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https://www.readbyqxmd.com/read/28528087/prognostic-value-of-inflammatory-and-nutritional-scores-in-renal-cell-carcinoma-after-nephrectomy
#1
Ding Peng, Zhi-Song He, Xue-Song Li, Qi Tang, Lei Zhang, Kai-Wei Yang, Xiao-Teng Yu, Cui-Jian Zhang, Li-Qun Zhou
INTRODUCTION: We compared the prognostic significance of inflammatory and nutritional scores, including the prognostic nutritional index (PNI), neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and lymphocyte-to-monocyte ratio in patients with renal cell carcinoma (RCC) undergoing nephrectomy. PATIENTS AND METHODS: We retrospectively analyzed the data from 1360 patients with RCC undergoing nephrectomy from 2001 to 2010. The PNI was calculated as the serum albumin level (g/L) + 5 × lymphocyte count (10(9)/L)...
April 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28527565/-advancement-in-the-treatment-of-renal-carcinoma
#2
Arnaud Méjean
Partial nephrectomy is the gold standard for the renal tumours less than 7 to 10cm whenever feasible in order to preserve renal function. The extension of nephron-sparing surgery using a mini-invasive approach is possible by robotic surgery. Radical nephrectomy is mandatory in the other situations and especially in case of locally advanced renal carcinoma. The place of cytoreductive nephrectomy in metastatic renal cell carcinoma is the purpose of the CARMENA trial. Tyrosine kinase inhibitors are currently the first line treatment; but in the near future new immunotherapy by checkpoints molecules could crucially change the treatment of metastatic renal cell carcinoma...
May 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28527169/isolated-renal-mucormycosis
#3
R Sriranga, Satyajeet Pawar, Wasim Khot, Neeraj Nischal, Manish Soneja, H A Venkatesh, Ragesh R Nair, Raj Kanna, Mehar C Sharma, S K Sharma
Mucormycosis in humans has been described as early as 1885 in literature. Isolated renal mucormycosis is rare as it has been mainly described in developing countries like India and China. It is rarer still to find this entity in immunocompetent young males without any risk factors. Specific guidelines on the treatment is not yet known but combined surgical and medical therapy is considered the best modality for its management. We describe a young male who presented with bilateral hydroureteronephrosis. He was initially treated as a case renal tuberculosis which is relatively more common in TB endemic country like ours...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28525664/near-infrared-fluorescence-with-indocyanine-green-for-diagnostics-in-urology-initial-experience
#4
Andrey O Morozov, Yuri G Alyaev, Leonid M Rapoport, Dmitrii G Tsarichenko, Eugene A Bezrukov, Denis V Butnaru, Eugene S Sirota
INTRODUCTION: Fluorescence imaging with indocyanine green is used in urology for the detection of sentinel lymph nodes and identification of prostate margins in radical prostatectomy for delineation of resection zone and selective clamping of vessels in partial nephrectomy; for identification and evaluation of length of ureteral strictures; for assessment of perfusion and viability of anastomoses during reconstructive stage of cystectomy. Safety of this technique is proven, while its diagnostic value and usefulness is still controversial...
May 16, 2017: Urologia
https://www.readbyqxmd.com/read/28525455/18f-fdg-pet-ct-of-malignant-angiomyolipoma-with-tumor-thrombus
#5
Andrew Griffin
Renal angiomyolipomas are the most common renal mesenchymal tumors. While classic angiomyolipomas are benign, there are a number of other subtypes. Epithelioid variants are potentially malignant and may be indistinguishable from renal cell carcinoma on imaging. We present a 52-year-old woman who underwent left nephrectomy for an aggressive-appearing malignant renal epithelioid angiomyolipoma. At 6 months postoperatively, restaging FDG PET/CT demonstrated a hypermetabolic left adrenal mass extending to the left adrenal vein, left renal vein, inferior vena cava, and right atrium (SUVmax = 12)...
May 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28522934/xanthogranulomatous-pyelonephritis-presenting-as-a-type-iv-renal-cyst
#6
Indraneel Banerjee, Vinay Tomar, Sher Singh Yadav, Nachiket Vyas, Shyam Talreja
A 20-year-old woman presented to our outpatient clinic with a 5-week history of recurrent right lumbar back pain. Contrast-enhanced computed tomography scan showed a Bosniak class IV renal cyst. She was treated with radical nephrectomy. Histopathology revealed xanthogranulomatous pyelonephritis.
2017: Reviews in Urology
https://www.readbyqxmd.com/read/28521439/arteriovenous-malformation-and-thyroid-metastasis-from-underlying-renal-cell-carcinoma-an-unusual-presentation-of-malignancy-a-case-report
#7
H J Albandar, E S Roberto, J R H See, J H Sabiers
Renal Clear Cell Carcinoma (RCC) comprises over 80% of renal malignancies in adults. Thyroid gland metastasis is rare in RCC. Few studies have described cases of RCC mistaken for benign arteriovenous malformation (AVM). To the best of our knowledge, an AVM arising from underlying RCC metastasis to the brain has not yet been reported. The current study presents a case of RCC metastasis to the thyroid gland, with an AVM identified to be a result of metastatic involvement in the brain. A 45-year-old African-American female presented with left-sided weakness, slurred speech, facial droop and seizure...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521424/reninoma-coexisting-with-adrenal-adenoma-during-pregnancy-a-case-report
#8
Mei Xue, Yan Chen, Jin Zhang, Youyan Guan, Lin Yang, Bing Wu
Reninoma is a rare form of secondary hypertension. The present study reported a case of reninoma that coexisted with an adrenal adenoma in a young female with secondary hypertension during pregnancy. The patient, a 31-year-old female exhibiting hypertension for >1 year, developed a mass in the right adrenal gland, which was detected by an ultrasound scan in the 33rd gestational week. In addition, a well-defined solid mass on the left kidney was detected by a magnetic resonance imaging scan1 month subsequent to the termination of the pregnancy...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516316/venous-thromboembolism-after-nephrectomy-incidence-timing-and-associated-risk-factors-from-a-national-multi-institutional-database
#9
Brian J Jordan, Richard S Matulewicz, Brian Trihn, Shilajit Kundu
PURPOSE: To evaluate the rate of venous thromboembolism (VTE) after nephrectomy with specific focus on event timing and location (before or after hospital discharge) in order to identify modifiable risk factors and establish benchmarks for preventive interventions. METHODS: Using the ACS-NSQIP database, we identified patients undergoing nephrectomy from 2006 to 2012. Patients were analyzed in two cohorts: collectively and by surgical approach [open vs. lap/robotic (MIS)]...
May 17, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28515813/transperitoneal-laparoscopic-nephrectomy-assessing-complication-risk-in-cases-of-previous-abdominal-surgery
#10
Simon Ouellet, Robert Sabbagh, Claudio Jeldres
INTRODUCTION: We aimed to assess the effect of previous abdominal surgery on perioperative outcomes in patients undergoing transperitoneal laparoscopic partial (LPN) or radical (LRN) nephrectomy for renal masses. METHODS: We retrospectively reviewed all cases of LPN and LRN for renal masses at our institution between 2008 and 2014. Patients were divided in two groups, those with and without prior abdominal surgery. Four perioperative outcomes were compared, namely, operative time (OT), estimated blood loss (EBL), length of stay (LOS), and 30-days complications rate...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28515153/differential-regulation-of-renal-klotho-and-fgfr1-in-normal-and-uremic-rats
#11
Juan R Muñoz-Castañeda, Carmen Herencia, Maria Victoria Pendón-Ruiz de Mier, Maria Encarnación Rodriguez-Ortiz, Juan M Diaz-Tocados, Noemi Vergara, Julio M Martínez-Moreno, Maria Dolores Salmerón, William G Richards, Arnold Felsenfeld, Makoto Kuro-O, Yolanda Almadén, Mariano Rodríguez
In renal failure, hyperphosphatemia occurs despite a marked elevation in serum fibroblast growth factor (FGF)-23. Abnormal regulation of the FGFR1-Klotho receptor complex may cause a resistance to the phosphaturic action of FGF23. The purpose of the present study was to investigate the regulation of renal Klotho and FGF receptor (FEFR)-1 in healthy and uremic rats induced by 5/6 nephrectomy. In normal rats, the infusion of rat recombinant FGF23 enhanced phosphaturia and increased renal FGFR1 expression; however, Klotho expression was reduced...
May 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28513773/attenuation-of-renal-ischemic-reperfusion-injury-by-salvianolic-acid-b-via-suppressing-oxidative-stress-and-inflammation-through-pi3k-akt-signaling-pathway
#12
Z G Ma, H Q Xia, S L Cui, J Yu
Salvianolic acid B (SAB) is one the major phytocomponents of Radix Salvia miltiorrhiza and exhibit numerous health promoting properties. The objective of the current study was to examine whether SAB exerts a renoprotective effect by attenuating oxidative stress and inflammatory response through activating phosphatidylinositol 3-kinase/serine-threonine kinase B (PI3K/Akt) signaling pathway in a renal ischemic reperfusion rat model. Forty Sprague-Dawley male rats (250-300 g) were obtained and split into four groups with ten rats in each group...
May 15, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28512310/fgf23-fgfr4-mediated-left-ventricular-hypertrophy-is-reversible
#13
Alexander Grabner, Karla Schramm, Neerupma Silswal, Matt Hendrix, Christopher Yanucil, Brian Czaya, Saurav Singh, Myles Wolf, Sven Hermann, Jörg Stypmann, Giovana Seno Di Marco, Marcus Brand, Michael J Wacker, Christian Faul
Fibroblast growth factor (FGF) 23 is a phosphaturic hormone that directly targets cardiac myocytes via FGF receptor (FGFR) 4 thereby inducing hypertrophic myocyte growth and the development of left ventricular hypertrophy (LVH) in rodents. Serum FGF23 levels are highly elevated in patients with chronic kidney disease (CKD), and it is likely that FGF23 directly contributes to the high rates of LVH and cardiac death in CKD. It is currently unknown if the cardiac effects of FGF23 are solely pathological, or if they potentially can be reversed...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28512163/retroperitoneal-laparoscopic-radical-nephrectomy-allows-continuation-of-peritoneal-dialysis-in-patients-with-end-stage-renal-disease
#14
Aziz Khambati, Mary Kate Fitzgerald, Kent T Perry, Robert B Nadler
Patient outcomes for retroperitoneal laparoscopic radical nephrectomy (RLRN) in adults on peritoneal dialysis (PD) have not been described in the literature. This is the first series on the successful application of RLRN for renal cell carcinoma (RCC) among adults with end-stage renal disease (ESRD) on PD. In our series of 5 patients, all were able to promptly resume PD, no wound complications were noted at postoperative visits, and no evidence of recurrence was identified on surveillance imaging at follow-up...
May 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28511888/simple-visual-review-of-pre-to-post-operative-renal-ultrasound-images-predicts-pyeloplasty-success-equally-as-well-as-geometric-measurements-a-blinded-comparison-with-a-gold-standard
#15
Adam J M Kern, Bruce J Schlomer, Matthew D Timberlake, Craig A Peters, Matthew R Hammer, Micah A Jacobs
BACKGROUND: MAG3 diuretic renal scan remains the gold standard for determination of improvement in renal drainage following pyeloplasty for ureteropelvic junction obstruction. We hypothesized that (i) a change in geometric measurements between pre-operative and post-operative renal ultrasound (RUS) images and (ii) blinded simple visual review of images both would predict pyeloplasty success. OBJECTIVE: To determine if simple visual review and/or novel geometric measurement of renal ultrasounds can detect pyeloplasty failure...
April 28, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28509141/primary-ewing-sarcoma-of-the-kidney-a-case-report-and-treatment-review
#16
Muhammad Sadiq, Iftikhar Ahmad, Jamila Shuja, Khushnaseeb Ahmad
Ewing sarcomas/primitive neuroectodermal tumors (ES/PNET) of the kidney are rarely found high-grade malignant tumors, offering poor prognosis. Although established treatment guidelines for ES of kidney are scarce, a multi-modality treatment approached is typically implemented. Herein, we report a 14-year-old female patient with ES of right kidney. Post-nephrectomy disease recurrence was treated with chemotherapy (i.e., vincristine, doxorubicin and cyclophosphamide); marked reduction in tumor size (i.e., from 18...
April 21, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28509120/complex-glomerular-pathology-of-thrombotic-microangiopathy-and-focal-segmental-glomerulosclerosis-forms-tumor-like-mass-in-a-renal-transplant-donor-with-severe-renovascular-hypertension
#17
Michio Nagata, Yutaka Yamaguchi, Daisuke Toki, Izumi Yamamoto, Hiroaki Shinmura, Hiroshi Kawaguchi
The pathogenesis of glomerular hypertension-mediated FSGS and its histological variations in humans remains unknown. A 47-year-old man developed nephrotic syndrome, renal dysfunction, and malignant hypertension 2 years after donating a kidney to his son. The donor's remnant kidney developed renal mass at an upper pole which was fed by an aberrant artery that branched from the root of the renal artery. Furthermore, the main non-aberrant renal artery demonstrated severe stenosis that caused renovascular hypertension, resulting in malignant hypertension...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28507908/renal-cell-carcinoma-in-a-pregnant-woman-with-horseshoe-kidney
#18
Anna Scavuzzo, Zael Santana Rios, Cristobal Diaz-Gomez, Beatriz Varguez Gonzalez, Victor Osornio-Sanchez, Edgar Bravo-Castro, Edgar Linden-Castro, Pedro Martinez-Cervera, Miguel Angel Jimenez-Rios
To our knowledge, this is the first reported case of renal cell carcinoma in kidney horseshoe diagnosed in the second trimester of pregnancy. We performed open radical nephrectomy when the pregnancy was completed. Kidney cancer is rare during pregnancy and the symptoms can be mimic urinary infection. The diagnosis and its management can be a challenge.
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28506052/-renal-cell-carcinoma-with-retroperitoneal-metastases-and-renal-invasion-from-breast-cancer-a-case-report
#19
Go Noguchi, Yoko Saito, Taku Mitome, Susumu Umemoto, Ayano Kakazu, Tomoko Sugiyama, Teiichiro Ueki
A 67-year-old female was hospitalized with back pain. Computed tomography (CT) incidentally revealed a tumor in her left kidney tumor (33 mm) and bilateral breast tumors. She underwent a breast biopsy and was diagnosed with breast cancer (invasive lobular cancer, cT2N0M0). The renal tumor was suspected to be clear cell carcinoma, cT1aN0M0, based on contrast-enhanced CT. Surgery was considered necessary for both the breast cancer and renal tumor. First, laparoscopic radical nephrectomy was performed for the renal tumor...
April 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28506051/-a-case-of-thyroid-like-follicular-carcinoma-of-the-kidney
#20
Katsuhiro Ito, Hiromitsu Negoro, Masashi Kubota, Hideaki Takada, Toshihiro Magaribuchi, Atsuro Sawada, Shusuke Akamatsu, Takashi Kobayashi, Naoki Terada, Toshinari Yamasaki, Takahiro Inoue, Tomomi Kamba, Yuki Teramoto, Osamu Ogawa
A 51-year-oldwoman with a right renal mass was referredto our hospital. Computedtomographic (CT) scan demonstrated a 30 mm-diameter renal mass with delayed enhancement. She underwent a robotassistedlaparoscopic right partial nephrectomy. The pathological examination showedthat tumor cells with eosinophilic, clear cytoplasm formedtubules of various sizes containing colloid-like material, which resembled the findings of thyroidfollicular carcinoma. The tumor was immunoreactive for vimentin andcytokeratin (CK) 7, whereas it lackedreactivity for thyroidtranscription factor-1 (TTF-1) or thyroglobulin...
April 2017: Hinyokika Kiyo. Acta Urologica Japonica
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