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nephron sparing surgery

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https://www.readbyqxmd.com/read/29318365/-innovations-in-surgical-treatment-of-pediatric-solid-tumors
#1
REVIEW
A Schmidt, S W Warmann, C Urla, J Fuchs
The overall survival of children with solid tumors has shown a substantial increase in the past decades due to progress in all of the disciplines involved in the treatment. The poor prognosis for advanced stages of disease and the morbidity related to therapeutic procedures are still a challenge. Innovations in the surgical treatment of solid tumors can contribute to increase the survival rate of affected children and to decrease the treatment-related morbidity. Considering these aspects, the successful implementation of innovations is described based on four examples...
January 9, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29279872/massive-dilation-of-the-ureter-an-endoscopic-management-of-persistent-urinary-leak-after-partial-nephrectomy
#2
Panagiotis Pardalidis, Nick Andriopoulos, Eleni Kosmaoglou, Nick Pardalidis
Introduction: The incidence of urinary leakage is increased as nephron sparing surgery becomes more used for the management of small renal masses. We present an endourologic approach in a patient with a persistent urinary leak after partial nephrectomy by placing two synchronous ureteral stents to improve drainage and avoid further potential surgery. Patients and Method: A 39-year-old patient presented with a urine leak on the fifth postoperative day after an open partial nephrectomy. Initially, the leakage was managed with a placement of a 6F Double-J stent...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29277887/the-safety-and-efficacy-of-adjuvant-hemostatic-agents-during-laparoscopic-nephron-sparing-surgery-comparison-of-tachosil-and-floseal-versus-no-hemostatic-agents
#3
Senol Tonyali, Artan Koni, Sertac Yazici, Cenk Y Bilen
PURPOSE: To compare the effectiveness of TachoSil and Floseal during laparoscopic nephron-sparing surgery (LNSS), and to evaluate postoperative complications, especially hemorrhage and urinary leakage. MATERIALS AND METHODS: The medical records of all patients that underwent LNSS for a small renal mass (SRM) performed by the same experienced surgeon were retrospectively analyzed. The patients were divided into the following 3 groups, based on hemostatic agent: group 1: no adjuvant hemostatic agent (no AHA); group 2: TachoSil; group 3: Floseal...
December 26, 2017: Urology Journal
https://www.readbyqxmd.com/read/29230948/three-dimensional-printed-model-of-bilateral-wilms-tumor-a-useful-tool-for-planning-nephron-sparing-surgery
#4
Óscar Girón-Vallejo, Darío García-Calderón, Ramón Ruiz-Pruneda, Rosa Cabello-Laureano, Ernesto Doménech-Abellán, José Luis Fuster-Soler, José I Ruiz-Jiménez
Nephron sparing surgery (NSS) is increasingly utilized to treat patients with bilateral Wilms tumor. We present a case of NSS planning using a three-dimensional computerized and printed model of both kidneys with anatomical structures of interest (parenchyma, renal pelvis, major calyx, renal artery, renal vein, and tumor). This model allowed a better understanding of the anatomic relation between the tumor and the normal kidney on each side, improving the surgical planning and the preoperative discussion with the patient's family...
December 12, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29221641/p53-expression-in-patients-with-renal-cell-carcinoma-correlates-with-a-higher-probability-of-disease-progression-and-increased-cancer-specific-mortality-after-surgery-but-does-not-enhance-the-predictive-accuracy-of-robust-outcome-models
#5
Laura Morshaeuser, Matthias May, Maximilian Burger, Wolfgang Otto, Georg C Hutterer, Martin Pichler, Tobias Klatte, Peter Wild, Lorenz Buser, Sabine Brookman-May
OBJECTIVE: Due to lacking external validation, molecular biomarkers are currently not applied for risk-stratification of patients with localized renal cell carcinoma. The objective of this study was to externally validate a molecular multi-marker panel included in a previously proposed prognostic nomogram for the prediction of postoperative disease-free survival. METHODS AND MATERIALS: Besides pathologic tumor stage (pT) and ECOG-Performance Status, the nomogram includes 5 molecular markers (Ki-67, p53, VEGFR-1 endothelial or epithelial, and VEGF-D epithelial)...
December 5, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29206355/from-novick-to-the-nhs-the-evolution-of-minimally-invasive-nephron-sparing-surgery
#6
EDITORIAL
Benjamin W Lamb, Daniel A Moon
No abstract text is available yet for this article.
October 2017: BJU International
https://www.readbyqxmd.com/read/29201528/bilateral-renal-cell-carcinoma-with-leiomyomatous-stroma-a-rare-entity-diagnosed-synchronously-and-treated-surgically-in-a-staged-fashion
#7
Murat Can Kiremit, Ömer Acar, Yeşim Sağlıcan, Tarık Esen
Renal cell carcinoma (RCC) accounts for approximately 3% of adult malignancies and 90-95% of kidney neoplasms. Renal cell carcinoma with leiomyomatous stroma (RCCLS) is an extremely rare histopathological entity based on available literature data. Herein, we report a 31-year-old male with incidentally detected synchronous bilateral renal masses who was eventually found to harbor RCCLS after being operated sequentially via nephron-sparing surgery.
December 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29174691/-comparison-of-operative-and-oncologic-results-between-partial-nephrectomy-and-radiofrequency-ablation-for-treatment-of-renal-tumors-in-patients-older-than-75
#8
I Cholley, J M Correas, A Masson-Lecomte, S Sanchez, C Champy, T Le Guilchet, M Ariane, S Hurel, F Audenet, N Thiounn, E Fontaine, A Mejean, M O Timsit
INTRODUCTION: Elderly patients represent a growing part of our society for who treatment strategy for localized renal tumors has to be chosen knowing iatrogen effects and renal function morbidity. The aim was to analyze oncological and functional results of nephron sparing surgery (PN) versus radiofrequency ablation (RFA). MATERIALS AND METHODS: All patients aged more than 75 treated by partial nephrectomy or radiofrequency ablation between 2007 and 2014 in our centre were included...
November 21, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/29154983/giant-renal-angiomyolipoma-following-ovarian-stimulation-therapy
#9
Elieser H Watanabe, Precil D Neves, Bruno E Balbo, Carlos A Sampaio, Luiz F Onuchic
Renal angiomyolipomas (AMLs) are benign tumors with higher prevalence in women. Female hormones have been shown to induce AML enlargement. This case refers to a 40-year-old woman with 4 left kidney AMLs, the larger ones with 1.0 and 1.3 cm. Ten months after ovarian stimulation for egg harvesting, a computed tomography revealed an 18-cm AML with large-caliber vessels. Given her high risk of AML bleeding, the patient was submitted to selective arterial embolization, which turned out unsuccessful, supporting a plan of nephron-sparing surgery...
November 15, 2017: Urology
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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