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https://www.readbyqxmd.com/read/27911068/-laparoscopic-nephron-sparing-surgery-for-wilms-tumor-description-of-two-cases
#1
L López, M Copete, P Villamizar
Surgical resection is the mainstay of treatment for Wilms tumor. The research progress of the large study groups worldwide has reduced mortality. However, searching to minimize morbidity, the minimally invasive approach has been applied in selected patients. This article describes two cases of Wilms tumor managed with laparoscopic nephron sparing surgery. The case 1 with Beckwith-Wiedemann syndrome and bilateral disease, and the case 2 non-syndromic unilateral. The approach was intraperitoneally, without intraoperative complications...
January 25, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/27908908/double-trouble-pelvi-ureteric-junction-obstruction-and-renal-cell-carcinoma-in-right-to-left-crossed-fused-ectopia
#2
Sumit Saini, Siddharth Yadav, Brusabhanu Nayak
Crossed renal ectopia is a rare occurrence. The majority of the crossed units are fused to their ipsilateral mate. Pelvi-ureteric junction obstruction (PUJO) in crossed fused moieties has been reported very rarely. Similarly, malignancy arising in the crossed over moieties is a rare occurrence too. Only a few cases have been reported earlier. We are here reporting an unusual case with coexistent PUJO and renal cell carcinoma in the crossed over moiety of right to left crossed fused ectopia. To the best of our knowledge, this is the first reported case with both these pathologies, coexisting, in the crossed over moiety...
December 1, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27895733/improved-laparoscopic-nephron-sparing-surgery-for-renal-cell-carcinoma-based-on-the-precise-anatomy-of-the-nephron
#3
Gang Guo, Wei Cai, Xu Zhang
The aim of the present study was to investigate a method of laparoscopic nephron-sparing surgery (LNSS) for renal cell carcinoma (RCC) based on the precise anatomy of the nephron, and to decrease the incidence of hemorrhage and urinary leakage. Between January 2012 and December 2013, 31 patients who presented to the General Hospital of the People's Liberation Army (Beijing, China) were treated for RCC. The mean tumor size was 3.4±0.7 cm in diameter (range, 1.2-6.0 cm). During surgery, the renal artery was blocked, and subsequently, an incision in the renal capsule and renal cortex was performed, at 3-5 mm from the tumor edge...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27893792/renal-cell-carcinoma-associated-with-xp11-2-translocation-tfe3-gene-fusions-clinical-features-treatments-and-prognosis
#4
Ning Liu, Zhen Wang, Weidong Gan, Lei Xiong, Baolei Miao, Xiancheng Chen, Hongqian Guo, Dongmei Li
To investigate the clinical characteristics, treatments and prognosis of renal cell carcinoma associated with Xp11.2 translocation/TFE3 gene fusions (Xp11.2 tRCC), the epidemiological features and treatment results of 34 cases of Xp11.2 tRCC, which were diagnosed by immunohistochemistry staining of TFE3 and fluorescence in situ hybridization at our center, were retrospectively reviewed. The 34 patients included 21 females and 13 males aged 3 to 64 years (median age: 27 years). Four patients were children or adolescents (<18 years of age), and 26 patients were young or middle-aged adults (18-45 years)...
2016: PloS One
https://www.readbyqxmd.com/read/27889493/partial-versus-radical-nephrectomy-for-t1-t2-renal-masses-in-the-elderly-comparison-of-complications-renal-function-and-oncologic-outcomes
#5
Julie Y An, Mark W Ball, Michael A Gorin, Jiwon J Hong, Michael H Johnson, Christian P Pavlovich, Mohamad E Allaf, Phillip M Pierorazio
OBJECTIVE: To compare outcomes of partial nephrectomy (PN) and radical nephrectomy (RN) in patients 65 years and older. METHODS: Our institutional renal mass registry was queried for patients 65 and older with solitary cT1-T2 renal mass resected by PN or RN. Clinicopathologic features and perioperative outcomes were compared between groups. Renal function outcomes measured by change in eGFR and freedom from eGFR < 45 ml/minute/1.73m(2) were analyzed. Multvariate Cox proportional hazards models for overall survival (OS) and cancer-specific survival (CSS) were analyzed...
November 23, 2016: Urology
https://www.readbyqxmd.com/read/27885452/the-zero-ischemia-index-zii-a-novel-criterion-for-predicting-complexity-and-outcomes-of-off-clamp-partial-nephrectomy
#6
Yaohui Li, Lin Zhou, Tingchang Bian, Zhuoyi Xiang, Yeqing Xu, Yanjun Zhu, Xiaoyi Hu, Shuai Jiang, Jianming Guo, Hang Wang
PURPOSES: Although several anatomical classification systems that aimed to standardize the description of renal tumors were previously reported, a special classification system is required to help predict the complexity and perioperative outcomes of off-clamp nephron-sparing surgery (NSS). We developed a novel criterion-zero ischemia index (ZII), aiming to help predict the perioperative outcomes after off-clamp NSS and guide patient selection. METHODS: We retrospectively evaluated 149 patients between June 2009 and July 2014 in our institution who underwent off-clamp NSS with available computed tomography images...
November 24, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27881027/is-robotic-partial-nephrectomy-safe-for-t3a-renal-cell-carcinoma-experience-of-a-high-volume-center
#7
Hiury S Andrade, Homayoun Zargar, Oktay Akca, Önder Kara, Peter Caputo, Daniel Ramirez, Guillermo Andres, Robert J Stein, Shih-Chieh J Chueh, Jihad Kaouk
PURPOSE: To compare the oncological and functional outcomes of robotic partial nephrectomy (RPN) with radical nephrectomy (RN) in RCC cases with pT3a staging. PATIENTS AND METHODS: A retrospective analysis of our IRB approved nephrectomy database from 2005 to 2015 was performed. RPN and RN cases with confirmed RCC and pT3a staging were matched. Preoperative variables, functional and oncological outcomes were compared between the groups, as well a Kaplan-Meier estimated overall survival (OS), cancer specific survival (CSS) and recurrence-free survival (RFS)...
November 23, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27878419/split-renal-function-of-both-kidneys-after-robot-assisted-partial-nephrectomy-for-renal-tumor-larger-than-4%C3%A2-cm
#8
Sheng-Han Tsai, Yi-Chen Lai, Nai-Yuan Wu, Hsiao-Jen Chung
PURPOSE: Relative few studies reported the changes in split renal function using renal scintigraphy for robot-assisted partial nephrectomy (RaPN) for renal tumor >4 cm. This study aimed at demonstrating that RaPN is safe for renal tumor >4 cm without damaging the renal function of ipsilateral and contralateral kidney. METHODS: Patients who underwent RaPN for single renal tumor from December 2009 to December 2013 were identified from a prospectively collected database...
November 22, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27870681/kidney-cancer
#9
S Brandon Hancock, Christos S Georgiades
The number of new cases of renal cell carcinoma has been steadily increasing since the 1960s, reaching 62,000 and 89,000 annually in the United States and Europe, respectively, in 2016. The current standard of care for early-stage disease is nephron-sparing surgery, which has a demonstrated long-term disease-free survival and an acceptable safety profile. Technical developments (thin, powerful probes and real-time image guidance systems) have allowed image-guided percutaneous ablation to become a viable option for stage I renal cell carcinoma...
November 2016: Cancer Journal
https://www.readbyqxmd.com/read/27858882/pigmented-perivascular-epithelioid-cell-tumor-pecoma-arising-from-kidney-a-case-report
#10
Hexi Du, Jun Zhou, Lingfan Xu, Cheng Yang, Li Zhang, Chaozhao Liang
INTRODUCTION: Perivascular epithelioid cell tumor (PEComa) is a mesenchymal neoplasm composed of perivascular epithelioid cells with clear to eosinophilic cytoplasm. Pigmented PEComa arising from kidney is extraordinarily rare and sometimes can exhibit aggressive biological behavior. CASE REPORT: We present here a rare case of pigmented renal PEComa in a 46-year-old female. The patient had complained of lumbago complicated with nausea and vomiting for 2 weeks and therefore was referred to our department...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27857461/bolster-material-granuloma-masquerading-as-recurrent-renal-cell-carcinoma-following-partial-nephrectomy
#11
Abhishek Singh, Shrikant Jai, Sanika Ganpule, Arvind Ganpule
Nephron sparing surgery has seen a phenomenal rise in its application over the past few decades. The use of Surgicel and gel foam for closure of defect created after partial nephrectomy has become a routine practice at many centers. In this case report, we describe radiological artifact secondary to a surgical bolster mimicking a residual disease or an early recurrence in the kidney. This case highlights two facts; first, reapproximation of the renal tissue is best done without the use of Surgicel bolsters...
July 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/27855588/transperitoneal-enucleation-of-a-kidney-transplant-allograft-renal-cell-carcinoma
#12
Ioannis Sarantitis, Ravi Pararajasingam, Bence Forgacs, Helen Denley, Grahame Wood, Titus Augustine
Development of malignancy after solid-organ trans?lant is a well-known long-term complication of immunosuppressive therapy. Thus far, there are no specific oncologic recommendations regarding management of de novo tumors in transplanted kidneys. Here, we present the case of a 63-year-old male patient who developed a de novo renal cell carcinoma 6 years after the transplant procedure. The patient underwent nephron-sparing surgery with transperitoneal enucleation of the tumor. We discuss the decision-making process and the operative challenges that we faced...
November 18, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27852391/-outcomes-of-mini-flank-incision-for-open-partial-nephrectomy-for-stage-t1b-renal-tumor
#13
H X Chen, X Y Hu, J M Guo, G M Wang, H Wang
Objective: To evaluate the safety and efficacy of mini-flank incision for open partial nephrectomy for stage T1b renal tumor. Methods: The data of patients with stage T1b renal tumor who underwent mini-flank incision for open partial nephrectomy between January 2010 to September 2015 were retrospectively reviewed. The Nephron-sparing surgery (NSS) was performed through mini-flank supra-12th rib incision under general anesthesia. Results: A total of 47 patients(31 male and 16 female) were enrolled in our study...
November 1, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27847290/image-guided-radiofrequency-ablation-for-small-renal-masses
#14
REVIEW
Emily F Kelly, Raymond J Leveillee
The diagnosis of incidental small renal masses (SRM) has increased during the past two decades secondary to the increased use of various abdominal imaging modalities. In the past decade there has been a shift from radical nephrectomy to nephron sparing surgery techniques where partial nephrectomy has become the standard of care. Thermal ablation (TA) modalities such as freezing or heating delivered percutaneously for the treatment of small renal masses (SRM) is now offered in many Institutions as a treatment option...
November 12, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27845100/re-nephron-sparing-surgery-across-a-nation-outcomes-from-the-british-association-of-urological-surgeons-2012-national-partial-nephrectomy-audit
#15
M Pilar Laguna
No abstract text is available yet for this article.
December 2016: Journal of Urology
https://www.readbyqxmd.com/read/27834458/evaluation-of-padua-score-as-predictor-of-warm-ischemia-time-wit-during-laparoscopic-partial-nephrectomy-lpn
#16
Stefano Ricciardulli, Qiang Ding, Xu Zhang, Hongzhao Li, Baojun Wang, Guoqiang Yang, Xiyou Wang, Peng Zhang, Xin Ma, Alberto Breda
OBJECTIVE: To evaluate the efficacy of Preoperative Aspects and Dimension Used for an Anatomical (PADUA) classification in the prediction of Warm Ischemia Time (WIT) during Laparoscopic Partial Nephrectomy (LPN). METHODS: Single centre retrospective study on 402 patients who underwent LPN between January 2011 and October 2013. WIT was correlated with each characteristics of the PADUA classification. Univariate and multivariate analysis were used to evaluated the independent predictive risk factors of WIT >20 minutes...
November 18, 2016: Urologia
https://www.readbyqxmd.com/read/27817967/re-elective-nephron-sparing-surgery-decreases-other-cause-mortality-relative-to-radical-nephrectomy-only-in-specific-subgroups-of-patients-with-renal-cell-carcinoma
#17
Steven C Campbell, Wen Dong, Robert Uzzo, Alexander Kutikov
No abstract text is available yet for this article.
November 3, 2016: European Urology
https://www.readbyqxmd.com/read/27805457/laparoscopic-radiofrequency-ablation-combined-with-surgical-excision-for-exophytic-renal-angiomyolipoma-a-novel-technique-based-on-tumor-vasculature-features-of-enhancing-renal-masses-toward-hilar-off-clamping-nephron-sparing-surgery
#18
Wei Xiong, Qing Ran, Yangchun Du, Ji Lv, Fang Chen, Shan Zhong, Pu Guo, Ke Dou, Minghan Sun
OBJECTIVES: Symptomatic angiomyolipoma (AML) and asymptomatic AML larger than 4 cm in size are usually treated with nephron-sparing surgery or transarterial embolization. We used radiofrequency ablation to treat the vascular pedicle of exophytic AML with low R.E.N.A.L. nephrometry score and investigated its feasibility for hilar off-clamping nephron-sparing surgery. METHODS: Contrast-enhanced computed tomography (CT) showed enhanced, well-defined lipomatous tumors with a maximum diameter of 4-8 cm in the kidney of 15 patients...
November 2, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27785420/why-are-upper-tract-urothelial-carcinoma-two-different-diseases
#19
REVIEW
Tibor Szarvas, Orsolya Módos, András Horváth, Péter Nyirády
In the last few years growing evidence highlighted the differences between upper tract urothelial carcinoma (UTUC) and urothelial bladder carcinoma (UBC) which cannot be explained solely by their different anatomical location. The aim of this review was to summarize current progress in UTUC research and to underline the differences and similarities between UTUC and UBC by focusing on epidemiology, etiology, staging and risk factors as well as on surgical and medical management. UBC and UTUC sharing common risk factors such as smoking and aromatic amines, while aristolochic acid exposure or familiar Lynch syndrome are rather specific for UTUC...
October 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/27784295/the-findings-of-ct-and-mri-in-patients-with-metanephric-adenoma
#20
Jing Yan, Jing-Liang Cheng, Chen-Fei Li, Yan-Bang Lian, Yuan Zheng, Xue-Ping Zhang, Chao-Yan Wang
BACKGROUND: Metanephric adenoma (MA) is a benign renal tumor that is difficult to distinguish from a malignant tumor via traditional radiography. The diagnosis of MA is often dependent on postsurgical histopathological examination. In the present report, the imaging features of MA on computer tomography (CT) and magnetic resonance imaging (MRI) were retrospectively evaluated. METHODS: Eight MA patients, 17-67 years of age, were pathologically confirmed and recruited between April 2009 and November 2014...
October 27, 2016: Diagnostic Pathology
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