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Partial nephrectomy

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https://www.readbyqxmd.com/read/28225994/a-rare-case-of-ectopic-acth-syndrome-originating-from-malignant-renal-paraganglioma
#1
Esra Tutal, Demet Yılmazer, Taner Demirci, Evrim Cakır, Salih Sinan Gültekin, Bahadır Celep, Oya Topaloğlu, Erman Çakal
Ectopic adrenocorticotropic hormone (ACTH) syndrome is characterized by hypercortisolism due to the hypersecretion of a non-pituitary ACTH-secreting tumor leading to Cushing's syndrome. Only a few cases have been reported previously as causing ectopic ACTH related to paraganglioma. Herein, we present a case of Cushing's syndrome, in who was proved to be attributable to an ACTH-secreting renal malignant paraganglioma. A 40-year-old woman presented with a five-month history of newly diagnosed hypertension and diabetes, weakness, hyperpigmentation, oligomenorrhea, hirsutism, and acneiform lesions...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28216945/ex-vivo-partial-nephrectomy-after-living-donor-nephrectomy-surgical-technique-for-expanding-kidney-donor-pool
#2
Yaw A Nyame, Paurush Babbar, Ahmed A Aboumohamed, Ryan L Mori, Stuart M Flechner, Charles S Modlin
Renal transplantation has profound improvements in mortality, morbidity, and overall quality of life compared to renal replacement therapy. This report aims to illustrate the use of ex-vivo partial nephrectomy in a patient with a renal angiomyolipoma prior to living donor transplantation. The surgical outcomes of the donor nephrectomy and recipient transplantation are reported with 2 years of follow-up. Both the donor and recipient are healthy and without any significant comorbidities. In conclusion, urologic techniques such as partial nephrectomy can be used to expand the living donor pool in carefully selected and well informed transplant recipients...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216925/feasibility-of-laparoscopic-partial-nephrectomy-in-the-obese-patient-and-assessment-of-predictors-of-perioperative-outcomes
#3
Evan Jonathan Wiens, Deepak Kumar Pruthi, Ruchi Chhibba, Thomas Brian McGregor
INTRODUCTION: Partial nephrectomy is the gold standard for treatment of small renal masses. Our study compares outcomes for obese (body mass index [BMI] ≥30) and healthy (BMI <30) patients undergoing laparoscopic partial nephrectomy (LPN) with the intention of defining preoperative risk factors for complications and renal insufficiency in the obese. MATERIALS AND METHODS: We conducted a retrospective review of 187 consecutive patients who underwent LPN. We examined the association between BMI and postoperative complication, estimated blood loss (EBL), hospital length of stay, warm ischemic time (WIT), and postoperative renal function...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28215846/active-surveillance-is-superior-to-radical-nephrectomy-and-equivalent-to-partial-nephrectomy-for-preserving-renal-function-in-patients-with-small-renal-masses-results-from-the-dissrm-registry
#4
M R Danzig, R A Ghandour, P Chang, A A Wagner, P M Pierorazio, M E Allaf, J M McKiernan
PURPOSE: We compared renal function outcomes among patients in the surveillance and intervention arms of the DISSRM registry. MATERIALS AND METHODS: Patients were grouped into chronic kidney disease stages by estimated glomerular filtration rate range. Cases were considered up staged if a more advanced chronic kidney disease stage was entered during followup. Chronic kidney disease up staging-free survival was compared among groups using Kaplan-Meier analysis and paired comparisons log rank tests...
March 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28209953/-extracorporeal-partial-nephrectomy-under-pharmaco-cold-ischemia-for-renal-cell-carcinoma
#5
A A Gritskevich, I V Miroshkina, S S Piyanikin, Z A Adyrkhayev, Yu A Stepanova, A E Zotikov, A A Teplov, V A Kubyshkin, A Sh Revishvili
AIM: To develop the method for extracorporeal partial nephrectomy under pharmaco-cold ischemia without ureter intersection with orthotopic replantation of renal vessels for RCC. MATERIAL AND METHODS: The study included 37 patients with morphologically confirmed RCC pT1a-Т3bN0M0-1G1-3 with intraparenchymal and central location of the tumor in cases of single kidney, comorbidity of contralateral kidney and kidney on the side of lesion. RESULTS: Mean surgery time was 413...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28208512/re-omission-of-hemostatic-agents-during-robotic-partial-nephrectomy-does-not-increase-postoperative-bleeding-risk
#6
Jeffrey A Cadeddu
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28202487/migrated-hem-o-lok-clips-in-the-ureter-a-rare-cause-of-recurrent-urinary-tract-infection
#7
Prashant Shrivastava, Brusabhanu Nayak, Prabhjot Singh
Erosion of surgical materials into the adjacent organs following surgical procedures is a rare complication. Migrations of these surgical materials into the urinary tract like pelvicalyceal system, ureter and bladder have been reported following various urological procedures. We present a case of migrated Hem-o-Lok clips into the ureter following a laparoscopic partial nephrectomy for angiomyolipoma of the left kidney presented with recurrent urinary tract infection. The case was managed with ureteroscopic removal of clips...
February 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28197727/perioperative-morbidity-oncological-outcomes-and-predictors-of-pt3a-upstaging-for-patients-undergoing-partial-nephrectomy-for-ct1-tumors
#8
Pascal Mouracade, Onder Kara, Julien Dagenais, M J Maurice, R J Nelson, Ercan Malkoc, J H Kaouk
OBJECTIVES: To evaluate perioperative morbidity, oncological outcome and predictors of pT3a upstaging after partial nephrectomy (PN). MATERIALS AND METHODS: Retrospective study of 1042 patients who underwent PN for cT1N0M0 renal cell carcinoma between 2007 and 2015. A total of 113 cT1 patients were upstaged to pT3a, while 929 were staged as pT1. Demographic, perioperative and pathological variables were reviewed. We compared the clinico-pathological characteristics, perioperative morbidity and oncological outcomes between pT3a and pT1 groups...
February 14, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28188362/comparing-renal-function-preservation-after-laparoscopic-radio-frequency-ablation-assisted-tumor-enucleation-and-laparoscopic-partial-nephrectomy-for-clinical-t1a-renal-tumor-using-a-3d-parenchyma-measurement-system
#9
Liangsong Zhu, Guangyu Wu, Jiwei Huang, Jianfeng Wang, Ruiyun Zhang, Wen Kong, Wei Xue, Yiran Huang, Yonghui Chen, Jin Zhang
PURPOSE: To compare the renal function preservation between laparoscopic radio frequency ablation assisted tumor enucleation and laparoscopic partial nephrectomy. METHODS: Data were analyzed from 246 patients who underwent laparoscopic radio frequency ablation assisted tumor enucleation and laparoscopic partial nephrectomy for solitary cT1a renal cell carcinoma from January 2013 to July 2015. To reduce the intergroup difference, we used a 1:1 propensity matching analysis...
February 10, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28188091/a-prospective-multicenter-analysis-of-pseudocapsule-characteristics-do-all-stages-of-renal-cell-carcinoma-have-complete-pseudocapsules
#10
Seok Cho, Jeong Hyeon Lee, Seung Hyun Jeon, Jinsung Park, Sang Hyub Lee, Chul Hwan Kim, Ji-Youn Sung, Joo Heon Kim, Jong Hyun Pyun, Jeong Gu Lee, Je Jong Kim, Jun Cheon, Sung Gu Kang, Seok Ho Kang
OBJECTIVES: To assess the characteristics of pseudocapsule (PC) in localized renal cell carcinoma (RCC) by analyzing the rates of completeness of PC and pseudocapsular invasion and clinical and pathological risk factors of it. MATERIALS AND METHODS: Between February 2013 and September 2015, data were gathered prospectively from 180 consecutive patients who underwent partial nephrectomy or radical nephrectomy at 3 institutions, and 161 were enrolled. Evaluated factors included age and sex; histologic factors such as tumor diameter, stage, tumor subtype, necrosis, and Fuhrman grade; and clinical factors such as RENAL score; and completeness of PC...
February 7, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28186431/application-of-three-dimensional-visualization-technology-in-laparoscopic-partial-nephrectomy-of-renal-tumor-a-comparative-study
#11
Zhi Wang, Lin Qi, Peng Yuan, Xiongbing Zu, Wei Chen, Zhenzhen Cao, Yuan Li, Long Wang
PURPOSE: To compare the effectiveness and safety of individualized three-dimensional visualization technology (3DVT) on surgical planning and perioperative outcomes in laparoscopic partial nephrectomy (LPN) for renal cell carcinoma (RCC) with routine computed tomography (CT) examination in the treatment of renal tumor. METHODS: From May 2015 to March 2016, a total of 94 patients with cT1 RCC who underwent surgical treatment in our department were analyzed retrospectively...
February 10, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28185688/partial-nephrectomy-for-large-or-complex-masses-option-or-obsolete
#12
EDITORIAL
Ithaar H Derweesh, Riccardo Autorino, Karim Bensalah, Umberto Capitanio
No abstract text is available yet for this article.
February 6, 2017: European Urology
https://www.readbyqxmd.com/read/28185287/tumor-size-and-invasiveness-matters-for-partial-nephrectomy-external-validation-and-modification-of-the-arterial-based-complexity-score
#13
Maximilian C Kriegmair, Svetlana Hetjens, Philipp Mandel, Jula Wadle, Johannes Budjan, Maurice S Michel, Daniel Pfalzgraf, Nina Wagener
BACKGROUND: Outcome of partial nephrectomy (PN) depends on anatomic features of the renal tumor, which can be assessed by nephrometry scores. The aim was to externally validate and refine the Arterial Based Complexity (ABC) score and to compare it to established systems. METHODS: Tumors of 300 patients undergoing PN were categorized according to the ABC, RENAL, and PADUA score. Size and tumor invasiveness were combined to form the ABCD score. Correlation analysis and multivariate logistic regression was performed to validate and compare the respective scores as predictors of surgical outcome...
February 10, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28182157/comparison-of-the-clinical-efficacy-of-retroperitoneal-laparoscopic-partial-nephrectomy-and-radical-nephrectomy-for-treating-small-renal-cell-carcinoma-case-report-and-literature-review
#14
Hongfeng Shen, Ruisha Tu, Wei Li, Geng He, Wei Huang, Zhenchang Qin, Chongfeng Wang, Shuyong Yu
BACKGROUND: Renal cell carcinoma (RCC) is a common malignancy of the urinary system with high rates of morbidity and mortality. OBJECTIVES: This study aimed to investigate and analyze the clinical efficacy of retroperitoneal laparoscopic partial nephrectomy and laparoscopic radical nephrectomy for the treatment of small RCC. METHODS: In this retrospective study of 45 patients with small RCC, the patients were divided into two treatment groups: Group A (retroperitoneal laparoscopic partial nephrectomy, 25 cases) and Group B (retroperitoneal laparoscopic radical nephrectomy, 20 cases)...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28167691/robotic-partial-nephrectomy-for-duplex-kidney-with-ectopic-ureter-draining-in-the-vagina-in-an-adult-patient-with-urinary-incontinence
#15
Humza Mahmood, Marios Hadjipavlou, Raj Das, Chris Anderson
A duplex kidney system with an ectopic ureter draining into the vagina is a congenital malformation that typically presents as refractory urinary incontinence. Diagnosis is often difficult to establish and delayed due to a low incidence. We present the case of a patient aged 26 years with a life-long history of persistent urinary incontinence. Initial presentation was at childhood; however, the diagnosis went undetermined for 22 years. CT urography revealed a duplex kidney with an atrophic upper pole associated with an ectopic ureter that drained into the vaginal vault...
February 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28161843/validation-of-3d-volumetric-based-renal-function-prediction-calculator-for-nephron-sparing-surgery
#16
Renato Corradi, Aashish Kabra, Melissa Suarez, Jacob Oppenheimer, Zhamshid Okhunov, Hugh White, Stephanie Nougaret, Hebert A Vargas, Jaime Landman, Jonathan Coleman, Michael A Liss
OBJECTIVE: To evaluate a recently published volume-based renal function prediction calculator intended to be used in small renal mass surgical counseling. METHODS: Retrospective data collection included three-dimensional calculation of renal mass and parenchyma of patients who have undergone extirpative therapy. The predicted glomerular filtration rate (GFR) was calculated using the online calculator. The predicted GFR was compared with the actual 6-month GFR. The Pearson correlation coefficient, paired t test and root-mean-square error (RMSE) are utilized for statistical analysis...
February 4, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28161366/-partial-nephrectomy-vs-radical-nephrectomy-for-tumor-7cm
#17
A Chebbi, T Benoit, A Giwerc, M Roumiguié, A Aublé, N Doumerc, M Soulié, C Pfister, J B Beauval, F X Nouhaud
INTRODUCTION: The usefulness of partial nephrectomy (PN) has been demonstrated for the treatment of renal tumor<7cm and it is now the standard treatment for such lesions. However, few studies are available regarding tumors≥T2. The objective of this study was to assess PN results for the treatment of renal tumors>7cm. MATERIALS AND METHODS: A retrospective two-center study was performed, including 170 patients treated. Thirty-two patients underwent PN and 138 radical nephrectomy (RN) for renal cT2 tumors between 2004 and 2014...
February 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28161321/mayo-adhesive-probability-score-is-an-independent-computed-tomography-scan-predictor-of-adherent-perinephric-fat-in-open-partial-nephrectomy
#18
Logan Martin, Olivier Rouviere, Riadh Bezza, Jérôme Bailleux, Fatima Abbas, Anne-Marie Schott-Pethelaz, Alain Ruffion, Philippe Paparel
OBJECTIVE: To evaluate predictive radiological elements for adherent perinephric fat (APF) and the Mayo adhesive probability (MAP) score in the setting of open partial nephrectomy, and to assess their reproducibility. PATIENTS AND METHODS: We performed a retrospective case-control study involving 86 patients who had open partial nephrectomies performed by a single surgeon between January 1, 2009 and April 1, 2015. Radiological elements were assessed by 4 readers blinded to patient APF status...
February 1, 2017: Urology
https://www.readbyqxmd.com/read/28153421/anatomic-comparison-of-traditional-and-enucleation-partial-nephrectomy-specimens
#19
Adam C Calaway, Dibson D Gondim, Chandra K Flack, Joseph M Jacob, Muhammad T Idrees, Ronald S Boris
OBJECTIVE: To compare pseudocapsule (PC) properties of clear cell renal cell carcinoma tumors removed via both traditional partial nephrectomy (PNx) and enucleative techniques as well as quantify the difference in volume of normal renal parenchyma removed between groups. MATERIALS AND METHODS: A retrospective review of clear cell PNx specimens between 2011 and 2014 was performed. All patients undergoing tumor enucleation (TE) were included. A single pathologist reviewed the pathological specimens...
January 30, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28151912/cystatin-c-is-associated-with-partial-recovery-of-kidney-function-and-progression-to-chronic-kidney-disease-in-living-kidney-donors-observational-study
#20
Ji-Yeon Bang, Seon-Ok Kim, Sae-Gyul Kim, Jun-Gol Song, Gyu Sam Hwang
Donor nephrectomy in living-donor kidney transplantation may result in hyperfiltration injury in remnant kidney; however, its clinical implication in partial recovery of kidney function (PRKF) in remnant kidney and chronic kidney disease (CKD) progression remains unclear. Thus, we investigated the effect of PRKF on CKD development in the residual kidney and the utility of cystatin-C (Cys-C) in evaluating renal function in living-donor kidney transplantation donors.The electronic medical records and laboratory results of 1648 kidney transplant (KT) donors and 13,834 healthy nondonors between January 2006 and November 2014 were reviewed...
February 2017: Medicine (Baltimore)
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