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nephron sparing surgery

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https://www.readbyqxmd.com/read/29774822/partial-nephrectomy-in-central-renal-tumors
#1
Sohrab Arora, Craig Rogers
Nephron-sparing surgery, especially through a minimally invasive approach, is increasingly being performed for incidentally detected renal masses with excellent outcomes. Tumors in central location remain a surgical challenge during nephron-sparing surgery. In this chapter, we discuss the minimally invasive management of these tumors, which include complex hilar tumors and endophytic central tumors, with a focus on surgical technique. The key to management of these tumors is to maintain good preoperative hydration, achieving adequate exposure of tumor, and the use of intraoperative ultrasound to plan the resection plane...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29770263/evaluation-of-quantitative-and-qualitative-renal-outcome-following-nephron-sparing-surgery
#2
Gautam Ram Choudhary, Arup Kumar Mandal, Uttam Mete, Ravimohan Mavuduru, Anish Bhatacharia, Anupam Lal, Suresh Goyal
Purpose: Preservation of renal function after nephron-sparing surgery (NSS) is multifactorial and the impact of individual factors on it is still a debate. This prospective study investigates the impact of factors responsible for quantitative and functional outcome after NSS. Patients and Methods: Fifty-two patients of localized renal mass (≤7 cm) were included in the study. A contrast-enhanced computed tomography abdomen was performed for characterization of tumor...
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29733801/evaluation-of-renal-tumors-in-children
#3
Gülçin Bozlu, Elvan Çağlar Çıtak
OBJECTIVE: Renal tumors are not uncommon in children. In this study, we aimed to evaluate the clinical and pathological features of renal tumors in children. MATERIAL AND METHODS: Between January 2008 and December 2017, the records of children with renal tumors in our institution were retrospectively analyzed. Data collected were composed of demographic and clinical characteristics including gender, age at time of diagnosis, symptoms, laterality of the tumor and pathological evaluation...
May 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29732207/oncological-and-functional-efficacy-of-nephron-sparing-surgery-versus-radical-nephrectomy-in-renal-cell-carcinoma-stages-%C3%A2-ct1b-a-single-institution-matched-analysis
#4
Ralf Veys, Firas Abdollah, Alberto Briganti, Maarten Albersen, Hein Van Poppel, Steven Joniau
Introduction: The purpose of this paper is to compare oncological outcomes of partial nephrectomy (PN) versus radical nephrectomy (RN) in renal cell carcinoma (RCC) clinical stages ≥T1b, in a retrospective propensity-score matched cohort of a high-volume, tertiary referral center. This paper also aims to compare renal function and complication rates between groups. Material and methods: Our single-institution RCC database was queried to select patients with clinical stages defined by tumor size (T), lymph nodes(N), and metastasis (M) scores of T1b-4 N0 M0, that underwent PN or RN between 2000 and 2014...
2018: Central European Journal of Urology
https://www.readbyqxmd.com/read/29723675/retroperitoneal-laparoscopic-nephron-sparing-surgery-for-large-renal-angiomyolipoma-our-technique-and-experience-a-case-series-of-41-patients
#5
Xin Liu, Xin Ma, Qiming Liu, Qingbo Huang, Xintao Li, Baojun Wang, Hongzhao Li, Xu Zhang
OBJECTIVES: To introduce a 'kidney priority' strategy in treating large renal angiomyolipoma (RAML) with retroperitoneal laparoscopic nephron sparing surgery (RLNSS). PATIENTS AND METHODS: From 2010 to 2017, 41 patients with large RAML underwent RLNSS. Distinguished from the standard practice, the kidney was preferentially mobilized and separated from the RAML. Subsequently, it was reconstructed. Finally, the RAML was resected from the perinephric fat. The perioperative variables, surgical technique and complications were reviewed...
April 30, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29723587/duplex-ultrasound-guided-direct-percutaneous-management-of-pseudoaneurysm-of-branch-of-segmental-renal-artery-technique-and-its-outcome
#6
Kumar Manoj, Gaurav Garg, Deepak Nagathan, Sanjeev Kumar Verma, Neera Kohli, Santosh Kumar, Sant Kumar Pandey, Satya Narayan Sankhwar
OBJECTIVE: To describe the role of Duplex-Ultrasound Imaging (DUI) in prompt diagnosis of pseudoaneurysm (PSA) of a branch of the segmental renal artery (b-SRA) and evaluate outcomes of DUI directed percutaneous embolization. METHODS: Forty-five patients were referred to us for the management of intractable renal hematuria. 20 cases (44.44%) had developed PSA after nephrolithotomy. 12 cases (12.66%) had developed PSA after guided renal biopsies. 6 cases (13.33%) had developed PSA following road side trauma...
April 30, 2018: Urology
https://www.readbyqxmd.com/read/29723225/survival-outcomes-in-patients-with-large-%C3%A2-7cm-clear-cell-renal-cell-carcinomas-treated-with-nephron-sparing-surgery-versus-radical-nephrectomy-results-of-a-multicenter-cohort-with-long-term-follow-up
#7
M W W Janssen, J Linxweiler, S Terwey, S Rugge, C-H Ohlmann, F Becker, Ch Thomas, A Neisius, J W Thüroff, S Siemer, M Stöckle, F C Roos
BACKGROUND: Does the dogma of nephron sparing surgery (NSS) still stand for large renal masses? Available studies dealing with that issue are considerably biased often mixing imperative with elective indications for NSS and also including less malignant variants or even benign renal tumors. Here, we analyzed the oncological long-term outcomes of patients undergoing elective NSS or radical tumor nephrectomy (RN) for non-endophytic, large (≥7cm) clear cell renal carcinoma (ccRCC). METHODS: Prospectively acquired, clinical databases from two academic high-volume centers were screened for patients from 1980 to 2010...
2018: PloS One
https://www.readbyqxmd.com/read/29719341/renal-cell-carcinoma-in-renal-allograft-case-series-and-review-of-literature
#8
Gaurav Vasisth, Anil Kapoor, Kevin Piercey, Shahid Lambe
Renal cell carcinoma (RCC) in transplanted kidneys has been reported sporadically with incidence of about 0.5%. There are currently no standard guidelines on the management of allograft RCC in renal transplant recipients. Our objective was to study effectiveness of nephron-sparing surgery (NSS) for allograft RCC. We performed a retrospective analysis of patients with RCC in renal allografts managed with NSS in our institution from January 2000 to December 2015. Patient demographics, interval between transplant and RCC diagnosis, operative parameters, perioperative complications, final pathology, and renal function were evaluated...
April 2018: Urology Annals
https://www.readbyqxmd.com/read/29715137/nephrometry-scores-the-effect-of-imaging-on-routine-read-out-and-prediction-of-outcome-of-nephron-sparing-surgery
#9
Jula Wadle, Svetlana Hetjens, Judith Winter, Julia Mühlbauer, Manuel Neuberger, Frank Waldbillig, Frederik Wessels, Niklas Westhoff, Philipp Riffel, Nina Wagener, Patrick Honeck, Maximilian Christian Kriegmair
BACKGROUND/AIM: This study investigated the impact of available preoperative imaging on the reliability and predictive accuracy of RENAL and PADUA nephrometry-scoring systems for renal tumors. PATIENTS AND METHODS: Five urologists determined RENAL and PADUA scores using preoperative imaging data (computed tomography and magnetic resonance imaging) of 100 patients admitted for partial nephrectomy with the following combinations: T0: transverse planes without excretory phase (EP), TC0: transverse and coronal planes without EP, TC1: transverse and coronal planes with EP...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29705138/what-is-the-risk-of-local-recurrence-after-laparoscopic-transperitoneal-radical-nephrectomy-in-children-with-wilms-tumours-analysis-of-a-local-series-and-review-of-the-literature
#10
Aurore Bouty, Kate Burnand, Michael Nightingale, Annie Roberts, Marty Campbell, Mike O'Brien, Yves Heloury
BACKGROUND: To reduce long-term morbidity (adhesions-related complications and impaired quality of life due to scars), laparoscopy has been used as an alternative to open surgery in Wilms tumours (WTs). However, concerns have been raised on the risk of local recurrence after this type of resection. OBJECTIVE: The aim was to determine the incidence of local recurrence after laparoscopic transperitoneal radical nephrectomy (LTRN). STUDY DESIGN: We analysed 18 local cases and conducted a review of the English literature in Pubmed from 2004 to 2017 with the following keywords: (Wilms OR nephroblastoma) AND (laparoscopy OR minimally invasive surgery) AND 2004:3000...
April 12, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29704588/case-report-nephron-sparing-surgery-in-a-patient-with-bilateral-multifocal-wilms-tumor
#11
Diana K Bowen, Christopher J Long, Frank M Balis, Thomas F Kolon
We present a case of bilateral multifocal Wilms tumor in a non-syndromic 12 month old male. Our management approach included twelve weeks of preoperative chemotherapy for maximal tumor shrinkage and, despite the central location of the tumors, successful staged bilateral nephron-sparing surgery. We advocate for a broader application of nephron-sparing surgery in Wilms tumor cases with the goal of preserving renal function without compromising oncologic outcomes.
April 25, 2018: Urology
https://www.readbyqxmd.com/read/29699856/nephron-sparing-surgery-in-tumours-greater-than-7cm
#12
N de Saint Aubert, F Audenet, F Mccaig, C Delavaud, V Verkarre, T Le Guilchet, C Dariane, C Pettenati, H Slaoui, A Mejean, M O Timsit
INTRODUCTION: Partial nephrectomy (PN) is the gold standard treatment for renal cell carcinomas under 4cm. No robust data exists to recommend PN for tumours>7cm (cT2). The objective of this work is to evaluate the results of PN for cT2 tumours. PATIENTS AND METHODS: All patients who underwent PN or radical nephrectomy (RN) for cT2 tumours between 2000 and 2013 at our institution have been included. Patient demographics, postoperative data including renal function, morbidity, mortality and oncologic outcomes were reviewed retrospectively and compared using χ2 test, Mann-Whitney test, Kaplan-Meier method and log rank test...
April 23, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29691592/-minimally-invasive-vs-open-partial-nephrectomy-perioperative-success-and-complication-rates
#13
A Boy, J Hein, M Bollow, D Lazica, A Roosen, B Ubrig
BACKGROUND: Solid renal masses are increasingly treated with nephron-sparing surgery. As in other uro-oncological surgical techniques, minimally invasive and robotic-assisted techniques are becoming increasingly popular. OBJECTIVES: The perioperative results from minimally invasive nephron-sparing surgery versus open surgery were retrospectively compared. MATERIALS AND METHODS: In our single center retrospective study, all patients who underwent nephron-sparing tumor excision between 2006 and 2016 were divided into two groups (group O = open approach and group M = minimally invasive approach)...
April 24, 2018: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/29686964/extensive-synchronous-bilateral-wilms-tumor-treated-with-nephron-sparing-surgery
#14
Laura DiChiacchio, Nicole M Shockcor, Regina Macatangay, Eric Strauch
No abstract text is available yet for this article.
May 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29684956/-clinical-utility-of-upper-urinary-tract-reconstruction-by-ileal-ureter-substitution
#15
Yoshinaga Okumura, Shusuke Akamatsu, Yoshiyuki Okada, Hiromitsu Negoro, Takashi Kobayashi, Naoki Terada, Toshinari Yamasaki, Yoshiyuki Matsui, Takahiro Inoue, Tomomi Kamba, Osamu Ogawa
We retrospectively reviewed the indications and outcomes of ileal-ureter substitution cases for complex ureteral reconstruction. We analyzed the patient clinical characteristics, outcomes, and complications of eight patients who had ileal ureter substitution surgery at Kyoto University Hospital between 2009 and 2016. The median patient age was 55.5 years (36-79), and the median follow up period was 25.5 months (7-85). Seven patients had unilateral ureteral obstruction (right:left=4:3), and one had bilateral ureteral obstruction...
March 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29662540/the-impact-of-comorbidities-sex-and-age-on-the-occurrence-of-acute-kidney-injury-among-patients-undergoing-nephron-sparing-surgery
#16
Elias Hellou, Zaher Bahouth, Edmond Sabo, Zaid Abassi, Ofer Nativ
Background: The aim of this study was to report the impact of patients' baseline characteristics on the incidence of acute kidney injury (AKI) after nephron-sparing surgery (NSS) for localized kidney cancer. Patients and methods: Data from our kidney cancer database were retrospectively extracted to include 402 patients who underwent NSS between March 2000 and June 2016, and had sufficient data. Definition of AKI was based on the postoperative serum creatinine levels and estimated glomerular filtration rate (eGFR) magnitude, which were measured during the 72 h after surgery...
March 2018: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/29626285/image-guided-minimally-invasive-treatment-for-small-renal-cell-carcinoma
#17
REVIEW
Miltiadis E Krokidis, Panagiotis Kitrou, Stavros Spiliopoulos, Dimitrios Karnabatidis, Konstantinos Katsanos
Surgical partial nephrectomy is still considered as the "gold standard" for the definitive management of small malignant renal masses, whereas treatment with image-guided percutaneous ablation is still mainly reserved for those patients who cannot undergo nephron-sparing surgical resection due to advanced age, underlying comorbidities or compromised renal function. Nonetheless, the recent evidence that underlines the long-term oncological equipoise of percutaneous ablation methods with surgical resection in combination with the reduced complication rate and cost supports the use of an image-guided minimally invasive approach as a first-line treatment...
April 6, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29617076/completely-endophytic-renal-tumor-a-laparoscopic-approach
#18
Victor Espinheira Santos, Rafael Ribeiro Meduna, Wilson Bachega, Gustavo Cardoso Guimarães
Kidney cancer is the third most common urologic malignancy and a 2% annual increase in the incidence has occurred over the past two decades, largely because of the increased utilization of imaging. The majority of these tumors are small, so the indications for nephron-sparing surgery and for minimally invasive surgery are continually expanding. Complex kidney lesions, such as those completely endophytic, are still a challenge even for experienced surgeons. Our objective is to demonstrate the operative technique for laparoscopic partial nephrectomy with the aid of intra-operative ultrasound in a man with a totally endophytic renal lesion...
March 15, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29603575/time-trends-in-service-provision-and-survival-outcomes-for-renal-cancer-patients-treated-by-nephrectomy-in-england-2000-2010
#19
Ray C J Hsu, Matthew Barclay, Molly A Loughran, Georgios Lyratzopoulos, Vincent J Gnanapragasam, James N Armitage
OBJECTIVE: To describe the temporal trends in nephrectomy practice and outcomes for English renal cell carcinoma (RCC) patients. PATIENTS & METHODS: Adult RCC nephrectomy patients treated between 2000 and 2010 were identified in the National Cancer Data Repository (NCDR) and Hospital Episode Statistics (HES) and followed up for death through 2015 (n=30,763). We estimated the annual frequency for each nephrectomy type, the hospital and surgeon numbers and their case volumes...
March 30, 2018: BJU International
https://www.readbyqxmd.com/read/29572054/nephron-sparing-surgery-for-syndromic-wilms-tumor-robotic-approach
#20
Priyank Yadav, Amita Mahajan, Deepak K Kandpal, Sujit K Chowdhary
The current standard treatment for stage I Wilms' tumor is open radical nephrectomy. Patients with WAGR syndrome and Wilms' tumor have risk of contralateral tumor and are a group of patients benefitted by nephron sparing surgery (NSS). Whereas laparoscopic NSS has been attempted in such patients, due to the inherent technical limitations it has failed to gain popularity. Robotic approach for NSS overcomes limitations of movement and dexterity occurring with laparoscopic approach. However, the current experience of robotic NSS in children is very limited...
March 20, 2018: Urology
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