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https://www.readbyqxmd.com/read/29323077/epidermoid-cyst-of-the-renal-pelvis-masquerading-as-malignancy
#1
Dinesh Pradhan, Gabriela Quiroga-Garza, Ronald Hrebinko, Rajiv Dhir, Anil V Parwani
Epidermoid cyst of the renal pelvis is exceptionally rare. The histogenetic mechanism has not been well characterized. Herein, we report a case of intrarenal epidermoid cyst in a 62-year-old woman who had undergone left nephrolithotomy for a staghorn calculus. She was being followed up for bilateral renal cysts when a complex mass was noted arising from the lower pole of the left kidney. Renal ultrasound showed a small left kidney with a solid vascular echogenic mass. A laparoscopic radical nephrectomy was performed...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29319486/evaluating-factors-that-dictate-struvite-stone-composition-a-multi-institutional-clinical-experience-from-the-edge-research-consortium
#2
Ryan Kendrick Flannigan, Andrew Battison, Shubha De, Mitchell R Humphreys, Markus Bader, Ekaterina Lellig, Manoj Monga, Ben H Chew, Dirk Lange
INTRODUCTION: Struvite stones account for 15% of urinary calculi and are typically associated with urease-producing urinary tract infections and carry significant morbidity. This study aims to characterize struvite stones based on purity of stone composition, bacterial speciation, risk factors, and clinical features. METHODS: Retrospective data was collected from patients diagnosed with infection stones between 2008 and 2012. Stone analysis, perioperative urine cultures, bacterial speciation, and clinical data were collected and analyzed...
December 22, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29239225/ureteroscopic-high-frequency-dusting-utilizing-a-120-watt-holmium-laser
#3
James M Tracey, Galina Gagin, Duncan Morhardt, John M Hollingsworth, Khurshid R Ghani
INTRODUCTION & OBJECTIVE: Recently there has been interest in a dusting technique for lithotripsy during ureteroscopy (URS) utilizing high frequency and low pulse energy (HiFr-LoPE) settings. We assessed a 120 Watt holmium laser that permits high frequency (>50 Hz) dusting. MATERIALS AND METHODS: Consecutive URS cases performed by a single surgeon using the P120H (Lumenis, San Jose, CA) were reviewed. Lithotripsy was performed using HiFr-LoPE settings [50-80 Hz /0...
December 14, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29221922/pediatric-percutaneous-nephrostomy-a-multicenter-experience
#4
Sphoorti Shellikeri, Robert Daulton, Madeleine Sertic, Bairbre Connolly, Mark Hogan, Francis Marshalleck, Anne Marie Cahill
PURPOSE: To analyze technique, outcomes, and complications of a large series of pediatric percutaneous nephrostomy (PCN) procedures performed at 4 tertiary pediatric centers. MATERIALS AND METHODS: Retrospective multicenter study of PCNs performed during an 11-year period. Six hundred seventy-five PCNs were performed on 441 patients (median age: 4 y, range: 1 d-18 y, median weight: 17 kg, range: 0.7-112 kg); 31% were younger than 1 year. The most frequent indications for PCN procedures included hydronephrosis (57%), calculus (14%), and infection (12%)...
December 5, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29200960/solitary-fibrous-tumor-occurring-in-the-parotid-gland-a-case-report
#5
Meryem Rais, Amine Kessab, Zahra Sayad, Sanae El Mourabit, Redallah Zrarqi, Salma Benazzou, Malik Boulaadas, Nadia Cherradi
Background: Solitary fibrous tumor is an uncommon spindle cell neoplasm of unknown origin. It has been reported in many anatomic sites, with a rare occurrence in the head and neck region. Solitary fibrous tumors of the parotid gland are exceptional; their clinical and radiologic features are non specific, often mimicking more common salivary gland tumors. Pathologic examination and immunohistochemistry are required to make the correct diagnosis. The prognosis is favorable, with most tumors being benign, and complete surgical resection is the treatment of choice...
2017: BMC Clinical Pathology
https://www.readbyqxmd.com/read/29198396/no-stone-unturned-the-presence-of-kidney-stones-in-a-skeleton-from-19th-century-peoria-illinois
#6
Thomas C Jaskowiec, Anne L Grauer, Michael Lee, Sean Rajnic
During the excavation of the 19th century Peoria City Cemetery (Peoria, Illinois), a skeleton of a female, aged 20-30 years old, was found with large, bilateral calcified masses in the abdominal region. The masses were analyzed by Fourier transform infrared (FTIR) spectroscopy, and the results compared to published clinical data in an effort to determine the etiology of the stones. The calcified masses were determined to be staghorn struvite uroliths, which commonly result from chronic urinary tract infection and likely impacted the overall health of this individual...
December 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29173274/single-lower-calyceal-percutaneous-tract-combined-with-flexible-nephroscopy-a-valuable-treatment-paradigm-for-staghorn-stones
#7
Stavros Sfoungaristos, Ioannis Mykoniatis, Ioannis Katafigiotis, Ayman Isid, Ofer N Gofrit, Constantinos A Constantinides, Mordechai Duvdevani
INTRODUCTION: We evaluated the efficacy and safety of single lower calyceal tract combined with flexible nephroscopy for the management of staghorn renal stones by percutaneous nephrolithotomy. METHODS: The medical records of patients who underwent percutaneous nephrolithotomy for the management of staghorn stones were analyzed. We included patients aged >18 years, while patients with incomplete data and renal anatomical anomalies were excluded from the study...
December 1, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29135418/dusting-utilizing-suction-technique-dust-for-percutaneous-nephrolithotomy-use-of-a-dedicated-laser-handpiece-to-treat-a-staghorn-stone
#8
Khurshid R Ghani, Ali H Aldoukhi, William W Roberts
No abstract text is available yet for this article.
November 17, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29130401/combined-single-tract-of-minimally-percutaneous-nephrolithotomy-and-flexible-ureteroscopy-for-staghorn-calculi-in-oblique-supine-lithotomy-position
#9
Songbai Leng, Donghua Xie, Yi Zhong, Ming Huang
PURPOSE: To present our experience of combined single-percutaneous tract minimally invasive percutaneous nephrolithotomy (MPCNL) and flexible ureteroscopic lithotripsy (FURL) in managing staghorn calculi (SC) in oblique supine lithotomy position and to define the safety, efficiency, and feasibility of this approach. PATIENTS AND METHODS: Eighty-seven patients with SC treated with surgery in our hospital from March 2014 to January 2016 were retrospectively analyzed...
November 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/29082323/re-combination-of-extracorporeal-shockwave-lithotripsy-and-ureteroscopy-for-large-staghorn-calculi-in-a-pediatric-patient-case-report-by-schults-et-al-j-endourol-case-rep-2017-3-64-66
#10
Cumhur Yesildal, Sinan Kirecci, Ayhan Dalkiliç
No abstract text is available yet for this article.
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29050174/-effects-of-modified-three-step-procedure-for-anatrophic-nephrolithotomy-in-the-treatment-of-complex-staghorn-renal-calculi
#11
C L Yang, W Wang, W E Zhou, Y P Xue, B Q Wang, H B Nie, W L Hu
Objective: To investigate the effects of modified three-step procedure for anatrophic nephrolithotomy in the treatment of complex staghorn renal calculi. Methods: A total of 22 patients with complex staghorn renal calculi between June 2013 and June 2016 at Department of Urology in Guangzhou General Hospital of Guangzhou Military Command were retrospective analyzed. There were 13 males and 9 females, ranging from 35 to 62 years old with mean age of 47 years. There were 17 patients with dull pain, and 5 patients who were found through physical examinations...
October 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28978905/early-progression-of-xanthogranulomatous-pyelonephritis-in-children-might-be-dependent-on-vimentin-expression
#12
Danuta Ostalska-Nowicka, Katarzyna Mackowiak-Lewandowicz, Aneta Konwerska, Jacek Zachwieja
BACKGROUND Xanthogranulomatous pyelonephritis (XP) is an extremely rare, severe, atypical form of chronic renal parenchymal inflammation accompanied by hydronephrosis and/or urolithiasis. The pathomechanism of XP is not yet fully understood. Microscopically, XP is indicated by the presence of multinucleated giant cells and lipid-laden macrophages, as well as inflammatory infiltration and intensive renal fibrosis. The lipid accumulation in kidney parenchyma may be secondary to the altered flow of low-density lipoprotein (LDL)-derived cholesterol particles inside the affected cells...
October 5, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28962823/external-validation-and-comparison-of-the-scoring-systems-s-t-o-n-e-guy-croes-s-resc-for-predicting-percutaneous-nephrolithotomy-outcomes-for-staghorn-stones-a-single-center-experience-with-160-cases
#13
Serkan Yarimoglu, Ibrahim Halil Bozkurt, Ozgu Aydogdu, Tarik Yonguc, Ertugrul Sefik, Yusuf Kadir Topcu, Tansu Degirmenci
The aim of this study was validation and comparison of stone scoring systems (S.T.O.N.E, GUY, CROES, S-ReSC) used to predict postoperative stone-free status and complications after percutaneous nephrolithotomy (PCNL) for staghorn stones. A total of 160 patients who had staghorn renal stones and underwent PCNL between January 2012 and August 2015 were included in the current retrospective study. Guy, S.T.O.N.E., S-ReSC (Seoul National University Renal Stone Complexity) and CROES (Clinical Research Office of the Endourological Society) nephrolithometry scores were calculated for each patient, and their potential association with stone-free status, operative and fluoroscopy time, and length of hospital stay (LOS) were evaluated...
October 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28952685/-laparoscopic-pyelolithotomy-and-its-role-in-modern-surgery-of-nephrolithiasis
#14
P V Glybochko, Yu G Alyaev, L M Rapoport, M E Enikeev, D G Tsarichenko, E V Shpot, D O Korolev, A A Vorobyev, D V Enikeev
AIM: To determine the place of laparoscopic pyelolithotomy in surgical management of nephrolithiasis. MATERIALS AND METHODS: We analyzed 16 laparoscopic pyelolithotomies performed in our clinic over the last few years for large and stag-horn stones of anomalous kidneys (n=8), the "giant" (>30-40 cc) monolithic stones of the large extrarenal pelvis (n=3), multiple stones of PCS with the stone burden of more or equal 40 cm (n=2) and large recurrent (after PCNL) kidney stones in patients at risk of bacteriotoxic complications of percutaneous nephroscopy (n=3)...
September 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28885437/cellular-angiofibroma-of-the-nasopharynx
#15
Zülküf Burak Erdur, Haydar Murat Yener, Mehmet Yilmaz, Ayşegül Batioğlu Karaaltin, Hakki Caner Inan, Elvin Alaskarov, Emine Deniz Gozen
Angiofibroma is a common tumor of the nasopharynx region but cellular type is extremely rare in head and neck. A 13-year-old boy presented with frequent epistaxis and nasal obstruction persisting for 6 months. According to the clinical symptoms and imaging studies juvenile angiofibroma was suspected. Following angiographic embolization total excision of the lesion by midfacial degloving approach was performed. Histological examination revealed that the tumor consisted of staghorn blood vessels and irregular fibrous stroma...
November 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28861224/genomic-patterns-in-acropora-cervicornis-show-extensive-population-structure-and-variable-genetic-diversity
#16
Crawford Drury, Stephanie Schopmeyer, Elizabeth Goergen, Erich Bartels, Ken Nedimyer, Meaghan Johnson, Kerry Maxwell, Victor Galvan, Carrie Manfrino, Diego Lirman
Threatened Caribbean coral communities can benefit from high-resolution genetic data used to inform management and conservation action. We use Genotyping by Sequencing (GBS) to investigate genetic patterns in the threatened coral, Acropora cervicornis, across the Florida Reef Tract (FRT) and the western Caribbean. Results show extensive population structure at regional scales and resolve previously unknown structure within the FRT. Different regions also exhibit up to threefold differences in genetic diversity (He), suggesting targeted management based on the goals and resources of each population is needed...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28845937/-laparoscopic-pyelolithotomy-for-staghorn-kidney-stones-multi-center-study
#17
MULTICENTER STUDY
A D Kochkin, E A Gallyamov, V L Medvedev, R G Biktimirov, A G Martov, F A Sevryukov, A B Novikov, A E Sanzharov, V P Sergeev
AIM: To analyze the effectiveness and safety of laparoscopic pyelolithotomy (LP) in treating staghorn stones. MATERIALS AND METHODS: A multicentre retrospective analysis of the results of LP performed from January 2004 to December 2016 was conducted. INCLUSION CRITERIA: patients with staghorn calculi K3-K4, who underwent LP as an alternative to percutaneous nephrolithotripsy. The analysis included the incidence and structure of intra- and postoperative complications, the causes of access conversion, operating time, duration of postoperative hospital stay and stone clearance...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28836969/the-application-of-a-novel-integrated-rigid-and-flexible-nephroscope-in-percutaneous-nephrolithotomy-for-renal-staghorn-stones
#18
Huan Yang, Jianxing Li, Gang Long, Shaogang Wang
BACKGROUND: Renal staghorn stones are challenging for urologists to ensure maximum stone clearance and minimal morbidity. Percutaneous nephrolithotomy (PCNL) has become the gold standard treatment for renal staghorn stones. To assess the safety and efficacy of a novel integrated rigid and flexible percutaneous nephroscope(Rigi-flex nephroscope) in PCNL for renal staghorn stones.We present our initial experience with this new technique. METHODS: From March to July 2016, a prospective analysis of 3 patients with staghorn stones treated with Rigi-flex nephroscope in PCNLunder totally ultrasound guidance by paravertebral block (PVB) anesthesia was done...
August 24, 2017: BMC Urology
https://www.readbyqxmd.com/read/28816278/-analysis-of-development-safety-and-efficacy-of-percutaneous-nephrolithotomy-for-management-of-upper-urinary-tract-calculi-in-pediatric-patients
#19
L P Yu, T Xu
OBJECTIVE: To evaluate the development, safety and efficacy of percutaneous nephrolithotomy(PNL) for management of upper urinary tract calculi in pediatric patients. METHODS: In the study, 77 pediatric patients undergoing 87 PNLs through mini or standard tract for upper urinary tract calculi between January 2005 and December 2016 in Peking University People's hospital were reviewed, including 69 renal calculi, 6 upper ureteral calculi, 12 renal and upper ureteral calculi, 35 single calculi, 43 multiple calculi and 9 staghorn calculi...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28794587/predictive-factors-for-fever-and-sepsis-following-percutaneous-nephrolithotomy-a-review-of-580-patients
#20
Sumit Suresh Bansal, Prakash Wamanrao Pawar, Ajit S Sawant, Ashwin Sunil Tamhankar, Sunil Raghunath Patil, Gaurav Vinod Kasat
AIMS: There has been much speculation and discussion about the infective complications of percutaneous nephrolithotomy (PCNL). While fever is common after PCNL, the incidence of it progressing to urosepsis is fortunately less. Which patient undergoing PCNL is at risk of developing urosepsis and in whom aggressive treatment of fever postoperatively may prevent the progression to severe sepsis becomes a very important question. This study aims to answer these vital questions. SETTINGS AND DESIGN: This is a single institutional, retrospective study over a period of 3 years...
July 2017: Urology Annals
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