlus, and Cluster 2 possessed a favorable OS in contrast with Cluster 1 (hazard ratio, 0.69; P =0.02). Classical tumor signaling pathways, ECM-associated signaling pathways, and immune-related signaling pathways participate in BCa progression. ELN recombinant protein affected the expression of collagen and increased migration and invasiveness in BCa cells. Conclusion We constructed a four-ARG risk signature and identified two aging molecular subtypes. This signature could serve as an effective survival predictor for patients with BCa.
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Affiliation(s)
- Zhiguo Zhu
- Department of Urology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- Medical Research Center, Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, Jining, China
- The Seventh Affiliated Hospital (Shenzhen), Sun Yet-sen University, Shenzhen, China
| | - Xiaoli Li
- The Seventh Affiliated Hospital (Shenzhen), Sun Yet-sen University, Shenzhen, China
| | - Deqian Liu
- Department of Urology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Zhonghai Li
- Department of Urology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
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Chun J, Kim YW, Seo-Rin J, Cho H, Kim KP, Hwang DW, Hong SM. Prognostic Significance of Extranodal Extension of Nodal Metastasis in Adenocarcinoma of the Ampulla of Vater. Hum Pathol 2023; 137:36-47. [PMID: 37088435 DOI: 10.1016/j.humpath.2023.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
Although nodal metastasis (NM) is an important prognostic factor of ampullary adenocarcinoma, the prognostic implication of extranodal extension (ENE) is not well characterized. NM with ENE status was investigated in 279 surgically resected ampullary adenocarcinoma patients and compared with other clinicopathologic factors, including overall survival (OS) and recurrence-free survival (RFS). Expression of epithelial-mesenchymal transition (EMT) markers, including E-cadherin, Twist, and Snail, was assessed in a subset of the cohort. NM was observed in 94 cases (33.7%), of which ENE was observed in 32 cases (34%). NM with ENE was more frequently associated with tumors with poor differentiation than NM without ENE (P=0.017). The 5-year OS and RFS rates of patients with NM and ENE was significantly worse (13.0% and 6.3%) than those with NM without ENE (37.7% and 21.4%) and those without NM (57.6% and 50.2%, respectively; P<0.001). When pN category was matched, the OS and RFS was worse in patients with ENE than in those without ENE (P<0.05). Moreover, the expression of E-cadherin and Twist was significantly different between NM areas with and without ENE (all, P<0.001). Since ENE was associated with poorly differentiated ampullary adenocarcinomas and showed different expression of EMT markers, EMT could be a possible mechanism of ENE. Ampullary adenocarcinoma patients with ENE had worse OS and RFS than those without ENE. Therefore, evaluation of ENE can provide additional survival information for patients with surgically resected ampullary carcinoma.
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Affiliation(s)
- Jihyun Chun
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yeon Wook Kim
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Jeong Seo-Rin
- Department of Statistics, Korea University, Seoul, Republic of Korea
| | - HyunhJun Cho
- Department of Statistics, Korea University, Seoul, Republic of Korea
| | - Kyu-Pyo Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Dae Wook Hwang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Kjøbli E, Salvesen Ø, Langørgen S, Størkersen Ø, Wibe A, Arum C. En bloc radical cystectomy: An overview of the technique and oncological results. BJUI COMPASS 2023; 4:195-205. [PMID: 36816150 PMCID: PMC9931536 DOI: 10.1002/bco2.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/19/2022] [Accepted: 08/21/2022] [Indexed: 11/06/2022] Open
Abstract
Objectives To reduce recurrence after radical cystectomy (RC), we developed a technique based on the principles of the circumferential resection margin used during total mesorectal excision for rectal cancer, namely, en bloc radical cystectomy (EbRC). Patients and methods The study included all patients in Mid-Norway (population of 739 k) with high-grade superficial or muscle invasive bladder cancer considered for radical treatment according to European guidelines, from January 2012 to August 2021, except for three patients receiving trimodal therapy. One hundred forty-five patients were treated with EbRC and 188 patients with standard RC (stdRC). There were no exclusion criteria. Both groups included open and robot-assisted techniques. EbRC entails cystectomy with extended pelvic lymph node dissection. The technique focuses on systematic uninterrupted mobilisation of all lymphatic tissue from the circumferential resection margin towards the bladder pedicles, and resecting the tissue en bloc with the bladder. Results The 3-year recurrence-free survival (RFS) was 86% for EbRC versus 67% for stdRC. The hazard ratio for overall survival in multivariable cox regression analyses after EbRC versus stdRC was 0.30 (95% CI 0.16-0.57, p ≤ 0.001). The improved outcomes persisted in propensity score-matched analyses. There were no differences in Clavien-Dindo 3 and 4 complications (12.4% vs. 11.7%), nor 90-day mortality (2.1% vs. 1.6%). Conclusion Improved oncological results with EbRC versus stdRC mirror the historical data after total mesorectal excision was initiated over 35 years ago in rectal cancer surgery. EbRC is safe and the preliminary oncological results are promising.
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Affiliation(s)
- Eirik Kjøbli
- Department of Clinical and Molecular MedicineNorwegian University of Science and Technology (NTNU)TrondheimNorway
- Department of Surgery, St. Olavs HospitalTrondheim University HospitalTrondheimNorway
| | - Øyvind Salvesen
- Department of Clinical and Molecular MedicineNorwegian University of Science and Technology (NTNU)TrondheimNorway
| | - Sverre Langørgen
- Department of Radiology and Nuclear Medicine, St. Olavs HospitalTrondheim University HospitalTrondheimNorway
| | - Øystein Størkersen
- Department of Pathology, St. Olavs HospitalTrondheim University HospitalTrondheimNorway
| | - Arne Wibe
- Department of Clinical and Molecular MedicineNorwegian University of Science and Technology (NTNU)TrondheimNorway
- Department of Surgery, St. Olavs HospitalTrondheim University HospitalTrondheimNorway
| | - Carl‐Jørgen Arum
- Department of Clinical and Molecular MedicineNorwegian University of Science and Technology (NTNU)TrondheimNorway
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Gabriel PE, Pinar U, Parra J, Vaessen C, Mozer P, Chartier-Kastler E, Rouprêt M, Seisen T. [Pathological pelvic lymph node involvement in muscle-invasive bladder cancer patients treated with radical cystectomy: A narrative review]. Prog Urol 2023; 33:145-154. [PMID: 36604248 DOI: 10.1016/j.purol.2022.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE To perform a narrative review of the contemporary literature on the diagnosis, prognosis and adjuvant management of muscle-invasive bladder cancer (MIBC) patients with pathological pelvic lymph node involvement (pN+) at radical cystectomy. METHOD A narrative review of the contemporary literature available on Medline was conducted to report studies evaluating the diagnosis, prognosis and/or adjuvant treatments for MIBC patients with pN+ disease at radical cystectomy. RESULTS Open or robotic extended pelvic lymph node dissection up to the crossing of the ureter with common iliac vessels can enhance the diagnosis of pN+ MIBC, especially using separate packages for the submission of a maximum number of lymph nodes. The main prognosis factors for pN+ patients are the number of positive and retrieved lymph nodes, lymph node density, extranodal extension as well as lymph node metastasis diameter. Adjuvant chemotherapy is likely to prolong overall survival in pN+ patients treated with radical cystectomy alone while adjuvant immunotherapy using nivolumab has been shown to decrease the risk of recurrence in all pN+ patients, especially those with ypN+ disease after neoadjuvant chemotherapy followed by radical cystectomy. However, few data are currently available on the role of adjuvant radiation therapy, which remains currently experimental for these patients. CONCLUSION Multiple parameters have been reported to impact the diagnosis and prognosis of patients with pN+ MIBC at radical cystectomy. Adjuvant management is currently based on chemotherapy and immunotherapy with preliminary data on radiation therapy.
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Affiliation(s)
- P-E Gabriel
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France.
| | - U Pinar
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - J Parra
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - C Vaessen
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - P Mozer
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - E Chartier-Kastler
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - M Rouprêt
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
| | - T Seisen
- Sorbonne université, GRC n(o) 5, onco-urologie prédictive, AP-HP, hôpital de la Pitié-Salpêtrière, service d'urologie, 75013 Paris, France
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Multidisciplinary Management and Radiotherapy Recommendations for Clinically and Pathologically Node-positive Bladder Cancer. Semin Radiat Oncol 2023; 33:35-50. [PMID: 36517192 DOI: 10.1016/j.semradonc.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
There are limited data regarding the optimal management of patients with pelvic node-positive, but non-metastatic, bladder cancer. Increasing data demonstrate that this is a distinct clinical entity with outcomes bridging between bladder-confined muscle-invasive bladder cancer and metastatic advanced bladder cancer. Guidelines and staging systems have formalized the need to incorporate the unique considerations of management of pelvic node-positive bladder cancer. However, there remains an absence of a definite standard of care. Treatment options include systemic therapy alone, neoadjuvant chemotherapy followed by radical cystectomy, or bladder-preserving trimodality therapy. Furthermore, ongoing studies aim to determine the benefit of incorporating immunotherapy into these treatment paradigms. In this review article, we will discuss the key considerations for management of patients with pelvic node-positive bladder cancer.
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8
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Lin Q, Bai Q, Huang Q, Huang Y, Gao J, Zhang Y. Partial omentectomy maybe practicable for T3 or shallower gastric cancer patients. Cancer Med 2022; 12:1204-1216. [PMID: 35856487 PMCID: PMC9883580 DOI: 10.1002/cam4.4980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 04/18/2022] [Accepted: 06/15/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Total omentectomy is often performed with gastrectomy as radical surgery for gastric cancer (GC) patients. However, it remains controversial whether GC patients can benefit from omentectomy. The aim of this study was to analyze the incidence and clinical significance of tumor deposits (TDs) in different anatomical subregions of perigastric omentum in GC patients undergoing gastrectomy with total omentectomy. METHODS From October 2011 to December 2013, 1253 patients who underwent gastrectomy with total omentectomy for GC were retrospective reviewed. The TDs in different anatomical subregions of perigastric omentum were examined. RESULTS Of 1253 patients, TDs positivity was 11.2%. Tumor deposits in the omentum of greater curvature and in the omentum of lesser curvature were associated with lymphovascular invasion, perineural invasion, advanced tumor node metastasis stages, and unfavorable survival. Besides, TDs in the proximal omentum of greater curvature and in the omentum of lesser curvature correlated with older patients and larger tumors. Kaplan-Meier curves showed that patients with TDs had worser overall survival (OS) than those without, regardless of TD positions. Patients with TDs in the omentum of greater curvature had the worst prognosis, followed by patients with TDs in the omentum of lesser curvature and patients with no TDs. Tumor deposits in the proximal omentum of greater curvature was an independent prognostic factor for OS. Moreover, only patients classified as pT4 had TDs in the distal omentum of greater curvature. CONCLUSIONS Patients with TDs in the omentum of greater curvature had the worst prognosis, followed by patients with TDs in the omentum of lesser curvature and patients with no TDs. In addition, partial omentectomy might be practicable for gastric cancer patients classified as T3 or shallower tumors.
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Affiliation(s)
- Qiaowei Lin
- Department of Gastric Surgery, Shanghai Cancer CenterFudan UniversityShanghaiChina,Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Qianming Bai
- Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina,Department of Pathology, Shanghai Cancer CenterFudan UniversityShanghaiChina
| | - Qiuyi Huang
- Department of Gastric Surgery, Shanghai Cancer CenterFudan UniversityShanghaiChina,Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yakai Huang
- Department of Gastric Surgery, Shanghai Cancer CenterFudan UniversityShanghaiChina,Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Jianpeng Gao
- Department of Gastric Surgery, Shanghai Cancer CenterFudan UniversityShanghaiChina,Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yu Zhang
- Department of Gastric Surgery, Shanghai Cancer CenterFudan UniversityShanghaiChina,Department of Oncology, Shanghai Medical CollegeFudan UniversityShanghaiChina
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Impact of preoperative chemotherapy on pathologic nodal status in muscle-invasive bladder cancer: optimal lymphadenectomy in the preoperative chemotherapy era. J Cancer Res Clin Oncol 2021; 148:2507-2515. [PMID: 34557987 DOI: 10.1007/s00432-021-03789-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/01/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To investigate the impact of preoperative chemotherapy (pCTX) on pathologic nodal (pN) status and evaluate the optimal lymphadenectomy method according to clinical nodal (cN) status in patients with muscle-invasive bladder cancer who received pCTX. MATERIALS AND METHODS We retrospectively reviewed 449 patients with muscle-invasive bladder cancer who underwent radical cystectomy. Among them, 139 (31.0%) received pCTX. We analyzed overall survival among three groups (cN-pCTX-, cN-pCTX+, and cN+pCTX+); the impact of lymphadenectomy extent according to the history of pCTX in cN- patients (n = 393); and the pN status which includes number of positive lymph nodes, and lymph node density in cN- patients who underwent extended lymphadenectomy (n = 222). RESULTS Overall survival was significantly dependent on cN status, and pCTX had no survival advantage although it decreased the percentage of pN+ patients and the number of positive lymph nodes in cN- patients. Lymph node density showed a significant prognostic effect on overall survival in Cox regression analysis both in cN- and cN+ patients. In cN- patients, there was no significant survival difference according to lymphadenectomy extent regardless of receiving pCTX. CONCLUSIONS pCTX can control micrometastases but not overt metastases, despite decreasing the number of positive lymph nodes in patients with muscle-invasive bladder cancer. Although extended lymphadenectomy is a reasonable diagnostic strategy in the pCTX era, standard dissection is as therapeutic as extended dissection in patients with cN- disease.
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10
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Extranodal Extension Predicts Poor Survival Outcomes among Patients with Bladder Cancer. Cancers (Basel) 2021; 13:cancers13164108. [PMID: 34439261 PMCID: PMC8391350 DOI: 10.3390/cancers13164108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Several lymph node-related prognosticators were reported in bladder cancer patients with lymph node involvement and receiving radical cystectomy. However, extranodal extension (ENE) remained a debate to predict outcomes. METHODS A retrospective analysis of 1303 bladder cancer patients receiving radical cystectomy and bilateral pelvic lymph node dissection were identified in the National Taiwan Cancer Registry database from 2011 to 2017. Based on the 304 patients with lymph node involvement, the presence of ENE and major clinical information were recorded and calculated. The overall survival (OS) and cancer-specific survival (CSS) were estimated with Kaplan-Meier analysis and compared using the log-rank test. Hazard ratios (HR) and the associated 95% confidence intervals were calculated in the univariate and stepwise multivariable models. RESULTS In the multivariable analysis, ENE significantly reduced OS (HR = 1.74, 95% CI 1.09-2.78) and CSS (HR = 1.69, 95% CI 1.01-2.83) more than non-ENE. In contrast, adjuvant chemotherapy was significantly associated with better OS and CSS upon the identification of pathological nodal disease. CONCLUSIONS Reduced OS and CSS outcomes were observed in the pathological nodal bladder cancer patients with ENE compared with those without ENE. After the identification of pathological nodal disease, adjuvant chemotherapy was associated with better survival outcomes.
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11
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Lymph node extracapsular extension as a marker of aggressive phenotype: Classification, prognosis and associated molecular biomarkers. Eur J Surg Oncol 2021; 47:721-731. [DOI: 10.1016/j.ejso.2020.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/18/2020] [Accepted: 09/08/2020] [Indexed: 02/06/2023] Open
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Oszwald A, Wasinger G, Larnaudie L, Varinot J, Sebe P, Cussenot O, Compérat E. Pathological reporting of cystectomy lymph nodes: a retrospective analysis of experience in Paris. World J Urol 2021; 39:4029-4035. [PMID: 33743060 PMCID: PMC8571145 DOI: 10.1007/s00345-021-03630-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/03/2021] [Indexed: 11/10/2022] Open
Abstract
Purpose Pathological evaluation of pelvic lymph node (LN) dissection (PLND) is important for management of cystectomy patients. However, challenges such as unclear interobserver variability of LN counting remain. Here, we assess interobserver variability of LN measures and their clinical utility, with a focus on variant histology. Methods We retrieved radical cystectomy cases with PLND between 2010 and 2016 and reevaluated pathological parameters; number of total and metastatic LN, LN density (LND), length of metastatic LN and metastases, extranodal extension (ENE). Results We report 96 patients: median age of 71a, 34 cases pN+, 36 cases with any extent of variant histology, median follow-up 10 months. Perivesical LN were only rarely identified, but frequently metastatic (4/9). Variant histology (34 cases) frequently exhibited LN metastasis (53% of pN+ cases). Interobserver variance was poor for total LN (kappa = 0.167), excellent for positive LN (0.85) and pN staging (0.96), and mediocre for LND (0.53). ROC analysis suggests that both LND and the sum of LN metastasis length may predict outcome (AUC 0.83 and 0.75, respectively). Conclusion Our study confirms the notion of LND as a prognostic measure, but cautions due to strong interobserver variance of LN counts. The sum length of LN metastases could be a measure that is independent of LN counts. We find that microscopically identified perivesical LN merit particular attention. In summary, our study highlights current challenges in pathological reporting of PLND, confirms previous observations and forms a basis for further studies.
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Affiliation(s)
- André Oszwald
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Gabriel Wasinger
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Laura Larnaudie
- Department of Pathology, GRC n°5 Predictive Onco-Urology, AP-HP, Tenon Hospital, Sorbonne University, 75020, Paris, France
| | - Justine Varinot
- Department of Pathology, GRC n°5 Predictive Onco-Urology, AP-HP, Tenon Hospital, Sorbonne University, 75020, Paris, France
| | - Philippe Sebe
- Department of Urology, La Croix Saint-Simon, Paris, France
| | - Olivier Cussenot
- CeRePP, 75020, Paris, France.,Department of Urology, GRC n°5 Predictive Onco-Urology, AP-HP, Tenon Hospital, Sorbonne University, 75020, Paris, France
| | - Eva Compérat
- Department of Pathology, Medical University of Vienna, Vienna, Austria. .,Department of Pathology, GRC n°5 Predictive Onco-Urology, AP-HP, Tenon Hospital, Sorbonne University, 75020, Paris, France. .,CeRePP, 75020, Paris, France.
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13
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Packiam VT, Tsivian M, Boorjian SA. The evolving role of lymphadenectomy for bladder cancer: why, when, and how. Transl Androl Urol 2020; 9:3082-3093. [PMID: 33457281 PMCID: PMC7807370 DOI: 10.21037/tau.2019.06.01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Radical cystectomy (RC) represents a standard treatment for non-metastatic muscle-invasive and select high-risk non-muscle invasive bladder cancer. Lymphadenectomy performed at time of RC identifies nodal metastases in up to 25% of patients despite normal imaging. There has been an increasing utilization of pelvic lymph node dissection (PLND) with RC since 1950, and in fact lymph node dissection is now recommended in contemporary National Comprehensive Cancer Network (NCCN) guidelines. Benefits of removing of nodal disease include improved staging, guidance for adjuvant treatment, and potentially improved oncologic outcomes. Advantages of dissection have been suggested among both node-negative and node-positive patients. Numerous studies have attempted to define the optimal dissection characteristics of lymphadenectomy with regard to nodal yield and anatomic boundaries of dissection. The ideal extent of lymphadenectomy remains uncertain due to the retrospective and non-randomized nature of the majority of existing reports, which are thereby limited by significant confounding and selection bias. Two randomized controlled trials have investigated this issue, one of which LEA AUO AB 25/02 recently reported its outcomes, demonstrating no significant improvement in 5-year outcomes with an extended dissection. Meanwhile, the Southwest Oncology Group 1011 trial has completed enrollment and data are maturing. While current data preclude definitive recommendations, herein we review the why, when, and how to perform a PLND for bladder cancer.
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Clinical significance of extranodal extension in sentinel lymph node positive breast cancer. Sci Rep 2020; 10:14684. [PMID: 32895434 PMCID: PMC7477554 DOI: 10.1038/s41598-020-71594-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 08/18/2020] [Indexed: 01/09/2023] Open
Abstract
The precise stage of lymph node (LN) metastasis is a strong prognostic factor in breast cancers, and sentinel lymph node (SLN) is the first station of nodal metastasis. A number of patients have extranodal extension (ENE) in SLN, whereas the clinical values of ENE in SLN in breast cancers are still in exploration. The aim of our study was to evaluate the predictive and prognostic values of ENE in SLN in breast cancers, and to investigate the feasibility of ENE to predict non-SLN metastasis, nodal burden, disease free survival (DFS) and overall survival (OS) in clinical practice. 266 cases of primary invasive breast cancer (cT1-2N0 breast cancer) underwent SLN biopsy and axillary lymph node dissection (ALND) between 2008 and 2015 were extracted from the pathology database of Fudan University Shanghai Cancer Center. ENE in SLN was defined as extension of neoplastic cells through the lymph-nodal capsule into the peri-nodal adipose tissue, and was classified as no larger than 2 mm and larger than 2 mm group. The associations between ENE and clinicopathological features, non-SLN metastasis, nodal burden, DFS, and OS were analyzed. In the 266 patients with involved SLN, 100(37.6%) were positive for ENE in SLN. 67 (25.2%) cases had ENE no larger than 2 mm in diameter, and 33(12.4%) had ENE larger than 2 mm. Among the clinicopathological characteristics, the presence of ENE in SLN was associated with higher pT and pN stages, PR status, lympho-vascular invasion. Logistic regression analysis indicated that patients with ENE in SLN had higher rate of non-SLN metastasis (OR4.80, 95% CI 2.47–9.34, P < 0.001). Meanwhile, in patients with SLN micrometastasis or 1–2 SLNs involvement, ENE positive patients had higher rate of non-SLN metastasis, comparing with ENE negative patients (P < 0.001, P = 0.004 respectively). The presence of ENE in SLN was correlated with nodal burden, including the pattern and number of involved SLN (P < 0.001, P < 0.001 respectively), the number of involved non-SLN and total positive LNs (P < 0.001, P < 0.001 respectively). Patients with ENE had significantly higher frequency of pN2 disease (P < 0.001). For the disease recurrence and survival status, Cox regression analysis showed that patients with ENE in SLN had significantly reduced DFS (HR 3.05, 95%CI 1.13–10.48, P = 0.008) and OS (HR 3.34, 95%CI 0.74–14.52, P = 0.092) in multivariate analysis. Kaplan–Meier curves and log-rank test showed that patients with ENE in SLN had lower DFS and OS (for DFS: P < 0.001; and for OS: P < 0.001 respectively). Whereas no significant difference was found in nodal burden between ENE ≤ 2 mm and > 2 mm groups, except the number of SLN metastasis was higher in patients with ENE > 2 mm. Cox regression analysis, Kaplan–Meier curves and log-rank test indicated that the size of ENE was not an independent factor of DFS and OS. Our study indicated that ENE in SLN was a predictor for non-SLN metastasis, nodal burden and prognosis in breast cancers. Patients with ENE in SLN had a higher rate of non-SLN metastasis, higher frequency of pN2 disease, and poorer prognosis. Patients with ENE in SLN may benefit from additional ALND, even in SLN micrometastasis or 1–2 SLNs involvement patients. The presence of ENE in SLN should be evaluated in clinical practice. Size of ENE which was classified by a 2 mm cutoff value had no significant predictive and prognostic values in this study. The cutoff values of ENE in SLN need further investigation.
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15
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Boström PJ, Jensen JB, Jerlström T, Arum CJ, Gudjonsson S, Ettala O, Syvänen KT. Clinical markers of morbidity, mortality and survival in bladder cancer patients treated with radical cystectomy. A systematic review. Scand J Urol 2020; 54:267-276. [PMID: 32516016 DOI: 10.1080/21681805.2020.1773527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Context: Radical cystectomy and pelvic lymph node dissection (RC and PLND) are an essential part of the treatment paradigm in high risk bladder cancer. However, these patients have high rates of morbidity and mortality related both to the treatment and to the disease.Objective: To provide overview of current literature about clinical markers that can be used to predict and improve BC-patient outcomes at the time of RC and PLND and to study if they are properly validated.Evidence acquisition: A systematic literature search was conducted according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) criteria between January 1990 and October 2018 to identify English written original and review articles relevant to this topic. Prospective and retrospective studies were included.Evidence synthesis: There are several risk factors identified from non-randomised trials that can be improved before surgery to reduce perioperative mortality and morbidity. These include poor nutritional status, anaemia, renal function and smoking. Preoperative nomograms have also been developed to help decision-making and to inform patients about the risks of surgery. They can be used to estimate risk of postoperative mortality after RC and PLND with accuracy varying from 70 to 86%. These nomograms are largely based on retrospective data. Likewise, nomograms developed to calculate estimates about patient's overall and cancer specific survival have the same limitations.Conclusion: Clinical markers to predict morbidity, mortality and survival in patients with bladder cancer treated with RC and PLND may help to improve patient outcomes and treatment decision-making, but available data come from small retrospective trials and have not been properly validated. Prospective, multi-centre studies are needed to implement and disseminate predictive clinical markers and nomograms such that they can be utilised in treatment decision-making in daily practice.
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Affiliation(s)
- Peter J Boström
- Department of Urology, Turku University Hospital, Turku, Finland
| | | | - Tomas Jerlström
- School of Medical Sciences, Faculty of Medicine and Health, University of Örebro, Örebro, Sweden
| | - Carl-Jørgen Arum
- Norwegian University of Science and Technology, Trondheim, Norway
| | | | - Otto Ettala
- Department of Urology, Turku University Hospital, Turku, Finland
| | - Kari T Syvänen
- Department of Urology, Turku University Hospital, Turku, Finland
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Dataset for the reporting of carcinoma of the bladder-cystectomy, cystoprostatectomy and diverticulectomy specimens: recommendations from the International Collaboration on Cancer Reporting (ICCR). Virchows Arch 2020; 476:521-534. [PMID: 31915958 DOI: 10.1007/s00428-019-02727-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/20/2019] [Accepted: 11/28/2019] [Indexed: 12/11/2022]
Abstract
The International Collaboration on Cancer Reporting (ICCR) is a not for profit organisation whose goal is to produce standardised internationally agreed and evidence-based datasets for pathology reporting. With input from pathologists worldwide, the datasets are intended to be uniform and structured. They include all items necessary for an objective and accurate pathology report which enables clinicians to apply the best treatment for the patient. This dataset has had input from a multidisciplinary ICCR expert panel. The rationale for some items being required and others recommended is explained, based on the latest literature. The dataset incorporates data from the World Health Organization (WHO) 2016, and also from the latest (8th edition) TNM staging system of the American Joint Committee on Cancer (AJCC). Fifteen required elements and eight recommended items are described. This dataset provides all the details for a precise and valuable pathology report required for patient management and prognostication. This dataset is intended for worldwide use, and should facilitate the collection of standardised comparable data on bladder carcinoma at an international level.
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Del Giudice F, Barchetti G, De Berardinis E, Pecoraro M, Salvo V, Simone G, Sciarra A, Leonardo C, Gallucci M, Catalano C, Catto JW, Panebianco V. Prospective Assessment of Vesical Imaging Reporting and Data System (VI-RADS) and Its Clinical Impact on the Management of High-risk Non–muscle-invasive Bladder Cancer Patients Candidate for Repeated Transurethral Resection. Eur Urol 2020; 77:101-109. [DOI: 10.1016/j.eururo.2019.09.029] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 09/24/2019] [Indexed: 10/25/2022]
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18
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Kimura S, Iwata T, Abufaraj M, Janisch F, D'Andrea D, Moschini M, Al-Rawashdeh B, Fajkovic H, Seebacher V, Egawa S, Shariat SF. Impact of Gender on Chemotherapeutic Response and Oncologic Outcomes in Patients Treated With Radical Cystectomy and Perioperative Chemotherapy for Bladder Cancer: A Systematic Review and Meta-Analysis. Clin Genitourin Cancer 2019; 18:78-87. [PMID: 31889669 DOI: 10.1016/j.clgc.2019.11.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/10/2019] [Accepted: 11/27/2019] [Indexed: 02/03/2023]
Abstract
Female patients with bladder cancer (BCa) have had more advanced disease than their male counterparts at diagnosis and have experienced worse oncologic outcomes. However, the effect of gender on the chemotherapeutic response and oncologic outcomes after radical cystectomy (RC) and perioperative chemotherapy remains to be elucidated. We performed a systematic literature search to identify eligible studies that had investigated the effect of gender on the chemotherapeutic response and oncologic outcomes after RC and perioperative chemotherapy. We identified 15 studies reported from 2008 to 2019. For the patients who had received neoadjuvant chemotherapy (NAC), female gender was not associated with a complete response (pooled odds ratio [OR], 0.94; 95% confidence interval [CI], 0.69-1.26) nor a complete or partial response (pooled OR, 0.96; 95% CI, 0.73-1.27). In addition, women experienced had less upstaging (pooled OR, 0.3; 95% CI, 0.14-0.68) at RC compared with their male counterparts. Moreover, female patients who had undergone RC and NAC were likely to have better disease recurrence and cancer-specific mortality rates than were the male patients (pooled hazard ratio [HR], 0.66 and 95% CI, 0.44-0.98; and pooled HR, 0.49 and 95% CI, 0.29-0.81, respectively). For the patients who had undergone adjuvant chemotherapy, female gender was not associated with overall mortality (pooled HR, 1.15; 95% CI, 0.7-1.89), disease recurrence (pooled HR, 0.95; 95% CI, 0.74-1.23), or cancer-specific mortality (pooled HR, 1.07; 95% CI, 0.81-1.43). Female patients with BCa seem to benefit more from NAC than do their male counterparts. This potential differential sensitivity of female BCa to cisplatin-based combination chemotherapy might help close the gender gap in BCa, suggesting that gender could be a biomarker to help select the best systemic therapy for patients with advanced BCa.
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Affiliation(s)
- Shoji Kimura
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Takehiro Iwata
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Mohammad Abufaraj
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan
| | - Florian Janisch
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - David D'Andrea
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Marco Moschini
- Klinik für Urologie, Luzerner Kantonsspital, Lucerne, Switzerland; Urological Research Institute, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Baeth Al-Rawashdeh
- Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan
| | - Harun Fajkovic
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Veronika Seebacher
- Department for Gynaecology and Gynaecologic Oncology, Medical University of Vienna, Vienna, Austria
| | - Shin Egawa
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Shahrokh F Shariat
- Department of Urology, Medical University of Vienna, Vienna, Austria; Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia; Department of Urology, Weill Cornell Medical College, New York, NY; Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX; Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria.
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Duquesne I, Champy C, Klap J, Chahwan C, Vordos D, de la Taille A, Salomon L. [When to introduce hormone therapy after total prostatectomy with positive lymph nodes? Study of the factors influencing the time of introduction of hormone therapy]. Prog Urol 2019; 29:981-988. [PMID: 31735682 DOI: 10.1016/j.purol.2019.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 09/26/2019] [Accepted: 09/28/2019] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Adjuvant hormone therapy is the standard treatment after total prostatectomy with positive lymph node. However, this treatment has side effects and at the time of the PSA era and extensive lymph node dissection, this principle is questioned. The aim of this study is to describe the oncological characteristics of patients that may explain the delay in introducing hormone therapy in patients with positive lymph node. METHODS Monocentric, retrospective study of 161 patients from November 1988 to February 2018 in a single French University Hospital, having undergone radical prostatectomy with positive lymph nodes on pathology. For each patient, preoperative data (age, clinical stage, biopsy results, d'Amico classification) and postoperative data (pathological results, number of lymph nodes removed, number of positive lympnodes, recurrence free survival, specific survival and overall survival) were collected. The date of introduction of hormone therapy was noted and survival without hormonal therapy was established according to the Kaplan Meier curve. The pre- and post-operative oncological factors that could influence hormone therapy introduction were investigated with Chi2 and Student tests (statistically significant when P<0.05). RESULTS The mean number of lymph nodes removed was 12 [1-40]. The mean number of positive lymph nodes was 2.5 [1-24], the mean percentage of positive lymph nodes was 25% (2.5-100). After a mean follow-up of 95 months (3-354), 88 patients (54.6%) had no hormonal treatment. The average time to hormonal treatment was 40 months [0-310]. At 3 years, survival without hormone therapy was 52% and 51% at 5 years. Only the percentage of positive lymphnodes appeared to be a significant predictor of the introduction of hormone therapy. (29.32% vs. 21.99%, P=0.047). Hormone-free survival was significantly higher in patients with lymph node involvement less than 25% (P<0.0001) or with less than 2 positive lymph nodes (P=0.0294). CONCLUSION Lymph node invasion is a factor of poor prognosis after total prostatectomy and leads to introduce hormone therapy. Our study identified the percentage and number of positive lymph nodes as factors that identify patients who may be delayed in introducing this hormone therapy. LEVEL OF PROOF 3.
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Affiliation(s)
- I Duquesne
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France.
| | - C Champy
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
| | - J Klap
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
| | - C Chahwan
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
| | - D Vordos
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
| | - A de la Taille
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
| | - L Salomon
- Service d'urologie, CHU Henri-Mondor, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France
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Zhou Q, Chen S, Lu M, Luo Y, Wang G, Xiao Y, Ju L, Wang X. EFEMP2 suppresses epithelial-mesenchymal transition via Wnt/β-catenin signaling pathway in human bladder cancer. Int J Biol Sci 2019; 15:2139-2155. [PMID: 31592144 PMCID: PMC6775297 DOI: 10.7150/ijbs.35541] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 06/26/2019] [Indexed: 12/24/2022] Open
Abstract
Epidermal growth factor-containing fibulin-like extracellular matrix protein 2 (EFEMP2), an extracellular matrix protein, is highly associated with tumor invasion and metastasis. However, influenced by the tumor microenvironment, EFEMP2 played different roles in different tumors. The current study focused on exploring the role of EFEMP2 in bladder cancer (BCa). The results suggested that the expression of EFEMP2 was significantly higher in normal tissues and cells compared with BCa samples and cells. And we found a negative correlation between EFEMP2 expression and high tumor stage, high tumor grade, patients with low EFEMP2 expression had a much poorer survival than those patients with high EFEMP2 expression. The multivariate analysis revealed that low EFEMP2 expression was a high-risk predictor of BCa survival. Furthermore, cell proliferation, migration and metastasis can be obviously affected by the changes of EFEMP2 expression both in vitro and in vivo. Our results also turned out that knockdown of EFEMP2 could significantly reduce the epithelial marker (E-cadherin), increase mesenchymal markers (N-cadherin, Vimentin, Snail and Slug) as well as the key factors of Wnt/β-catenin signaling pathway (β-catenin, c-Myc and cyclin D1). The reversed results were found in the EFEMP2 overexpression cells. Importantly, the related expression changes of epithelial-mesenchymal transition (EMT) markers and Wnt/β-catenin signaling pathway factors induced by EFEMP2 upregulation or downregulation can be rescued using LiCl or XAV939. Collectively, our observations revealed that EFEMP2 is a blocker of tumor progression and metastasis in BCa.
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Affiliation(s)
- Qiang Zhou
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Song Chen
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Mengxin Lu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yongwen Luo
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Gang Wang
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China.,Human Genetics Resource Preservation Center of Hubei Province, Wuhan, China.,Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yu Xiao
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China.,Human Genetics Resource Preservation Center of Hubei Province, Wuhan, China.,Laboratory of Precision Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Lingao Ju
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China.,Human Genetics Resource Preservation Center of Hubei Province, Wuhan, China
| | - Xinghuan Wang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Medical Research Institute, Wuhan University, Wuhan, China.,Urological Clinical Research Center of Laparoscopy in Hubei Province, Wuhan, China
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Prendeville S, Berney DM, Bubendorf L, Compérat E, Egevad L, Hes O, Kristiansen G, Oxley J, van Leenders GJLH, Varma M, van der Kwast T. Handling and reporting of pelvic lymphadenectomy specimens in prostate and bladder cancer: a web-based survey by the European Network of Uropathology. Histopathology 2019; 74:844-852. [PMID: 30604878 DOI: 10.1111/his.13818] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 01/01/2019] [Indexed: 02/04/2023]
Abstract
AIMS Pathological evaluation of lymphadenectomy specimens plays a pivotal role in accurate lymph node (LN) staging. Guidelines standardising the gross handling and reporting of pelvic LN dissection (PLND) in prostate (PCa) and bladder (BCa) cancer are currently lacking. This study aimed to establish current practice patterns of PLND evaluation among pathologists. METHODS AND RESULTS A web-based survey was circulated to all members of the European Network of Uropathology (ENUP), comprising 29 questions focusing on the macroscopic handling, LN enumeration and reporting of PLND in PCa and BCa. Two hundred and eighty responses were received from pathologists throughout 23 countries. Only LNs palpable at grossing were submitted by 58%, while 39% routinely embedded the entire specimen. Average LN yield from PLND was ≥10 LNs in 56% and <10 LNs in 44%. Serial section(s) and immunohistochemistry were routinely performed on LN blocks by 42% and <1% of respondents, respectively. To designate a LN microscopically, 91% required a capsule/subcapsular sinus. In pN+ cases, 72% reported the size of the largest metastatic deposit and 94% reported extranodal extension. Isolated tumour cells were interpreted as pN1 by 77%. Deposits identified in fat without associated lymphoid tissue were reported as tumour deposits (pN0) by 36% and replaced LNs (pN+) by 27%. LNs identified in periprostatic fat were included in the PLND LN count by 69%. CONCLUSION This study highlights variations in practice with respect to the gross sampling and microscopic evaluation of PLND in urological malignancies. A consensus protocol may provide a framework for more consistent and standardised reporting of PLND specimens.
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Affiliation(s)
| | - Daniel M Berney
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | | | - Eva Compérat
- Hôpital Tenon, Sorbonne University, Paris, France
| | | | - Ondrej Hes
- Charles University Hospital, Plzen, Czech Republic
| | | | - Jon Oxley
- North Bristol NHS Trust, Bristol, UK
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Marks P, Gild P, Soave A, Janisch F, Minner S, Engel O, Vetterlein MW, Shariat SF, Sauter G, Dahlem R, Fisch M, Rink M. The impact of variant histological differentiation on extranodal extension and survival in node positive bladder cancer treated with radical cystectomy. Surg Oncol 2019; 28:208-213. [DOI: 10.1016/j.suronc.2019.01.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 12/20/2018] [Accepted: 01/27/2019] [Indexed: 11/30/2022]
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Morozumi K, Mitsuzuka K, Takai Y, Katsumata Y, Kuromoto A, Hoshi S, Numahata K, Arai Y. Intraoperative hypothermia is a significant prognostic predictor of radical cystectomy especially for stage II muscle-invasive bladder cancer. Medicine (Baltimore) 2019; 98:e13962. [PMID: 30633177 PMCID: PMC6336635 DOI: 10.1097/md.0000000000013962] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
The objective of this study was to evaluate intraoperative hypothermia as a predictor of complication and prognosis in patients with muscle-invasive bladder cancer treated with radical cystectomy.The data of 124 patients treated with radical cystectomy for muscle-invasive bladder cancer in our department, from 2003 to 2016, were retrospectively collected. The patients were divided into 2 groups according to the lowest intraoperative deep body temperature, that is, the hypothermia group (<96.8°F) and the normothermia group (≥96.8°F). Preoperative and intraoperative variables were compared among the 2 groups, and factors associated with complications, recurrences, and survivals were analyzed.Sixty-eight (54.8%) of the 124 patients presented intraoperative hypothermia. There was no significant difference in the patient's characteristics between the 2 groups. Postoperative complications (Clavien-Dindo ≤III) of any types occurred in 15 patients (22.1%) in the hypothermia group, as compared with 8 patients (14.3%) in the normothermia group (P = .27). The hypothermia group had a higher pathologic stage (P = .029) and a higher recurrence rate within 12 months (P = .013), as compared with the normothermia group. Intraoperative hypothermia was an independent prognostic factor for overall survival in all patients (hazard ratio [HR] 2.47; 95% confidence interval [CI], 1.01-2.85; P = .047). When stratified by disease stage, stage II intraoperative hypothermia was an independent prognostic factor for disease-free survival (HR 3.35; 95% CI, 1.27-8.83; P = .015) and overall survival (HR 4.24; 95% CI, 1.38-12.9; P = .011).This study suggests that intraoperative hypothermia could be a significant predictor for recurrence and survival in muscle-invasive bladder cancer treated with radical cystectomy.
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Affiliation(s)
- Kento Morozumi
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Koji Mitsuzuka
- Department of Urology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yuki Takai
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Yuki Katsumata
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Akito Kuromoto
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Senji Hoshi
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Kenji Numahata
- Department of Urology, Yamagata Prefectural Central Hospital, Yamagata
| | - Yoichi Arai
- Department of Urology, Tohoku University Graduate School of Medicine, Sendai, Japan
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Kim CW, Kim J, Park Y, Cho DH, Lee JL, Yoon YS, Park IJ, Lim SB, Yu CS, Kim JC. Prognostic Implications of Extranodal Extension in Relation to Colorectal Cancer Location. Cancer Res Treat 2018; 51:1135-1143. [PMID: 30514068 PMCID: PMC6639205 DOI: 10.4143/crt.2018.392] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 11/18/2018] [Indexed: 12/13/2022] Open
Abstract
Purpose Extranodal extension (ENE) is closely associated with the aggressiveness of both colon and rectal cancer. This study evaluated the clinicopathologic significance and prognostic impact of ENE in separate populations of patients with colon and rectal cancers. Materials and Methods The medical records of 2,346 patients with colorectal cancer (CRC) who underwent curative surgery at our institution between January 2003 and December 2011 were clinically and histologically reviewed. Results ENE was associated with younger age, advanced tumor stage, lymphovascular invasion (LVI), and perineural invasion (PNI) in both colon and rectal cancer. ENE rates differed significantly in patients with right colon (36.9%), left colon (42.6%), and rectal (48.7%) cancers (right vs. left, p=0.037; left vs. rectum, p=0.009). The 5-year disease-free survival (DFS) rate according to ENE status and primary tumor site differed significantly in patients with ENE-negative colon cancer (80.5%), ENE-negative rectal cancer (77.4%), ENE-positive colon cancer (68.6%), and ENE-positive rectal cancer (64.2%) (p<0.001). Multivariate analysis showed that advanced tumor stage, ENE, LVI, PNI, and absence of adjuvant chemotherapy were independently prognostic of reduced DFS in colon and rectal cancer patients. Conclusion ENE is closely associated with the aggressiveness of colon and rectal cancers, with its frequency increasing from the right colon to the left colon to the rectum. ENE status is a significant independent predictor of DFS in CRC patients irrespective of tumor location. ENE might be more related with distally located CRC.
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Affiliation(s)
- Chan Wook Kim
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jihun Kim
- Department of Pathology, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yangsoon Park
- Department of Pathology, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Hyung Cho
- School of Life Science, Kyungpook National University, Daegu, Korea
| | - Jong Lyul Lee
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Yong Sik Yoon
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - In Ja Park
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seok-Byung Lim
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Chang Sik Yu
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin Cheon Kim
- Department of Surgery, Institute of Innovative Cancer Research, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Cha EK, Sfakianos JP, Sukhu R, Yee AM, Sjoberg DD, Bochner BH. Poor prognosis of bladder cancer patients with occult lymph node metastases treated with neoadjuvant chemotherapy. BJU Int 2018; 122:627-632. [PMID: 29633530 DOI: 10.1111/bju.14242] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To characterise the outcomes of neoadjuvant chemotherapy (NAC) pre-treated patients found to be lymph node (LN)-positive at the time of radical cystectomy and pelvic lymph node dissection (RC/PLND) for urothelial carcinoma of the bladder (UCB). PATIENTS AND METHODS Of 1484 patients treated with RC/PLND for UCB from 2000 to 2010, we analysed 198 patients with clinically non-metastatic (cN0M0) muscle-invasive UCB who were found to be LN-positive at RC/PLND. As patients not receiving perioperative chemotherapy were significantly older and comorbid, we compared LN-positive patients previously treated with NAC (32 patients) to LN-positive patients treated with adjuvant chemotherapy (AC, 49 patients) using Cox proportional hazards models. A sensitivity analysis was designed to account for the additional time to RC in NAC patients. RESULTS The 3-year recurrence-free survival estimate for LN-positive NAC patients was 26%, compared with 60% for LN-positive AC patients. LN-positive patients treated with NAC had significantly higher risks of disease recurrence and cancer-specific mortality in univariate analyses (hazard ratio [HR] 2.86, 95% confidence interval [CI] 1.58-5.19, P = 0.001 and HR 2.50, 95% CI 1.34-4.65, P = 0.004, respectively) and multivariable analyses adjusting for pathological stage and LN density (HR 3.11, 95% CI 1.59-6.07, P = 0.001 and HR 3.05, 95% CI 1.46-6.35, P = 0.003, respectively). Sensitivity analyses similarly demonstrated worse outcomes for NAC pre-treated LN-positive patients. CONCLUSION LN-positive patients previously treated with NAC have a poor prognosis, significantly worse than LN-positive patients subsequently treated with AC, and should be considered for protocols using sandwich chemotherapy approaches or novel agents. These results should be considered in the interpretation of and stratification for clinical trials.
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Affiliation(s)
- Eugene K Cha
- Urology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John P Sfakianos
- Department of Urology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ranjit Sukhu
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alyssa M Yee
- Urology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Daniel D Sjoberg
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Bernard H Bochner
- Urology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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26
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Mari A, Kimura S, Foerster B, Abufaraj M, D'Andrea D, Gust KM, Shariat SF. A systematic review and meta-analysis of lymphovascular invasion in patients treated with radical cystectomy for bladder cancer. Urol Oncol 2018; 36:293-305. [PMID: 29685374 DOI: 10.1016/j.urolonc.2018.03.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/06/2018] [Accepted: 03/26/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE Lymphovascular invasion (LVI) is an important step in bladder cancer cell dissemination. We aimed to perform a systematic review and meta-analysis of the literature to assess the prognostic value of LVI in radical cystectomy (RC) specimens. PATIENTS AND METHODS A systematic review and meta-analysis of the last 10 years was performed using the MEDLINE, EMBASE, and the Cochrane libraries in July 2017. The analyses were performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) statement. RESULTS We retrieved 65 studies (including 78,107 patients) evaluating the effect of LVI on oncologic outcomes in patients treated with RC. LVI was reported in 35.4% of patients. LVI was associated with disease recurrence (pooled hazard ratio [HR] = 1.57; 95% CI: 1.45-1.70) and cancer-specific mortality (CSM) (pooled HR = 1.59; 95% CI: 1.48-1.73) in all studies regardless of tumor stage and node status (pT1-4 pN0-2). LVI was associated with recurrence and CSM in patients with node-negative bladder cancer (BC). In patients with node-negative BC, LVI rate increased and was associated with worse oncologic outcome. LVI had a lower but still significant association with disease recurrence and CSM in node-positive BC. CONCLUSIONS LVI is a strong prognostic factor of worse prognosis in patients treated with RC for bladder cancer. This association is strongest in node-negative BC, but it is also in node-positive BC. LVI should be part of all pathological reporting and could provide additional information for treatment-decision making regarding adjuvant therapy after RC.
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Affiliation(s)
- Andrea Mari
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, University of Florence, Careggi Hospital, Florence, Italy
| | - Shoji Kimura
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Beat Foerster
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Kantonsspital Winterthur, Winterthur, Switzerland
| | - Mohammad Abufaraj
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Special Surgery, Jordan University hospital, The University of Jordan, Amman, Jordan
| | - David D'Andrea
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Kilian M Gust
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Shahrokh F Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria; Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX; Department of Urology, Weill Cornell Medical College, New York, NY.
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27
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Ambe PC, Gödde D, Störkel S, Zirngibl H, Bönicke L. Extra nodular metastasis is a poor prognostic factor for overall survival in node-positive patients with colorectal cancer. Int J Colorectal Dis 2018. [PMID: 29520454 DOI: 10.1007/s00384-018-2991-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is the second leading cause for cancer-related death in industrialized nations. Nodal involvement has been identified as a relevant prognostic feature in CRC. Extra nodal metastasis (ENM) describes the spread of malignant cells beyond the nodal capsule. ENM is thought to be an independent risk factor for poor survival. This study examined ENM as an independent risk factor for poor overall survival in patients with node-positive CRC. MATERIALS AND METHODS Data from a prospectively maintained CRC database was retrospectively analyzed. Blinded slides of patients with stage III and IV CRC following radical surgical resection were re-examined for the presence of ENM. The effect of ENM on overall survival was examined using Kaplan-Meier curves. RESULTS One hundred forty-seven cases with node-positive CRC (UICC stages III and IV) including 78 cases with ENM were included for analysis. ENM was seen in 60 patients with colon cancer (58.8%) and in 18 patients with rectal cancer (40%), p = 0.033. ENM-positive patients had a significantly higher odd for cancer-related death compared to ENM-negative patients ratio of [OR 0.44: 0.22-0.88, CI 95%, p = 0.021], p = 0.02. The median overall survival was significantly longer in patients without ENM, 51.0 ± 33 vs. 30.5 ± 42 months, p = 0.02. CONCLUSION Extra nodal metastasis is an independent prognostic factor in patients with node-positive colorectal cancer. Extra nodal metastasis is associated with high odds of tumor-related mortality and poor overall survival.
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Affiliation(s)
- Peter C Ambe
- Department of Surgery, Helios University Hospital Wuppertal, Witten-Herdecke University, Heusnerstr, 40 42283, Wuppertal, Germany.
- Department of Visceral, Minimally Invasive and Oncologic Surgery, Marien Hospital Düsseldorf, Rocchusstr. 2, 40479, Düsseldorf, Germany.
| | - Daniel Gödde
- Institute of Pathology and Molecular Pathology, Helios University Hospital Wuppertal, Witten-Herdecke University, Heusnerstr. 40, 42283, Wuppertal, Germany
| | - Stephan Störkel
- Institute of Pathology and Molecular Pathology, Helios University Hospital Wuppertal, Witten-Herdecke University, Heusnerstr. 40, 42283, Wuppertal, Germany
| | - Hubert Zirngibl
- Department of Surgery, Helios University Hospital Wuppertal, Witten-Herdecke University, Heusnerstr, 40 42283, Wuppertal, Germany
| | - Lars Bönicke
- Department of Surgery, Helios University Hospital Wuppertal, Witten-Herdecke University, Heusnerstr, 40 42283, Wuppertal, Germany
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Sathianathen NJ, Risk MC, Konety BR. Lymphadenectomy for Muscle-Invasive Bladder Cancer and Upper Tract Urothelial Cell Carcinoma. Urol Clin North Am 2018; 45:215-228. [PMID: 29650137 DOI: 10.1016/j.ucl.2017.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
There are currently no reported randomized trials that characterize the staging or therapeutic benefit of performing a lymph node dissection in either bladder cancer or upper tract urothelial carcinoma. Several unanswered questions remain in this domain focused on the indications and patient selection for pelvic lymph node dissection, extent of dissection, its impact on outcome, and potential risks. However, the results of observational studies suggest that the burden of metastasis is high in both diseases when muscle invasive and performing a lymphadenectomy can provide prognostic information and yield therapeutic benefit.
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Affiliation(s)
- Niranjan J Sathianathen
- Department of Urology, University of Minnesota, Delaware Street Southeast, Minneapolis, MN 55455, USA
| | - Michael C Risk
- Department of Urology, University of Minnesota, Delaware Street Southeast, Minneapolis, MN 55455, USA
| | - Badrinath R Konety
- Department of Urology, University of Minnesota, Delaware Street Southeast, Minneapolis, MN 55455, USA.
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29
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He W, Zhong G, Jiang N, Wang B, Fan X, Chen C, Chen X, Huang J, Lin T. Long noncoding RNA BLACAT2 promotes bladder cancer-associated lymphangiogenesis and lymphatic metastasis. J Clin Invest 2018; 128:861-875. [PMID: 29355840 PMCID: PMC5785244 DOI: 10.1172/jci96218] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 12/07/2017] [Indexed: 12/11/2022] Open
Abstract
The prognosis for bladder cancer patients with lymph node (LN) metastasis is dismal and only minimally improved by current treatment modalities. Elucidation of the molecular mechanisms that underlie LN metastasis may provide clinical therapeutic strategies for LN-metastatic bladder cancer. Here, we report that a long noncoding RNA LINC00958, which we have termed bladder cancer-associated transcript 2 (BLACAT2), was markedly upregulated in LN-metastatic bladder cancer and correlated with LN metastasis. Overexpression of BLACAT2 promoted bladder cancer-associated lymphangiogenesis and lymphatic metastasis in both cultured bladder cancer cell lines and mouse models. Furthermore, we demonstrate that BLACAT2 epigenetically upregulated VEGF-C expression by directly associating with WDR5, a core subunit of human H3K4 methyltransferase complexes. Importantly, administration of an anti-VEGF-C antibody inhibited LN metastasis in BLACAT2-overexpressing bladder cancer. Taken together, these findings uncover a molecular mechanism in the lymphatic metastasis of bladder cancer and indicate that BLACAT2 may represent a target for clinical intervention in LN-metastatic bladder cancer.
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Extranodal extension status is a powerful prognostic factor in stage III colorectal cancer. Oncotarget 2017; 8:61393-61403. [PMID: 28977872 PMCID: PMC5617432 DOI: 10.18632/oncotarget.18223] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 04/12/2017] [Indexed: 01/07/2023] Open
Abstract
Purpose The present study aimed to evaluate the clinicopathologic characteristics of patients with extranodal extension (ENE) and the prognostic implications of ENE in stage III colorectal cancer (CRC). Results ENE was more frequent in younger patients and those with rectal cancer, higher T stage, higher N stage, lymphovascular invasion (LVI), and perineural invasion (PNI). Five-year disease-free survival (DFS) and overall survival (OS) were lower in patients with ENE-positive than in those with ENE-negative tumors (DFS, 66.4% vs. 80.1%; and OS, 74.8% vs. 85.6%, respectively; P < 0.001 both). In multivariate analysis, pathologic stage, the presence of ENE, LVI, PNI, and no adjuvant chemotherapy were significant independent prognostic factors for DFS and OS. There were no statistically significant differences in DFS and OS between ENE-positive stage IIIB tumors and ENE-negative stage IIIC tumors. Materials and Methods The records of 1,948 stage III CRC patients who underwent curative surgery between January 2003 and December 2010 were retrospectively reviewed. Conclusions The presence of ENE is independently and significantly associated with lower DFS and OS rates after curative resection for stage III CRC. ENE status should be considered in both the pathologic report and CRC staging system.
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31
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Lymph node density vs. the American Joint Committee on Cancer TNM nodal staging system in node-positive bladder cancer in patients undergoing extended or super-extended pelvic lymphadenectomy. Urol Oncol 2017; 35:151.e1-151.e7. [PMID: 28139370 DOI: 10.1016/j.urolonc.2016.06.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 06/11/2016] [Accepted: 06/16/2016] [Indexed: 11/22/2022]
Abstract
PURPOSE We compared the prognostic value of the American Joint Committee on Cancer (AJCC) TNM nodal staging system with that of lymph node (LN) density in patients with LN-positive bladder cancer who received extended or super-extended pelvic lymphadenectomy. METHODS Of the 1,018 patients, who underwent radical cystectomy and pelvic lymphadenectomy between February 2005 and August 2014, 110 patients with LN metastases with extended (n = 68) or super-extended (n = 42) pelvic lymphadenectomy were included. All patients were staged using the 2002 (sixth edition) and 2010 (seventh edition) AJCC TNM staging systems. The association of several variables with recurrence-free survival (RFS) and overall survival (OS) was evaluated. RESULTS The median number of total LNs removed was 29 (6-118) and the median LN density was 12.5% (1.6%-100%). RFS and OS were not significantly different between the 2002 (pN1-pM1) and 2010 (pN1-N3) AJCC TNM nodal staging systems (sixth edition: P = 0.512 and P = 0.519; seventh edition: P = 0.676 and P = 0.671, respectively). The 2-year RFS and OS rates according to the LN density quartiles were 58.5% and 76.9% in Q1, 39.1% and 70.8% in Q2, 28.8% and 50.1% in Q3, and 12.7% and 20.8% in Q4 (P = 0.001 and P = 0.001, respectively). Multivariate analysis adjusted for the 2010 AJCC TNM staging system showed that LN density was associated with a decreased OS (HR = 1.024; 95% CI: 1.010-1.039; P = 0.001). The nodal staging system (2002 or 2010) was not associated with the RFS and OS. CONCLUSIONS LN density shows a better prognostic value than the AJCC TNM nodal staging system in patients with LN-positive bladder cancer receiving extended or super-extended pelvic lymphadenectomy.
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Gordetsky J, Gibson B, Stevens TM, Ellenburg JL, Grizzle W, Rais-Bahrami S. Occult Metastases in Pelvic Lymphadenectomy Specimens From Patients With Urothelial Carcinoma of the Bladder. Urology 2016; 94:161-6. [PMID: 27184604 PMCID: PMC10830253 DOI: 10.1016/j.urology.2016.03.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 03/17/2016] [Accepted: 03/24/2016] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To identify occult metastases within lymph nodes (LNs) reported as negative by routine histologic evaluation. In patients with high-grade, muscle-invasive urothelial carcinoma (UC) of the bladder, pelvic lymphadenectomy during radical cystectomy demonstrates a survival advantage, increasing with the number of LNs removed, even if negative for metastatic disease. This finding may potentially be explained by the presence of occult metastases. MATERIALS AND METHODS Radical cystectomy specimens with high-grade UC invading the perivesical tissue and negative LNs (pT3N0) between 2000 and 2014 were reviewed. Five levels were cut for each LN block. Two sections were cut per level: 1 stained for hematoxylin and eosin and 1 for AE1/AE3. Micrometastases were defined as tumor deposits >0.2 mm but <2 mm. Isolated tumor cells were defined as ≤0.2 mm. Medical records and survival data were reviewed. RESULTS We identified 21 cases, consisting of 370 lymph nodes. Six of 21 patients (29%) had occult metastases, including 5 occult metastatic UC and 1 occult metastatic prostate adenocarcinoma. There were 10 positive LNs; 2 macrometastases, 2 micrometastases, and 6 with ITCs. Two of 6 patients (33%) had lymphovascular invasion identified in the primary tumor. Kaplan-Meier analysis showed no significant difference in overall survival between the group of patients who remained N0 versus those upstaged due to discovery of occult metastases (P-value = .42). CONCLUSION In patients with pT3 UC undergoing cystectomy, we demonstrated the presence of occult metastases in 29% of patients. The high percentage of occult metastases present in these cases possibly explains the proven survival advantage of removing "negative" LNs. This finding might also have implications in the histologic evaluation of LNs.
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Affiliation(s)
- Jennifer Gordetsky
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL; Department of Urology, University of Alabama at Birmingham, Birmingham, AL.
| | - Briana Gibson
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL
| | - Todd M Stevens
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL
| | - J Luke Ellenburg
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL
| | - William Grizzle
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL
| | - Soroush Rais-Bahrami
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL; Department of Radiology, University of Alabama at Birmingham, Birmingham, AL
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Clinicopathologic Significance of Extranodal Tumor Extension in Colorectal Adenocarcinoma with Regional Lymph Node Metastasis. Gastroenterol Res Pract 2016; 2016:5620765. [PMID: 27195006 PMCID: PMC4853953 DOI: 10.1155/2016/5620765] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 03/30/2016] [Accepted: 03/31/2016] [Indexed: 11/17/2022] Open
Abstract
Background. This study investigated the clinicopathologic significance of extranodal tumor extension in colorectal adenocarcinoma with lymph node metastasis. Method. Included were 419 patients who underwent curative resection for primary colorectal adenocarcinoma. Results. Extranodal tumor extension was observed more frequently in tumors with ulceroinfiltrative gross type (p = 0.026), higher histologic grade (p = 0.012), high grade tumor budding (p = 0.003), vascular invasion (p < 0.001), perineural invasion (p = 0.015), tumor deposit (p < 0.001), high ratio of metastatic/total lymph nodes (p < 0.001), and high pN stage (p < 0.001). Overall survival was significantly different between an extranodal tumor extension (−) group and an extranodal tumor extension (+) group for both N1 (p = 0.022) and N2 homogeneous staging (p = 0.007). Both overall (p = 0.002) and disease-free survival (p = 0.001) were significantly different between the two groups in an N1a homogeneous group and overall survival was significantly different (p = 0.016) in an N2b homogeneous group. Conclusion. Our study demonstrated that extranodal tumor extension was a useful prognostic factor for colorectal adenocarcinoma with lymph node metastasis, especially in homogeneous pN staging groups.
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Cha EK, Thalmann GN, Bochner BH. Role of extended lymphadenectomy. Bladder Cancer 2015. [DOI: 10.1002/9781118674826.ch15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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The impact of female gender on bladder cancer-specific death risk after radical cystectomy: a meta-analysis of 27,912 patients. Int Urol Nephrol 2015; 47:951-8. [DOI: 10.1007/s11255-015-0980-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Accepted: 04/09/2015] [Indexed: 01/17/2023]
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Lucca I, Kassouf W, Kapoor A, Fairey A, Rendon RA, Izawa JI, Black PC, Fajkovic H, Seitz C, Remzi M, Nyirády P, Rouprêt M, Margulis V, Lotan Y, de Martino M, Hofbauer SL, Karakiewicz PI, Briganti A, Novara G, Shariat SF, Klatte T. The role of adjuvant chemotherapy for lymph node-positive upper tract urothelial carcinoma following radical nephroureterectomy: a retrospective study. BJU Int 2015; 116:72-8. [PMID: 24825476 DOI: 10.1111/bju.12801] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To evaluate the effect of adjuvant chemotherapy (AC) on mortality after radical nephroureterectomy (RNU) for upper tract urothelial carcinoma (UTUC) with positive lymph nodes (LNs) and to identify patient subgroups that are most likely to benefit from AC. PATIENTS AND METHODS We retrospectively analysed data of 263 patients with LN-positive UTUC, who underwent full surgical resection. In all, 107 patients (41%) received three to six cycles of AC, while 156 (59.3%) were treated with RNU alone. UTUC-related mortality was evaluated using competing-risks regression models. RESULTS In all patients (T(all) N+), administration of AC had no significant impact on UTUC-related mortality on univariable (P = 0.49) and multivariable (P = 0.11) analysis. Further stratified analyses showed that only N+ patients with pT3-4 disease benefited from AC. In this subgroup, AC reduced UTUC-related mortality by 34% (P = 0.019). The absolute difference in mortality was 10% after the first year and increased to 23% after 5 years. On multivariable analysis, administration of AC was associated with significantly reduced UTUC-related mortality (subhazard ratio 0.67, P = 0.022). Limitations of this study are the retrospective non-randomised design, selection bias, absence of a central pathological review and different AC protocols. CONCLUSIONS AC seems to reduce mortality in patients with pT3-4 LN-positive UTUC after RNU. This subgroup of LN-positive patients could serve as target population for an AC prospective randomised trial.
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Affiliation(s)
- Ilaria Lucca
- Department of Urology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Wassim Kassouf
- Department of Urology, McGill University, Montreal, QC, Canada
| | - Anil Kapoor
- Department of Urology, McMaster University, Hamilton, ON, Canada
| | - Adrian Fairey
- Department of Surgery (Urology), University of Alberta, Edmonton, AB, Canada
| | | | - Jonathan I Izawa
- Department of Surgery (Urology), University of Western Ontario, London, ON, Canada
| | - Peter C Black
- Department of Urological Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Harun Fajkovic
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christian Seitz
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Mesut Remzi
- Department of Urology, Landeskrankenhaus Weinviertel-Korneuburg, Korneuburg, Austria
| | - Peter Nyirády
- Department of Urology, Semmelweis University, Budapest, Hungary
| | - Morgan Rouprêt
- Department of Urology, Groupe Hospitalier Pitié - Salpêtrière, Assistance Publique Hopitaux de Paris, Faculty of Medicine Pierre et Marie Curie, Institut Universitaire de Cancérologie GRC5, University Paris 6, Paris, France
| | - Vitaly Margulis
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yair Lotan
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michela de Martino
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Sebastian L Hofbauer
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Pierre I Karakiewicz
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Centre, Montreal, QC, Canada
| | - Alberto Briganti
- Department of Urology, Urological Research Institute, San Raffaele Scientific Institute, Milan, Italy
| | - Giacomo Novara
- Department of Surgical, Oncological and Gastroenterologic Sciences, Urology Clinic, University of Padua, Padua, Italy
| | - Shahrokh F Shariat
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Department of Urology, Weill Cornell Medical College, New York-Presbyterian Hospital, New York, NY, USA
| | - Tobias Klatte
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
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Ahn TS, Kim HS, Jeong CW, Kwak C, Kim HH, Ku JH. Extracapsular Extension of Pelvic Lymph Node Metastasis is an Independent Prognostic Factor in Bladder Cancer: A Systematic Review and Meta-analysis. Ann Surg Oncol 2015; 22:3745-50. [PMID: 25613388 DOI: 10.1245/s10434-014-4359-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 11/18/2022]
Abstract
PURPOSE We aimed to elucidate the relation between extracapsular extension (ECE) and clinical outcomes in node-positive patients following radical cystectomy for bladder cancer. METHODS Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, we searched PubMed, SCOPUS, Web of Science, and Cochrane Library databases from their respective dates of inception until September 2014. RESULTS Ten articles that met the eligibility criteria included 43-748 subjects per study, with the total number of patients being 1,893. The frequency of ECE ranged from 36.6 to 58.1 %. The pooled hazard ratio (HR) was statistically significant for recurrence-free survival (RFS) [pooled HR 1.56; 95 % confidence interval (CI) 1.13-2.14] and cancer-specific survival (CSS) (pooled HR 1.60; 95 % CI 1.29-1.99) but not overall survival (OS) (pooled HR 1.47; 95 % CI 0.71-3.05). Heterogeneity in RFS (I (2) 84 %, p < 0.00001) and OS (I (2) 80 %, p = 0.03) was statistically significant. According to subgroup analysis with meta-regression analyses, "region" (pheterogeneity < 0.0001) and "analysis results" (pheterogeneity < 0.0001) were the sources of heterogeneity. Sensitivity analysis showed that omission of any study did not lead to a significant difference. No statistical evidence of publication bias regarding RFS or CSS was revealed among the studies using Begg's and Egger's tests. CONCLUSIONS This meta-analysis shows that ECE is an efficient prognostic factor for node-positive bladder cancer. However, large prospective studies are needed to confirm the clinical utility of ECE as an independent prognostic factor before these results can be applied clinically.
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Affiliation(s)
- Tae Sik Ahn
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Hyung Suk Kim
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Chang Wook Jeong
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Cheol Kwak
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Hyeon Hoe Kim
- Department of Urology, Seoul National University Hospital, Seoul, Korea
| | - Ja Hyeon Ku
- Department of Urology, Seoul National University Hospital, Seoul, Korea.
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Tan WS, Lamb BW, Payne H, Hughes S, Green JSA, Lane T, Adshead J, Boustead G, Vasdev N. Management of Node-Positive Bladder Cancer After Neoadjuvant Chemotherapy and Radical Cystectomy: A Survey of Current UK Practice. Clin Genitourin Cancer 2014; 13:e153-8. [PMID: 25510376 DOI: 10.1016/j.clgc.2014.11.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 11/12/2014] [Accepted: 11/13/2014] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Because of the lack of published evidence, this study was done to explore the decisions and rationale of uro-oncology consultants regarding the treatment of patients with muscle-invasive bladder cancer who have positive lymph nodes after radical cystectomy (RC) and neoadjuvant chemotherapy (NAC). MATERIALS AND METHODS An electronic survey was sent to UK pelvic cancer centers regarding: (1) choice of NAC regimen; (2) indications for reimaging; (3) choice and indication of adjuvant chemotherapy (AC) for patients with nodal disease after NAC and RC; (4) choice and indication of chemotherapy regimen if disease continues to progress in patients with advanced bladder cancer; and (5) guidelines used by those surveyed. RESULTS Consultant uro-oncologists from 77% of UK pelvic cancer centers responded, who treated a median of 13 patients per year with NAC before RC. Three cycles of gemcitabine and cisplatin was the most common NAC regimen, with 93% and 67% respondents giving it for downstaging of cN1- and cN2- and 3-positive patients, respectively. Forty-five percent would not give AC after NAC and RC in patients with positive lymph nodes. The patient's performance status, followed by response to NAC were key factors in dictating the use of AC. In the presence of disease progression, 46% of participants would use a taxane. Fifty-two percent of responders do not follow any guidelines. CONCLUSION In the United Kingdom, the treatment of patients with nodal disease after NAC and RC is variable. There is little evidence on which to base the management of such patients. The creation of national and international guidelines might help clinicians to optimize care for these patients.
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Affiliation(s)
- Wei Shen Tan
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, London, United Kingdom; Division of Surgery and Interventional Science, University College London, London, United Kingdom.
| | - Benjamin W Lamb
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, London, United Kingdom; Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Heather Payne
- Department of Oncology, University College London Hospitals, London, United Kingdom
| | - Simon Hughes
- Department of Oncology, Guy's Hospital, London, United Kingdom
| | - James S A Green
- Department of Urology, Whipps Cross University Hospital, Barts Health NHS Trust, London, United Kingdom; Department of Health and Social Care, London Southbank University, London, United Kingdom
| | - Tim Lane
- Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, United Kingdom
| | - Jim Adshead
- Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, United Kingdom
| | - Greg Boustead
- Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, United Kingdom
| | - Nikhil Vasdev
- Hertfordshire and South Bedfordshire Urological Cancer Centre, Department of Urology, Lister Hospital, Stevenage, United Kingdom
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Lee IS, Park YS, Ryu MH, Song MJ, Yook JH, Oh ST, Kim BS. Impact of extranodal extension on prognosis in lymph node-positive gastric cancer. Br J Surg 2014; 101:1576-84. [PMID: 25223244 DOI: 10.1002/bjs.9640] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 06/14/2014] [Accepted: 07/31/2014] [Indexed: 12/27/2022]
Abstract
BACKGROUND The TNM classification system is used widely for tumour staging, and directs the treatment and prognosis of patients with cancer. The aim of this study was to assess the prognostic value of extranodal extension (ENE) in patients with early gastric cancer. METHODS All patients who underwent gastrectomy with lymphadenectomy for primary gastric cancer with lymph node metastases between January 2003 and June 2006 were reviewed. Histological slides of metastatic nodes were reviewed by two gastrointestinal pathologists. The association of ENE with clinicopathological characteristics was assessed. The disease-specific survival rate was calculated by the Kaplan-Meier method, and a multivariable Cox regression model was used to identify independent prognostic factors. RESULTS Some 1143 patients were included. ENE was associated with advanced pT and pN category, larger tumour size and lymphovascular/perineural invasion. In multivariable analysis, pT category, pN category, ENE, lymphovascular invasion and perineural invasion were found to be independent prognostic factors in node-positive gastric carcinoma. The 5-year survival rate of patients with ENE was 48·1 per cent, compared with 78·2 per cent for patients without ENE (P < 0·001). In the subgroup of patients with early gastric cancer, ENE was associated with a worse 5-year survival rate in patients with early (T1) gastric cancer: 75 per cent in patients with ENE versus 96·9 per cent in those without (P < 0·001). CONCLUSION ENE is an independent prognostic factor in patients with early and advanced gastric cancer.
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Affiliation(s)
- I-S Lee
- Departments of Surgery, Ulsan University College of Medicine and Asan Medical Centre, Seoul, Korea
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Horn T, Schmid SC, Seitz AK, Grab J, Wolf P, Haller B, Retz M, Maurer T, Autenrieth M, Kübler HR, Gschwend JE. Clinical prognosticators of survival in patients with urothelial carcinoma of the bladder and lymph node metastases after cystectomy with curative intent. World J Urol 2014; 33:813-9. [DOI: 10.1007/s00345-014-1355-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 06/22/2014] [Indexed: 11/29/2022] Open
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Radical Cystectomy in a Dutch University Hospital: Long-Term Outcomes and Prognostic Factors in a Homogeneous Surgery-Only Series. Clin Genitourin Cancer 2014; 12:190-5. [DOI: 10.1016/j.clgc.2013.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Revised: 10/07/2013] [Accepted: 11/08/2013] [Indexed: 12/19/2022]
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Node-extranodal soft tissue stage based on extranodal metastasis is associated with poor prognosis of patients with gastric cancer. J Surg Res 2014; 192:90-7. [PMID: 24953988 DOI: 10.1016/j.jss.2014.05.053] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/14/2014] [Accepted: 05/16/2014] [Indexed: 11/22/2022]
Abstract
BACKGROUND The purpose of this study was to evaluate the effect of Node-Extranodal soft tissue (pNE) stage based on Extranodal Metastasis (EM) on recurrence and survival in patients with gastric cancer (GC). MATERIALS AND METHODS A total of 642 patients were divided into two groups according to statue of EM. Clinicopathologic features were compared among the two groups, the log-rank test was used to assess statistical differences between the groups. Independent prognostic factors were identified by the Cox proportional hazards regression model. According to the number of EMs, EM was incorporated into the pN stage of gastric carcinoma. The 5-y overall survival (OS) and disease free survival (DFS) rates were 48.1% and 17.4%, 44.5% and 14.3% between the two groups. Patients with EM had a deeper tumor invasion and more number of lymph node metastases. Peritoneal dissemination and distant metastasis were more frequent with EM. EM is an independent risk factor for distance recurrence (odds ratio = 1.605), and it is the highest risk factor for peritoneal recurrence (odds ratio = 2.448). Multivariate analysis showed that depth of tumor invasion (P = 0.025), lymph node metastasis (P <0.001), and EM (P = 0.006) were independent factors associated with OS. Furthermore, EM (P = 0.0039) was also an independent prognostic factor for DFS. The differences in prognostic prediction between the seventh edition of the pN classification and the pNE classification were directly compared. We found the pNE classification (hazard ratio = 1.730, P <0.001) was more appropriate for predicting the OS of GC patients after curative surgery, and the -2 loglikehood of the pNE staging (4533.991) is smaller than the value of pN. CONCLUSIONS EM was closely associated with cancer aggressiveness and the presence of EM was a significant independent predictor of reduced DFS and OS in GC patients. EM is an independent risk factor for distance recurrence, especially for peritoneal recurrence, the selection of postoperative adjuvant therapy in systemic (intravenous or intra-arterial) and regional (intraperitoneal) based on EM may be a reasonable approach. The lymph node imaging techniques such as injecting nanocarbon during surgery should be applied. As an important prognostic factor, EM should be incorporated into N stage according to its number retrieved in postoperative samples.
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Cancer-specific mortality following radical cystectomy for bladder cancer with lymph node involvement: impact of pathologic disease features and adjuvant chemotherapy. World J Urol 2014; 33:373-9. [DOI: 10.1007/s00345-014-1319-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 05/05/2014] [Indexed: 10/25/2022] Open
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Combining smoking information and molecular markers improves prognostication in patients with urothelial carcinoma of the bladder. Urol Oncol 2014; 32:433-40. [DOI: 10.1016/j.urolonc.2013.10.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 10/19/2013] [Indexed: 11/21/2022]
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Leow JJ, Chang SL, Bellmunt J. Reply from authors re: Cora N. Sternberg, Richard Sylvester. Thoughts on a systematic review and meta-analysis of adjuvant chemotherapy in muscle-invasive bladder cancer. Eur Urol 2014;66:55-6. Eur Urol 2014; 66:57-8. [PMID: 24568895 DOI: 10.1016/j.eururo.2014.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 02/04/2014] [Indexed: 10/25/2022]
Affiliation(s)
- Jeffrey J Leow
- Division of Urology and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Steven L Chang
- Division of Urology and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Joaquim Bellmunt
- Bladder Cancer Center, Dana-Farber/Brigham and Women's Hospital Cancer Center, Harvard Medical School, Boston, MA, USA.
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Zhang HD, Tang P, Duan XF, Chen CG, Ma Z, Gao YY, Zhang H, Yu ZT. Extranodal metastasis is a powerful prognostic factor in patients with adenocarcinoma of the esophagogastric junction. J Surg Oncol 2013; 108:542-9. [PMID: 24018956 DOI: 10.1002/jso.23430] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Accepted: 08/05/2013] [Indexed: 01/29/2023]
Abstract
BACKGROUND AND OBJECTIVES The purpose of this study is to estimate the effect of extranodal metastasis (EM) on recurrence and survival in patients with adenocarcinoma of the esophagogastric junction (AEG) after curative resection. METHODS Clinical data from 284 node-positive AEG patients who underwent curative resection were reviewed. Univariate and multivariate analyses were conducted to elucidate the effect of EM on recurrence-free survival (RFS) and overall survival (OS). RESULTS EM was detected in 70 (24.6%) of the 284 cases. It had a significant correlation with tumor size, Lauren type, histopathological grading, depth of tumor invasion, number of metastatic nodes, lymph node ratio, and TNM stage. The 5-year RFS and OS rates were 22.2% and 24.3%, respectively. Patients with EM had a significantly decreased RFS (16 vs. 36 months, P < 0.001) and OS (23 vs. 41 months, P < 0.001) compared with those without EM. Multivariate analyses identified EM as an independent prognostic factor (P = 0.003 and 0.001, respectively). CONCLUSION The presence of EM increases recurrence probability and reduces OS probability of AEG patients with lymph node metastasis. EM is a powerful prognostic factor reflecting a particularly aggressive biological behavior. Better understanding of EM status can help clinicians with regard to treatment decision and prognosis evaluation.
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Affiliation(s)
- Hong-Dian Zhang
- Department of Esophageal Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin City, Tianjin, China
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[Muscle invasive bladder cancer after radical cystectomy. Prognostic factors of adjuvant chemotherapy]. Urologe A 2013; 52:1233-41. [PMID: 23975218 DOI: 10.1007/s00120-013-3311-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND The indications to administer adjuvant systemic chemotherapy to patients with urothelial carcinoma of the bladder who underwent radical cystectomy is discussed controversially and all international guidelines are very restrictive with regard to its recommendation for routine daily practice due to the low scientific evidence concerning its therapeutic benefit. Currently, adjuvant systemic chemotherapy should be preferably administered within clinical trials. In the daily routine adjuvant treatment might be given in patients with lymph node positive disease. Clinical, pathohistological and molecular biomarkers which might be associated with a positive or negative treatment response have been evaluated sparsely in the past. RESULTS The presence of hemangiosis/lymphangiosis carcinomatosa and/or extranodal expansion in patients with lymph node metastases appears to be associated with a poor outcome. The markers ERCC-1, XAF and anti-apoptotic proteins of the Bcl-2 family seem to represent the most promising biomarkers associated with response to adjuvant cisplatin-based chemotherapy.
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Seiler R, Thalmann GN, Zehnder P. Pelvic lymph node dissection in the context of radical cystectomy: a thorough insight into the connection between patient, surgeon, pathologist and treating institution. Res Rep Urol 2013; 5:121-8. [PMID: 24400243 PMCID: PMC3826931 DOI: 10.2147/rru.s32333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Pelvic lymph node dissection (PLND) in patients with bladder cancer varies widely in extent, technique employed, and pathological workup of specimens. The present paper provides an overview of the existing evidence regarding the effectiveness of PLND and elucidates the interactions between patient, surgeon, pathologist, and treating institution as well as their cumulative impact on the final postoperative lymph node (LN) staging. Bladder cancer patients undergoing radical cystectomy with extended PLND appear to have better oncologic outcomes compared to patients undergoing radical cystectomy and limited PLND. Attempts have been made to define and assess the quality of PLND according to the number of lymph nodes identified. However, lymph node counts depend on multiple factors such as patient characteristics, surgical template, pathological workup, and institutional policies; hence, meticulous PLND within a defined and uniformly applied extended template appears to be a better assurance of quality than absolute lymph node counts. Nevertheless, the prognosis of the patients can be partially predicted with findings from the histopathological evaluation of the PLND specimen, such as the number of positive lymph nodes, extracapsular extension, and size of the largest LN metastases. Therefore, particular prognostic parameters should be addressed within the pathological report to guide the urologist in terms of patient counseling.
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Affiliation(s)
- Roland Seiler
- Department of Urology, University of Bern, Bern, Switzerland
| | | | - Pascal Zehnder
- Department of Urology, University of Bern, Bern, Switzerland
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Lymphadenectomy for bladder cancer at the time of radical cystectomy. Eur Urol 2013; 64:266-76. [PMID: 23648149 DOI: 10.1016/j.eururo.2013.04.036] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 04/19/2013] [Indexed: 11/21/2022]
Abstract
CONTEXT Although the importance of lymphadenectomy during radical cystectomy (RC) in high-risk non-muscle-invasive and muscle-invasive bladder cancer (BCa) is well accepted, the optimal extent of lymphadenectomy, number of lymph nodes (LNs) to be retrieved, and prognostic and therapeutic role of lymphadenectomy remain debated issues. OBJECTIVE In this review, we summarize the existing data on the value of lymphadenectomy for staging and outcome of BCa patients undergoing RC and lymphadenectomy. EVIDENCE ACQUISITION A systematic Medline/PubMed literature search of peer-reviewed scientific articles published from 1998 and 2012, concerning the role of lymphadenectomy in BCa patients, was carried out. The terms and permutations used were lymphadenectomy, bladder cancer/carcinoma, urothelial carcinomas, radical cystectomy, lymph node metastasis, lymph node dissection, bladder, recurrence, and survival. Selective older articles were included. EVIDENCE SYNTHESIS Bilateral pelvic lymphadenectomy is an integral part of RC for BCa. The literature regarding the role of lymphadenectomy in BCa patients in general is retrospective, nonstandardized, and of low-level quality in regard to evidence. Prospective randomized trials designed to define the optimal template of lymphadenectomy and its impact on oncologic outcome are advocated. Some of these studies are ongoing, and their completion and analyses are necessary to resolve controversies. CONCLUSIONS Many consistent and concordant observations, although of low level of evidence, document that the extent of lymphadenectomy may influence disease-free survival after RC independent of the status of LNs and the pathologic stage of BCa. Lymphadenectomy standardization at the time of RC to create evidence-based guidelines is essential for further improvement of surgical quality and BCa patient survival.
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Bensalah K, Roupret M, Xylinas E, Shariat S. The survival benefit of lymph node dissection at the time of removal of kidney, prostate and urothelial carcinomas: what is the evidence? World J Urol 2013; 31:1369-76. [PMID: 23588812 DOI: 10.1007/s00345-013-1064-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Accepted: 03/16/2013] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION Lymph node dissection (LND) has been advocated by oncologic surgeons to completely eradicate cancer. However, evidence for that strategy is solely based on poor quality data. Some randomized studies done outside the field of urology failed to show any benefit to LND. Our objective was to evaluate whether LND at the time of removal of prostate, kidney and urothelial carcinomas results in a survival benefit. METHODS For that purpose, we performed a systematic literature review. RESULTS For kidney cancer, LND might be able to cure some patients with N+ disease. In N0 patients, although a randomized trial has been completed, the value of LND remains uncertain. LND at the time of radical prostatectomy can be useful in some patients with lymph node invasion. However, studies on the impact of LND in pN0 patients are retrospective and conflictive. Extended LND has been recommended when performing a radical cystectomy based on improved outcomes observed in retrospective studies. However, these studies are limited by selection biases and results of ongoing randomized trials will specify the template and the advantages of LND when removing a bladder cancer. Recent data of large series of radical nephro-ureterectomies for upper tract urothelial carcinomas are conflicting. Some found a benefit of LND in N0 patients while others did not. CONCLUSION The studies that support LND at the time of surgery for prostate, kidney and urothelial carcinomas have low level of evidence. This should encourage urologists to design and perform well-designed randomized trials to assess the potential survival impact of a commonly done procedure.
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Affiliation(s)
- Karim Bensalah
- Department of Urology, Rennes University Hospital, University of Rennes, 2, rue Henri Le Guillou, 35000, Rennes, France,
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