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nephron sparing surgery

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https://www.readbyqxmd.com/read/29127451/development-and-validation-of-3d-printed-virtual-models-for-robot-assisted-radical-prostatectomy-and-partial-nephrectomy-urologists-and-patients-perception
#1
Francesco Porpiglia, Riccardo Bertolo, Enrico Checcucci, Daniele Amparore, Riccardo Autorino, Prokar Dasgupta, Peter Wiklund, Ashutosh Tewari, Evangelos Liatsikos, Cristian Fiori
PURPOSE: To test the face and content validity of 3D virtual-rendered printed models used before robot-assisted prostate cancer and nephron-sparing surgery. METHODS: Patients who underwent live surgery during an international urological meeting organized in January 2017 were enrolled. Those with organ-confined prostate cancer underwent robot-assisted radical prostatectomy. Patients with a single renal tumor underwent minimally invasive nephron-sparing surgery. High-resolution (HR) imaging was obtained for all patients...
November 10, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29108329/risk-of-acute-myocardial-infarction-in-upper-tract-urothelial-carcinoma-patients-receiving-radical-nephroureterectomy-a-population-based-cohort-study
#2
Shih-Yi Lin, Cheng-Li Lin, Chao-Hsiang Chang, His-Chin Wu, I-Kuan Wang, Che-Yi Chou, Ji-An Liang
Background: The outcomes of upper tract urothelial carcinoma (UTUC) receiving radical nephroureterectomy were usually limited to small sample size, case-control studies, and often focused on cancer progression. Risk of acute myocardial infarction (AMI) in these patients was never investigated. Results: The overall incidences of AMI were 3.39, 1.44, and 1.70 per 10,000 person-years in the radical nephroureterectomy, nonnephroureterectomy, and non-UTUC cohorts, respectively...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29104862/multiplex-partial-nephrectomy-repeat-partial-nephrectomy-and-salvage-partial-nephrectomy-remain-the-primary-treatment-in-multifocal-and-hereditary-kidney-cancer
#3
REVIEW
Joseph A Baiocco, Adam R Metwalli
The standard of care treatment for solitary renal cell carcinoma (RCC) tumors 4 cm or less is partial nephrectomy (PNx). However, multifocal kidney cancer presents unique challenges for treating physicians. Historically, total nephrectomy and hemodialysis with possible renal transplant later was the primary therapeutic strategy for these patients. Later, as nephron sparing surgical approaches improved, PNx became the standard of care for patients presenting with multifocal and hereditary RCC. Surgeries to remove multiple renal tumors simultaneously produce different perioperative outcomes and increased risk of complications...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29098196/perirenal-abscess-after-partial-nephrectomy-because-of-migration-of-upper-calix-stone-and-urine-leakage-a-case-report
#4
Sheng-Chun Hung, Li-Wen Chang, Cheng-Kuang Yang
Background: Nephron-sparing surgery has been shown to achieve oncological results equivalent to those of radical nephrectomy in patients with compromised renal function who have renal tumors <4 cm. However, technical difficulties and potential surgical complications remain challenges to the surgeon. Various factors, such as tumor size and location, collecting system invasion, and patient's expectations, are major concerns that may affect the feasibility of performing an effective partial nephrectomy. We report a patient with renal cell carcinoma who underwent open partial nephrectomy and suffered from complications of perirenal abscess because of stone migration, obstruction, and subsequence urine leakage...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29090118/the-risks-of-renal-angiomyolipoma-reviewing-the-evidence
#5
REVIEW
Raouf M Seyam, Waleed K Alkhudair, Said A Kattan, Mohamed F Alotaibi, Hassan M Alzahrani, Waleed M Altaweel
Renal angiomyolipoma (RAML), though a rare benign tumor, may impose a significant morbidity or even mortality due to its unique characteristics and the complications subsequent to its treatment. The classic tumor variant is composed of smooth muscular, vascular, and fatty components. The most straightforward diagnosis is when the fat component is abundant and gives a characteristic appearance on different imaging studies. In fat-poor lesions, however, the diagnosis is difficult and presumed a renal cell carcinoma...
2017: Journal of Kidney Cancer and VHL
https://www.readbyqxmd.com/read/29084084/hydrogen-sulfide-improves-endothelial-dysfunction-in-hypertension-by-activating-peroxisome-proliferator-activated-receptor-delta-endothelial-nitric-oxide-synthase-signaling
#6
Lin Xiao, Jing-Hui Dong, Xu Teng, Sheng Jin, Hong-Mei Xue, Shang-Yu Liu, Qi Guo, Wei Shen, Xiao-Chen Ni, Yu-Ming Wu
OBJECTIVE: We aimed to elucidate the ameliorative effect of hydrogen sulfide (H2S) on endothelium-dependent relaxation disturbances via peroxisome proliferator-activated receptor delta/endothelial nitric oxide synthase (PPARδ/eNOS) pathway activation in hypertensive patients and rats. METHODS: Renal arteries were collected from normotensive and hypertensive patients who underwent nephron-sparing surgery. Renal arteries from 37 patients were cultured with or without sodium H2S (NaHS) 50 μmol/l...
October 27, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29072806/strategies-for-success-a-multi-institutional-study-on-robotic-partial-nephrectomy-for-complex-renal-lesions
#7
D B Hennessey, G Wei, D Moon, N Kinnear, D M Bolton, N Lawrentschuk, Y K Chan
OBJECTIVE: Due to their size, location and proximity to the hilum, some complex renal tumours may preclude a minimally invasive approach to nephron sparing surgery. We describe our technique, illustrated with images and videos, of robotic partial nephrectomy for challenging renal tumours. PATIENTS AND METHODS: A study of 249 patients who underwent robotic partial nephrectomy (RPN) in multiple institutions was performed. Patients were identified using prospective RPN databases...
October 26, 2017: BJU International
https://www.readbyqxmd.com/read/28967553/outcomes-after-cryoablation-versus-partial-nephrectomy-for-sporadic-renal-tumors-in-a-solitary-kidney-a-propensity-score-analysis
#8
Bimal Bhindi, Ross J Mason, Mustafa M Haddad, Stephen A Boorjian, Bradley C Leibovich, Thomas D Atwell, Adam J Weisbrod, Grant D Schmit, R Houston Thompson
BACKGROUND: While partial nephrectomy (PN) is considered the standard approach for a tumor in a solitary kidney, percutaneous cryoablation (PCA) is emerging as an alternative nephron-sparing option. OBJECTIVE: To compare outcomes between PCA and PN for tumors in a solitary kidney. DESIGN, SETTING, AND PARTICIPANTS: Patients who underwent PCA or PN between 2005 and 2015 for a single primary renal tumor in a solitary kidney were identified using Mayo Clinic Registries...
September 26, 2017: European Urology
https://www.readbyqxmd.com/read/28947365/transarterial-chemoembolization-of-renal-cell-carcinoma-a-prospective-controlled%C3%A2-trial
#9
Amar Karalli, Ramin Ghaffarpour, Rimma Axelsson, Lars Lundell, Bela Bozoki, Torkel Brismar, Ove Gustafsson
PURPOSE: To prospectively assess feasibility, safety, and cytoreductive effect of transarterial chemoembolization on renal cell carcinoma (RCC) using drug-eluting embolic agent (DEE) saturated with doxorubicin compared with transarterial embolization (TAE). MATERIALS AND METHODS: Between 2012 and 2015, 12 patients (male/female = 5/7, age 66 y ± 9.8) with biopsy-verified RCC eligible for nephron-sparing surgery or radical nephrectomy were recruited. Mean tumor size was 3...
September 22, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28937805/laparoscopic-partial-nephrectomy-a-narrative-review-and-comparison-with-open-and-robotic-partial-nephrectomy
#10
Andrew M Ng, Paras H Shah, Louis R Kavoussi
INTRODUCTION: Kidney cancer ranks among the top 10 most prevalent cancers in Western society, ∼90% of which are renal cell carcinomas. There has been a paradigm shift in the management of small renal masses with strong emphasis now placed on nephron-sparing surgery and increased utilization of laparoscopic approaches to partial nephrectomy. In this review, the current state of laparoscopic partial nephrectomy (LPN) is discussed. EVIDENCE ACQUISITION: The PubMed database was queried using the MeSH terms "laparoscopy" and "nephrectomy," as well as the search term "partial...
October 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28867583/-hybrid-operating-room-for-what
#11
M Benoit, A Bouvier, P Bigot
Hybrid operating rooms (HOR) are rooms that mix interventional radiology and surgical equipments. They are usually used in heart, vascular, orthopedic and neurosurgery, and make it possible to consider new minimally invasive procedures in urology. Thanks to these, we developed a new partial nephrectomy technique without renal pedicle clamping and without ischemia. Renal cancer is now diagnosed at localized stage in most of the cases, and its treatment is mostly based on nephron sparing surgery. However, the hemorrhagic character of this intervention requires a renal pedicle clamping whose long-term consequences on renal function are discussed...
November 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28836063/prognostic-significance-of-fuhrman-grade-and-age-for-cancer-specific-and-overall-survival-in-patients-with-papillary-renal-cell-carcinoma-results-of-an-international-multi-institutional-study-on-2189-patients
#12
H Borgmann, M Musquera, A Haferkamp, A Vilaseca, T Klatte, S F Shariat, A Scavuzzo, M A Jimenez Rios, I Wolff, U Capitanio, P Dell'Oglio, L M Krabbe, E Herrmann, T Ecke, D Vergho, N Huck, N Wagener, S Pahernik, S Zastrow, M Wirth, C Surcel, C Mirvald, K Prochazkova, G Hutterer, R Zigeuner, L Cindolo, M Hora, C G Stief, M May, S D Brookman-May
PURPOSE: Because the prognostic impact of the clinical and pathological features on cancer-specific survival (CSS) and overall survival (OS) in patients with papillary renal cell carcinoma (papRCC) is still controversial, we want to assess the impact of clinicopathological features, including Fuhrman grade and age, on survival in surgically treated papRCC patients in a large multi-institutional series. METHODS: We established a comprehensive multi-institutional database of surgically treated papRCC patients...
August 23, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28830229/cryoablation-of-renal-angiomyolipoma-an-evaluation-of-safety-and-efficacy
#13
Ahmad Makki, Ole Graumann, Søren Høyer, Jan Solvig, Øyvind Østraat, Mia Gebauer Madsen, Tommy Kjærgaard Nielsen
BACKGROUND: Small series have reported that cryoablation (CA) is a safe and feasible minimally invasive nephron-sparing alternative for the treatment of renal angiomyolipomas (renal AMLs). The aim of the present study was to investigate the safety and efficacy of CA in patients with renal AML. MATERIALS AND METHODS: A retrospective review of 19 renal AML lesions treated with CA at Aarhus University Hospital, Denmark, over a 5-year period. RESULTS: The treatment was performed as laparoscopy-assisted CA on 7 lesions, and in the remaining 12 lesions CA was performed as a percutaneous ultrasound-guided CA...
November 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28822586/intravenous-mannitol-versus-placebo-during-partial-nephrectomy-in-patients-with-normal-kidney-function-a-double-blind-clinically-integrated-randomized-trial
#14
Massimiliano Spaliviero, Nicholas E Power, Katie S Murray, Daniel D Sjoberg, Nicole E Benfante, Melanie L Bernstein, James Wren, Paul Russo, Jonathan A Coleman
BACKGROUND: Mannitol is currently used as a renal protective agent to mitigate the effects of renal ischemia during nephron-sparing surgery (NSS). This routine practice lacks rigorous methodological study. OBJECTIVE: To assess the effect on renal function outcomes after surgery of mannitol infusion prior to renal ischemia during NSS. DESIGN, SETTING, PARTICIPANTS: This prospective, randomized, placebo-controlled, double-blind trial included 199 patients with a preoperative estimated glomerular filtration rate (eGFR) >45ml/min/1...
August 16, 2017: European Urology
https://www.readbyqxmd.com/read/28803678/laparoscopic-partial-nephrectomy-with-prior-superselective-embolisation-as-treatment-for-giant-renal-angiomyolipoma
#15
A Husillos Alonso, D Subirá Ríos, E Bolufer Moragues, I Lopez Díez, I Moncada Iribarren, C González Enguita
OBJECTIVE: Cases of giant renal angiomyolipoma (>9cm) are a therapeutic challenge due to their low frequency and large size. The treatment objective for patients with renal angiomyolipoma should be complete tumour extirpation, with a nephron-sparing surgical technique, without complications and using a minimally invasive approach. MATERIAL AND METHODS: We present 3 cases of giant angiomyolipoma (10 12 and 14cm) treated with a combined approach: superselective embolisation and subsequent laparoscopic partial nephrectomy, in 3 separate hospitals...
August 10, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28803448/microvascular-and-lymphovascular-tumour-invasion-are-associated-with-poor-prognosis-and-metastatic-spread-in-renal-cell-carcinoma-a-validation-study-in-clinical-practice
#16
Jens Bedke, Johannes Heide, Silvia Ribback, Steffen Rausch, Michela de Martino, Marcus Scharpf, Andrea Haitel, Uwe Zimmermann, Maik Pechoel, Hussam Alkhayyat, Shahrokh F Shariat, Frank Dombrowski, Arnulf Stenzl, Martin Burchardt, Tobias Klatte, Nils Kroeger
OBJECTIVE: To validate microvascular (MVI) and lymphovascular (LVI) invasion as prognostic factors in patients with renal cell carcinoma (RCC). PATIENTS AND METHODS: Data of patients with RCC who underwent radical or nephron-sparing surgery were prospectively collected from three academic centres. The occurrence of MVI and LVI was determined with standard staining protocols by experienced pathologists at the time of diagnosis. The association of MVI and LVI with clinicopathological data, metastatic spread, and cancer-specific survival (CSS) were evaluated with Fisher's exact tests, binary logistic regression analyses, and univariable and multivariable Cox proportional hazard regression models...
August 13, 2017: BJU International
https://www.readbyqxmd.com/read/28802883/neoadjuvant-therapy-for-localized-and-locally-advanced-renal-cell-carcinoma
#17
REVIEW
Ahmet Bindayi, Zachary A Hamilton, Michelle L McDonald, Kendrick Yim, Frederick Millard, Rana R McKay, Steven C Campbell, Brian I Rini, Ithaar H Derweesh
Neoadjuvant Targeted Molecular Therapy in the setting of localized and locally advanced renal cell carcinoma has emerged as a strategy to render primary renal tumors amenable to planned surgical resection in settings where radical resection or nephron-sparing surgery was not thought to be safe or feasible. Presurgical tumor reduction has been demonstrated in a number of studies including a recently published randomized double-blind placebo-controlled study, and an expanding body of literature suggests benefit in select patients...
August 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28802570/organ-preservation-is-less-frequently-performed-in-women-surgically-treated-for-papillary-renal-cell-carcinoma-results-of-a-comprehensive-multicenter-study
#18
Ingmar Wolff, Anna Scavuzzo, Umberto Capitanio, Tobias Klatte, Shahrokh F Shariat, Nina Wagener, Stefan Zastrow, Hendrik Borgmann, Laura-Maria Krabbe, Georg Hutterer, Matthias May, Sabine D Brookman-May
OBJECTIVE: To analyze the impact of gender on the clinicopathologic features and survival of patients with surgically treated papillary renal cell carcinoma (papRCC) using a comprehensive international multicenter database. MATERIALS AND METHODS: Data of 2325 patients undergoing surgery for unilateral papRCC between 1984 and 2015 in 17 European and North American centers were retrospectively collated. The impact of clinicopathologic features on the likelihood of nephron-sparing surgery (NSS) was evaluated using a multivariable logistic regression model...
November 2017: Urology
https://www.readbyqxmd.com/read/28801061/european-temporal-trends-in-the-use-of-lymph-node-dissection-in-patients-with-renal-cancer
#19
U Capitanio, G D Stewart, A Larcher, I Ouzaid, B Akdogan, M Roscigno, M Marszalek, P Dell'Oglio, M Salagierski, A Volpe, M C Mir, M Kriegmair, C Terrone, S D Brookman-May, F Montorsi, T Klatte
BACKGROUND: The role of lymph node dissection (LND) in renal cell carcinoma (RCC) is still under debate. We aimed to assess the utilization rates of LND over time in Europe. METHODS: A multi-institutional database of 13,581 RCC patients who underwent radical nephrectomy (RN) or nephron sparing surgery (NSS) between 1988 and 2014 was created within an European consortium. We analysed temporal trends in the frequency of LND by using Joinpoint regression. Logistic regression models were used to identify predictors of LND...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28795136/renal-autotransplantation-and-extracorporeal-nephron-sparing-surgery-for-de-novo-renal-cell-carcinoma-in-a-kidney-allograft
#20
Shinichiro Ono, Takashi Kenmochi, Taihei Ito, Naohiro Aida, Kazunori Otsuki, Naotake Akutsu, Michihiro Maruyama, Mamoru Kusaka, Ryoichi Shiroki, Kiyotaka Hoshinaga
De novo renal cell carcinoma (RCC) rarely occurs in kidney allografts; however, the risk of RCC in these patients is 100-fold that of the general healthy population. Although total nephrectomy has been the standard treatment for kidney allograft RCC, several authors have reported that early-stage RCC in kidney allografts was successfully treated with nephron-sparing surgery. We herein describe a new procedure involving renal autotransplantation and extracorporeal nephron-sparing surgery, which was performed to treat de novo RCC near the hilum of a transplanted kidney...
August 2017: Transplantation Direct
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