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'Nephrectomy Partial' (6807)


Feb
2018

To describe the pathological characteristics of the peritumoral non-neoplastic renal parenchyma (NNRP) and to investigate their impact on long-term renal function after partial nephrectomy.
In our institutional robotic partial nephrectomy database, we identified 394 cases with pathological assessment of the NNRP and long-term postoperative renal functional follow-up. The NNRP was classified as normal (healthy renal parenchyma) or abnormal, based on the presence of arteriosclerosis, glomerulosclerosis, interstitial fibrosis, interstitial inflammation, and/or tubulopapillary hyperplasia.

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Feb
2018

To evaluate the surgical and functional outcomes of a matched-paired series of on-clamp vs off-clamp endoscopic robot-assisted simple enucleation (ERASE) and standardized renorraphy in a tertiary referral institution, to search for predictors of functional drop after surgery and to investigate the influence of off-clamp technique in patients presenting these characteristics.
A matched-pair comparison of 120 on-clamp vs 120 off-clamp over 491 patients treated with ERASE was performed. Perioperative and functional outcomes were compared between groups.

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Feb
2018

Trocar site hernia is not a common acute complication encountered after robot-assisted surgery, especially in the urological cohort of patients. A few case reports of small bowel obstruction secondary to incarceration by trocar site hernia have been described in gynaecological surgery and prostatectomies. As the clinical presentation is non-specific, late diagnosis has significant implication on morbidity and mortality.

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Dec
1969

Germline mutations in succinate dehydrogenase (SDH) are associated with multifocal cancers: pituitary gland tumors, pheochromocytomas, paragangliomas, gastrointestinal stromal tumors, and renal-cell carcinomas (RCCs). SDH-deficient renal-cell carcinoma (SDH-RCC) was first identified in 2004 as an inherited kidney cancer with mutations in the SDH gene. SDH consists of A, B, C, and D units.

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Feb
2018

To evaluate the efficacy and safety of self-retaining barbed suture in renorrhaphy during laparoscopic partial nephrectomy by comparing surgical outcomes in a prospective randomized manner.
From July 2014 to July 2015, a total of 60 patients with T1 renal tumor were randomized into two equal groups: self-retaining barbed suture (SRBS) and conventional absorbable polyglactin suture (non-SRBS group). All patients were treated by retroperitoneal laparoscopic partial nephrectomy.

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Feb
2018

This study aimed at reporting the long-term oncological outcomes of robotic partial nephrectomy (RPN) for renal cell carcinoma (RCC).
Data from all consecutive patients who underwent RAPN for RCC from July 2009 to January 2012 in three departments of urology were prospectively collected. Overall survival (OS), cancer-specific survival (CSS) and disease free-survival (DFS) were estimated using the Kaplan-Meier method.

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Feb
2018

To compare oncological and functional mid-term outcomes following robotic partial nephrectomy (RPN) and radiofrequency ablation (RFA) for treating T1a renal cell carcinoma (RCC) using propensity score-matching.
Between December 2008-April 2016, 63 patients from each treatment group were propensity score-matched for age, sex, American Society of Anesthesiologists score, tumour size, tumour laterality, tumour histology, R.E.

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Feb
2018

During robotic partial nephrectomy (RPN), various techniques of hilar control have been described, including on-clamp, early unclamping, selective/super-selective clamping, and completely-unclamped RPN.
To evaluate the impact of various hilar control techniques on perioperative, functional, and oncological outcomes of RPN for tumors.
We conducted a systematic literature review and meta-analysis of all comparative studies on various hilar control techniques during RPN using PubMed, Scopus, and Web of Science according to the Preferred Reporting Items for Systematic Review and Meta-analysis statement, and Methods and Guide for Effectiveness and Comparative Effectiveness Review of the Agency for Healthcare Research and Quality.

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Feb
2018

Objectives To provide a training tool to address the technical challenges of robot-assisted laparoscopic partial nephrectomy, we created silicone renal tumor models using 3D printed molds of a patient's kidney with a mass. In this study, we assessed the face, content, and construct validity of these models. Materials and Methods Surgeons of different training levels completed four simulations on silicone renal tumor models.

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Feb
2018

Main objective: to perform a descriptive study of patients with nephroblastoma, diagnostic tests, medical and surgical treatment. Secondary objective: to evaluate the rate of relapse and 5-year survival and risk factors for relapse and death.
Retrospective study of patients with nephroblastoma treated according to the protocol of the SIOP-2001.

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Feb
2018

To determine the complexity of renal masses by using an objective novel imaging parameter (intraparenchymal tumor volume) based on computed tomography scans, to correlate this parameter to perioperative outcomes and to the RENAL nephrometry score.
After institutional review board approval, 87 patients who underwent partial nephrectomy between 2012 and 2016 at Singapore General Hospital, Singapore, were retrospectively analyzed. Preoperative computed tomography intravenous pyelogram scans were reviewed by a single senior radiologist who calculated the intraparenchymal tumor volume.

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Dec
1969

Nephron-sparing surgery is currently the treatment of choice for renal cell carcinoma stage T1a. During the past years, several hemostatic agents (HA) have been developed in order to reduce surgical complications. We present the results of our series and the impact of the use of HA in the prevention of surgical complications in laparoscopic partial nephrectomies (LPNs).

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Dec
1969

To evaluate outcomes of simultaneous and staged surgery in patients with kidney tumors and concomitant cardiac disease.
Between October 2001 and October 2015, fifteen patients (Group 1) underwent simultaneous surgery and fourteen patients (Group 2) underwent staged surgery. 89.

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Aug
2017

We present the case of a young woman found to have an exophytic solid renal mass who was referred to our institution for ablation of said mass versus partial nephrectomy. The patient had a history of splenectomy. Ultrasound demonstrated a homogeneous solid left renal mass, and the diagnosis of intra-renal splenosis was considered based on the patient's history.

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Aug
2017

The increase in the prevalence of end-stage renal disease in developed countries and the shortage of deceased donors have made it necessary to increase the graft pool by means of several strategies, such as living donation, non-heart-beating organ donors, and expanded-criteria donors. This study aimed to assess the short-term outcomes of donor kidneys with small (≤3.5 cm) renal cell carcinoma (sRCC) and to evaluate the possibility of using marginal kidneys in renal transplantation.

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Feb
2018

Once used primarily in the identification of renal metastasis and lymphomas, various urological bodies are now adopting an expanded role for the renal biopsy. We sought to evaluate the role of the renal biopsy in a Canadian context, focusing on associated adverse events, radiographic burden, and diagnostic accuracy.
This retrospective review incorporated all patients undergoing ultrasound (US)/computed tomography (CT)-guided biopsies for T1 and T2 renal masses.

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Feb
2018

Historically, partial nephrectomy (PN) showed no benefit on other-cause mortality (OCM) in elderly patients with small renal masses.
To test the effect of PN versus radical nephrectomy (RN) on OCM, cancer-specific mortality (CSM), as well as 30-d mortality in patients with nonmetastatic T1a renal cell carcinoma (RCC), aged ≥75 yr old.
Within the Surveillance, Epidemiology and End Results registry (2004-2014), we identified surgically treated patients with nonmetastatic pT1a RCC aged ≥75 yr.

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Feb
2018

Predicting oncologic outcomes is important for patient counseling, clinical trial design, and biomarker study testing.
To develop prognostic models for progression-free (PFS) and cancer-specific survival (CSS) in patients with clear cell renal cell carcinoma (ccRCC), papillary RCC (papRCC), and chromophobe RCC (chrRCC).
Retrospective cohort review of the Mayo Clinic Nephrectomy registry from 1980 to 2010, for patients with nonmetastatic ccRCC, papRCC, and chrRCC.

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Feb
2018

To compare surgical outcomes, including renal function and the preserved renal parenchymal volume, between robot-assisted laparoscopic partial nephrectomy and laparoscopic partial nephrectomy using propensity score-matched analyses.
In total, 253 patients, with a normal contralateral kidney, who underwent laparoscopic partial nephrectomy (n = 131) or robot-assisted laparoscopic partial nephrectomy (n = 122) with renal arterial clamping between 2010 and 2015, were included. Patients' background and tumor factors were adjusted by propensity score matching.

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Feb
2018

To report on the contemporary UK experience of surgical management of renal oncocytomas.
Descriptive analysis of practice and postoperative outcomes of cases with a final histological diagnosis of oncocytoma included in The British Association of Urological Surgeons (BAUS) nephrectomy registry from 01/01/2013 to 31/12/2016. Short term outcomes were assessed over a follow-up of 30 days.

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Feb
2018

Renal cell cancer is nowadays predominantly diagnosed in early stages due to the widespread use of sectional imaging for unrelated symptoms. Small renal masses (<4 cm) feature a largely indolent biology with a very low risk for metastasis or even a benign biology in up to 30% of the cases. Consequently, there is a need for less invasive therapeutic alternatives to nephron-sparing surgery.

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Nov
2017

A 78-year-old woman underwent partial hepatectomy for the treatment of hepatocellular carcinoma(HCC).After surgery, she was further treated with radiofrequency ablation(RFA)and transcatheter arterial embolization(TAE)for the intrahepatic reccurence of HCC.Thirty months after surgery, her tumor marker levels increased and computed tomography (CT)revealed an intrahepatic mass and right renal tumor which extended into the renal vein.

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Feb
2018

To compare the holmium-laser puncture and electrosurgery-incision in neonates with intravesical ureterocele.
We retrospectively analyzed the results of laser-puncture of ureterocele (LP group) in 12 patients (mean age 9.8 days, range 4-28) and electrosurgery-incision in 20 patients (ES group) (mean age 10.

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Oct
2017

We sought to design a partial nephrectomy (PN) with contralateral total nephrectomy porcine model and assess the underlying mechanisms of ischemia reperfusion injury (IRI) after PN using a novel, clinically approved resection device.
Domestic male pigs (n=9) underwent left lower pole PN, allocated to either standard (Group 1) or no ischemia PN (Group 2), followed by contralateral nephrectomy. Biochemical studies were performed at baseline, Day 2, and Day 7; after sacrifice, kidneys were processed for histological analysis.

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Oct
2017

The relative impact of preoperative and perioperative variables on renal function following partial nephrectomy (PN) is controversial. To further investigate, we assess the effects of tumour complexity, warm ischemic time (WIT), and volume of resected renal parenchyma on ipsilateral renal function (IRF) outcomes following minimally invasive PN.
Of patients who underwent laparoscopic or robotic-assisted PN between 2002 and 2011 at our institution, 99 met our inclusion criteria.

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Jan
2018

To demonstrate the surgical feasibility of robot-assisted partial nephrectomy for complex renal masses with comparison of low/intermediate risk versus high-risk tumors according to the PADUA score.
Since 2008, 538 robot-assisted partial nephrectomies were performed at three German robotic centers. Both the MIC (margin, ischemia, complications) criteria and trifecta were applied.

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Jan
2018

To report the case of a 29 year-old patient presenting with renal splenosis along with a complete review of literature on this condition. Splenosis is a frequent condition following abdominal trauma or splenectomy, described as splenic tissue that autotransplants into a heterotopic location. However, renal splenosis is rare and often mistaken with renal carcinoma.

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Dec
2017

Intraoperative occlusion of the renal artery during laparoscopic partial nephrectomy results in warm ischemia and nonspecific hypoxia-reoxygenation alteration of the renal parenchyma cells with a predominant injury to epitheliocytes of the proximal segments of the tubular nephron system. The onset and development of acute kidney injury (AKI) syndrome, which requires immediate correction, is due to the typical pathological process of cell injury. In this regard, the issue of timely diagnosis of AKI remains highly relevant.

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Dec
2017

Laparoscopic resection of upper pole kidney tumors is a technically challenging procedure. When tumors are located on the dorsal side of the kidney, the renal-rotation technique may facilitate laparoscopic partial nephrectomy.
To present the technique and results of laparoscopic partial nephrectomy (LPN) for tumors of the upper pole of the kidney with its rotation around the renal hilum.

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Dec
2017

To compare the results of laparoscopic and open partial nephrectomy.
From February 2000 to June 2016, 178 patients (mean age 58.2 years) with stage T1 kidney tumors underwent partial nephrectomy.

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Jan
2018

To investigate the clinical manifestation, diagnosis, treatment, and outcome of simultaneous occurrence of renal cell carcinoma (RCC) and urothelial carcinoma.
Twenty-seven consecutive patients with synchronous renal cell carcinoma and urothelial carcinoma treated in two tertiary medical centers from March 2005 to December 2015 were retrospectively reviewed. Their clinical, pathological, and prognostic features were evaluated.

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Aug
2017

Re: Findings and Impact of Early Imaging after Partial Nephrectomy.

J Urol 2017 Aug 11;198(2):253-254. Epub 2017 May 11.
M Pilar Laguna

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Jan
2018

To compare perioperative outcomes after RPN for cT2a (7 to <10cm) to cT1 tumors. Robotic partial nephrectomy (RPN) for T1 tumors has been shown to be safe, however, evaluation of PN for larger, complex tumors is lacking.
Patients with a cT1a (n=1358, 76.

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Jan
2018

Laparoscopic kidney surgery is commonly used for living donor, partial, and total tumor nephrectomy. The successful emergence of laparoscopic technique was justified by the many benefits offered such as reduced blood loss, tissue trauma, pain, and hospital stay. However, this comes at the expense of physiologic changes and complications secondary to pneumoperitoneum, surgical technique, and patient positioning with significant challenges in anesthetic management.

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Dec
2017

Tuberous sclerosis complex-associated renal angiomyolipoma (TSC-RAML) confers a high risk of bleeding and even mortality. However, data on TSC-RAML in Chinese pedigrees is extremely lacking. The present study aimed to investigate its clinical and genetic characteristics by obtaining a detailed medical history from 6 probands and their family members, and reassessing blood tests, computed tomography and renal dynamic imaging examinations that were conducted in the TSC-RAML patients.

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Dec
2017

Robot-assisted partial nephrectomy (RAPN) is an established, minimally invasive technique to treat patients with renal masses. The aim of this study was to assess the learning curve (LC) of RAPN, evaluate its impact on perioperative outcomes following RAPN and to study the role of surgeon experience in achieving "trifecta" outcomes following RAPN.
We prospectively analyzed the clinical and pathological outcomes of 108 consecutive patients who underwent RAPN for renal tumors from January 2012 to December 2016 by a laparoscopy trained surgeon with no prior robotic experience.

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Jan
2018

To discuss the cost-benefit performance (CBP) and establish a medical fee system for robotic-assisted thoracic surgery (RATS) under the Japanese National Health Insurance System (JNHIS), which is a system not yet firmly established.
All management steps for RATS are identical, such as preoperative and postoperative management. This study examines the CBP based on medical fees of RATS under the JNHIS introduced in 2016.

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Jan
2018

Renal angiomyolipoma (AML) is the most common benign renal tumor. Despite a generally benign histology, AML can result in significant morbidity, from intra-abdominal hemorrhage and reduction in kidney function. While classically associated with the autosomal dominant disorder tuberous sclerosis complex (TSC) or with pulmonary lymphangioleiomyomatosis, most AMLs are sporadic.

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Jan
2018

Robot-assisted partial nephrectomy (RAPN) with different arterial clamping techniques has increasingly been performed to avoid ischemic injury to nephron. However, postoperative renal function remains controversial. We determine the impact of each renal arterial clamping on surgical and renal outcomes after RAPN.

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Dec
2017

The aim of the study was to evaluate the influence of red cell distribution width (RDW) on cancer-specific survival (CSS) in patients who undergo nephrectomy for renal cell carcinoma (RCC).
A total number of 434 patients with pathologically proven RCC treated with radical or partial nephrectomy between 2003 and 2012 were identified in a single tertiary academic center. To evaluate the accuracy of RDW for CSS prediction, a receiver operating characteristic (ROC) curve was plotted.

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Jan
2018

The lack of globally established standards for learning urological laparoscopy has not prevented laparoscopic techniques from evolution and continuous development. Laparoscopy coexists with robotic surgery today, and in the last decade there have been many techniques that have undergone a boom with the use of a laparoscopic approach (total and partial nephrectomy, pyeloplasty, colposacropexy, etc.).

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Jan
2018

Partial nephrectomy (PN) is recommended as first-line treatment for cT1 stage kidney tumors because of a better renal function and probably a better overall survival than radical nephrectomy (RN). For larger tumors, PN has a controversial position due to lack of evidence showing good cancer control. The aim of this study was to compare the results of PN and RN in cT2a stage on overall survival and oncological results.

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Jan
2018

Resection of completely endophytic renal tumors is a huge challenge for surgeons due to a lack of definite visual clues, especially in the laparoscopic approach. Three-dimensional (3D) kidney models, which can illustrate the clear relationship between renal masses and surrounding health tissues, were considered as reliable tools for understanding renal tumor characteristics in previous studies. We hypothesized that 3D kidney models can be used not only for planning but also for navigating laparoscopic partial nephrectomy (LPN) in patients with completely endophytic renal tumors.

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Jan
2018

Partial nephrectomy is widely used for surgical management of small renal masses. Use of robotic (RPN) versus open partial nephrectomy (OPN) among various populations is not well characterized.
To analyze trends in utilization of RPN and disparities that may be associated with this procedure for management of cT1 renal masses in the USA.

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Dec
2017

The purpose of the study was to identify patient and disease characteristics that have an adverse effect on renal function after partial nephrectomy.
We conducted a retrospective review of 387 patients who underwent partial nephrectomy for renal tumors between 2006 and 2014. A line plot with a locally weighted scatterplot smoothing was generated to visually assess renal function over time.

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Dec
1969

Renal cell carcinomas (RCCs) account 80-85% of all primary renal neoplasms and originate from the renal cortex. The patients who underwent radical or partial nephrectomy for renal tumour in our unit between January 2005 and 2015 were evaluated retrospectively. The patients were divided into two groups; group 1 includes patients who were treated between January 2005 and December 2009, group 2 those from January 2010 to 2015.

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Jan
2018

To evaluate the role of retroperitoneal lymph node dissection (LND) in non-metastatic (M0) and metastatic (M1) renal cell carcinoma (RCC).
We searched Medline, EMBASE, Web of Science, and Scopus from database inception to August 29, 2017 for studies of patients who underwent partial or radical nephrectomy for M0 or M1 RCC. Two investigators independently selected studies for inclusion.

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