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https://www.readbyqxmd.com/read/29144626/super-selective-robot-assisted-partial-nephrectomy-using-near-infrared-flurorescence-versus-early-unclamping-of-the-renal-artery-results-of-a-prospective-matched-pair-analysis
#1
Cecilia Lanchon, Valentin Arnoux, Gaëlle Fiard, Jean-Luc Descotes, Jean-Jacques Rambeaud, Jean-Benjamin Lefrancq, Delphine Poncet, Nicolas Terrier, Camille Overs, Quentin Franquet, Jean-Alexandre Long
INTRODUCTION: Super-selective clamping of tumor-specific segmental arteries was developed to eliminate ischemia of the remnant kidney while limiting hemorrhage during partial nephrectomy. The objective is to evaluate the benefice of super-selective clamping on renal functional outcome, compared to early-unclamping of the renal artery. MATERIALS AND METHODS: From March 2015 to July 2016, data from 30 patients undergoing super-selective robot-assisted PN (RAPN) for a solitary tumor by a single surgeon were prospectively collected...
November 19, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29124239/impact-of-preoperative-proteinuria-on-renal-functional-outcomes-after-open-partial-nephrectomy-in-patients-with-a-solitary-kidney
#2
Hidekazu Tachibana, Tsunenori Kondo, Toshio Takagi, Masayoshi Okumi, Kazunari Tanabe
Purpose: To assess the impact of proteinuria on postoperative renal function after open partial nephrectomy (OPN) in patients with a solitary kidney and analyze predictive factors for developing chronic kidney disease (CKD) stage IV or higher. Materials and Methods: Patients with a solitary kidney who underwent OPN at Tokyo Women's Medical University Hospital between 1986 and 2016 were the subjects of this study. The patients were divided into 2 groups according to the presence of preoperative proteinuria...
November 2017: Investigative and Clinical Urology
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
#3
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/29101764/renal-autotransplantation-in-metachronous-solitary-contralateral-ureteral-metastasis-from-renal-cell-carcinoma-a-case-report
#4
Katharina Bretterbauer, Martin Drerup, Stefan Heidler, Georg Lösch, Walter Albrecht
Ureteral metastasis of renal cell carcinoma (RCC) is rare and usually confined to the ipsilateral ureter. In literature, about 50 cases have been reported so far. Of these, only 14 metastasized metachronously to the contralateral ureter.A seventy-one-year-old man was hospitalized with recurrent painless severe haematuria. Seven years previously, he had undergone radical nephrectomy of the right kidney due to a clearcell renal cell carcinoma (cRCC), Fuhrman grad 2. Intravenous urography and a retrograde ureterogram revealed a filling defect (25 mm) in the left distal ureter, which we expected to be an urothelial carcinoma...
November 4, 2017: Urology Journal
https://www.readbyqxmd.com/read/29072675/outcomes-of-prenatally-diagnosed-solitary-functioning-kidney-during-early-life
#5
M Davidovits, R Cleper, N Eizenberg, O Hocherman, R Mashiach
OBJECTIVE: To evaluate outcomes of congenital solitary functioning kidney (SFK) in early childhood. STUDY DESIGN: A retrospective study of 32 children diagnosed in utero with SFK owing to unilateral renal agenesis or multicystic dysplastic kidney and followed for 1 to 11.5 years. RESULTS: SFK length was in the compensatory hypertrophy range in 45% of fetal sonographic evaluations from mid-pregnancy, and in 85% on postnatal follow-up. Glomerular filtration rate was below normal range in 44...
October 26, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29071122/diagnostic-algorithm-prognostic-factors-and-surgical-treatment-of-metastatic-cancer-diseases-of-the-long-bones-and-spine
#6
REVIEW
Miklós Szendrői, Imre Antal, Attila Szendrői, Áron Lazáry, Péter Pál Varga
Oncological management of skeletal metastases has changed dramatically in the last few decades. A significant number of patients survive for many years with their metastases.Surgeons are more active and the technical repertoire is broader, from plates to intramedullary devices to (tumour) endoprostheses.The philosophy of treatment should be different in the case of a trauma-related fracture and a pathological fracture. A proper algorithm for establishing a diagnosis and evaluation of prognostic factors helps in planning the surgical intervention...
September 2017: EFORT open reviews
https://www.readbyqxmd.com/read/29044535/incidence-and-histologic-features-of-mixed-renal-tumors
#7
Neil J Kocher, Chris Rjepaj, Erik Lehman, Jay D Raman
BACKGROUND AND OBJECTIVES: Guidelines for management of renal cell carcinoma (RCC) incompletely address the implications of mixed renal tumor histology. We investigate the incidence of mixed renal tumors identified at renal surgery and determine the association with pathologic features. METHODS: Institutional kidney tumor database was reviewed to identify 536 patients who underwent partial or radical nephrectomy. Clinical, demographic, and pathologic data were collected...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29042169/percutaneous-cryoablation-of-renal-cell-carcinoma-with-sinus-vein-involvement-based-on-preprocedural-imaging
#8
Thomas D Atwell, A Nicholas Kurup, Stephen A Boorjian, John J Schmitz, R Houston Thompson, Bradley C Leibovich, Grant D Schmit
PURPOSE: To assess feasibility, safety, and oncologic outcomes of cryoablation in treatment of renal cell carcinoma (RCC) with extension into adjacent renal sinus vein. MATERIALS AND METHODS: Review of an internally maintained renal ablation registry identified 7 patients (4 men and 3 women; median age 62 y; age range, 45-91 y) who underwent percutaneous cryoablation of RCC with imaging consistent with extension of tumor into an immediately adjacent renal sinus vein...
October 14, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29032847/management-of-a-renal-mass-in-a-solitary-kidney-to-freeze-or-to-cut
#9
EDITORIAL
Tobias Klatte, Antony C P Riddick, Grant D Stewart
No abstract text is available yet for this article.
October 9, 2017: European Urology
https://www.readbyqxmd.com/read/29023893/analysis-of-renal-blood-flow-and-renal-volume-in-normal-fetuses-and-in-fetuses-with-a-solitary-functioning-kidney
#10
An Hindryckx, Anke Raaijmakers, Elena Levtchenko, Karel Allegaert, Luc De Catte
OBJECTIVE: To evaluate renal blood flow and renal volume for the prediction of postnatal renal function in fetuses with solitary functioning kidney (SFK). METHODS: 74 SFK fetuses (unilateral renal agenesis (12), multicystic dysplastic kidney (36) and severe renal dysplasia (26)) were compared with 58 healthy fetuses. Peak systolic velocity (PSV), Pulsatility Index (PI ) and Resistance Index (RI) of the renal artery (RA) were measured; 2- and 3D (VOCAL) volumes were calculated...
October 10, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29018183/a-case-of-left-renal-vein-ligation-in-a-patient-with-solitary-left-kidney-undergoing-liver-transplantation-to-control-splenorenal-shunt-and-improve-portal-venous-flow
#11
Rodrigo B Martino, Eserval Rocha Júnior, Valdano Manuel, Vinicius Rocha-Santos, Luis Augusto C D'Albuquerque, Wellington Andraus
BACKGROUND Adequate portal venous flow is required for successful liver transplantation. Reduced venous flow and blood flow 'steal' by collateral vessels are a concern, and when there is a prominent splenorenal shunt present, ligation of the left renal vein has been recommended to improve portal venous blood flow. CASE REPORT A 51-year-old man who had undergone right nephrectomy in childhood required liver transplantation for liver cirrhosis and hepatocellular carcinoma due to hepatitis C virus (HCV) infection...
October 11, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28993361/a-rare-case-of-extra-adrenal-bilateral-perirenal-and-periureteric-myelolipoma
#12
Samireddypalle Yugandhar, Sanjoy Kumar Sureka, Priyank Yadav, Hira Lal
A 30-year-old immunocompetent female presented with right flank pain since 3 years. MRI revealed a large well-defined T1 and T2 hypointense mildly enhancing lesion in the right anterior pararenal space displacing the right kidney and encasing the right ureter with T2 hyperintense wall thickening of the left renal pelvis and ureter. A provisional diagnosis of solitary fibrous tumour was kept. Bilateral double J stenting was done for hydronephrosis. Surgical debulking of the lesion was done with biopsy from the left periureteral wall thickening and was found to be myelolipoma on histopathological examination...
October 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28967553/outcomes-after-cryoablation-versus-partial-nephrectomy-for-sporadic-renal-tumors-in-a-solitary-kidney-a-propensity-score-analysis
#13
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/28955345/protective-cytomegalovirus-cmv-specific-t-cell-immunity-is-frequent-in-kidney-transplant-patients-without-serum-anti-cmv-antibodies
#14
Nicolle H R Litjens, Ling Huang, Burç Dedeoglu, Ruud W J Meijers, Jaap Kwekkeboom, Michiel G H Betjes
The absence of anti-cytomegalovirus (CMV) immunoglobulin G (IgG) is used to classify pretransplant patients as naïve for CMV infection (CMV(neg) patients). This study assessed whether pretransplant CMV-specific T-cell immunity exists in CMV(neg) patients and whether it protects against CMV infection after kidney transplantation. The results show that CMV-specific CD137(+)IFNγ(+)CD4(+) and CD137(+)IFNγ(+)CD8(+) memory T cells were present in 46 and 39% of CMV(neg) patients (n = 28) although at much lower frequencies compared to CMV(pos) patients (median 0...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28949078/conversion-during-laparoscopic-anterior-resection-for-rectal-cancer-with-a-congenital-solitary-pelvic-kidney-a-case-report
#15
Koki Takeda, Chu Matsuda, Hidekazu Takahashi, Naotsugu Haraguchi, Junichi Nishimura, Taishi Hata, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
A 54-year-old female patient was hospitalized with a chief complaint of anal discomfort. Based on biopsy results, she was diagnosed with highly differentiated adenocarcinoma, and colonoscopy findings indicated a type 3 rectal tumor. We observed a right pelvic kidney on enhanced abdominal CT. We began a laparoscopic operation but converted to an open operation after resecting the right pelvic renal artery by mistake. After low anterior resection, urologists performed angioplasty of the right renal pelvic artery...
September 26, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28941919/local-tumor-bed-recurrence-following-partial-nephrectomy-in-patients-with-small-renal-masses
#16
Erika L Wood, Mehrad Adibi, Wei Qiao, Jessica Brandt, Miao Zhang, Pheroze Tamboli, Surena F Matin, Christopher G Wood, Jose A Karam
PURPOSE: We examined the incidence, characteristics and treatment of patients with tumor bed recurrence after partial nephrectomy. MATERIALS AND METHODS: We retrospectively reviewed the charts of 2,256 patients with sporadic small renal masses treated with partial nephrectomy between 2000 and 2014. Local tumor bed recurrence was strictly defined as detection of a new enhancing lesion 1) specifically in the surgical defect or 2) in the same region (eg lower pole) as the partial nephrectomy site...
September 20, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28939448/-solitary-kidney-management-and-outcome
#17
A Godron-Dubrasquet, C Didailler, J Harambat, B Llanas
Solitary functioning kidneys form an important subgroup of congenital anomalies of the kidney and urinary tract (CAKUT). A solitary kidney can be congenital or acquired after unilateral nephrectomy and is often associated with ipsilateral urogenital anomalies. Both types of solitary functioning kidney are associated with an increased risk of chronic kidney disease (CKD). A low functional nephron number results in compensatory glomerular hypertension and enlargement of remnant nephrons, indicating glomerular hyperfiltration...
November 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28937391/metastasis-within-a-metastasis-to-the-thyroid-a-rare-phenomenon
#18
Yin Ping Wong, Khairunisa Ahmad Affandi, Geok Chin Tan, Rohaizak Muhammad
Metastatic disease involving the thyroid gland is uncommon. Solitary thyroid metastases from various primary sites particularly kidney, lung, and breast had been previously described. To the best of our knowledge, metastases from two topographically separate primary malignancies to the thyroid have never been documented hitherto. This is the first reported case of cancer-to-cancer metastasis involving an invasive breast carcinoma metastasized within a metastatic renal cell carcinoma in the nonneoplastic thyroid in a 58-year-old woman...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28893708/ex%C3%A2-vivo-reconstruction-and-autotransplantation-for-hilar-renal-artery-aneurysms-in-patients-with-congenital-anomalies
#19
Jaiyeola Adeyemi, Jacob Johnson, Yevgeniy Rits, A George Akingba, Jeffrey Rubin
Renal artery aneurysms (RAAs) are an uncommon finding but are more often associated with other congenital disorders. The complex (hilar) RAAs constitute a subset of RAAs that present a therapeutic dilemma for the vascular surgeon because of their anatomic location. This dilemma worsens when hilar RAAs occur with a solitary kidney where organ preservation is vital. Ex vivo reconstruction with autotransplantation is especially suitable for hilar RAAs, even when they are associated with a solitary kidney. We report 2 of such cases of RAAs with a solitary kidney in patients with pertinent congenital anomalies...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28893213/application-and-analysis-of-retroperitoneal-laparoscopic-partial-nephrectomy-with-sequential-segmental-renal-artery-clamping-for-patients-with-multiple-renal-tumor-initial-experience
#20
Jundong Zhu, Fan Jiang, Pu Li, Pengfei Shao, Chao Liang, Aiming Xu, Chenkui Miao, Chao Qin, Zengjun Wang, Changjun Yin
BACKGROUND: To explore the feasibility and safety of retroperitoneal laparoscopic partial nephrectomy with sequential segmental renal artery clamping for the patients with multiple renal tumor of who have solitary kidney or contralateral kidney insufficiency. METHODS: Nine patients who have undergone retroperitoneal laparoscopic partial nephrectomy with sequential segmental renal artery clamping between October 2010 and January 2017 were retrospectively analyzed...
September 11, 2017: BMC Urology
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