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Kidney anatomy

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https://www.readbyqxmd.com/read/28532911/lateral-transpsoas-approach-to-the-lumbar-spine-and-relationship-of-the-ureter-anatomical-study-with-application-to-minimizing-complications
#1
Vlad Voin, Christina Kirkpatrick, Fernando Alonso, Tarush Rastugi, Filipe H Sanders, Doniel Drazin, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: Complications from lateral lumbar interbody fusion procedures range from neurological deficits to organs and blood vessel to injuries. Injury to the ureter has been reported though uncommon. The present study was performed to elucidate the anatomical relationship of the ureter to this surgical approach. METHODS: Eight adult cadavers (16 sides) were placed in the full lateral position and the distal ureter cannulated with a metal wire, which was passed up to the kidney...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28520334/kidney-anatomy-three-dimensional-3d-printed-pelvicalyceal-system-models-of-the-collector-system-improve-the-diagnosis-and-treatment-of-stone-disease
#2
EDITORIAL
Luciano A Favorito
No abstract text is available yet for this article.
May 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28500739/feasibility-and-safety-of-transfemoral-sheathless-portico-aortic-valve-implantation-preliminary-results-in-a-single-center-experience
#3
Maurizio Taramasso, Andrea Denegri, Shingo Kuwata, Hans Rickli, Philipp K Haager, Gabor Sütsch, Hector Rodriguez Cetina Biefer, Jan Kottwitz, Fabian Nietlispach, Francesco Maisano
BACKGROUND: Feasibility of transfemoral (TF) transcathteter aortic valve replacement (TAVR) is limited by the smallest diameter, the calcification and tortuosity of the iliofemoral access vessels. The use of the Portico system without delivery sheath results in significantly lower profile delivery system compared to standard technique. We herein report our single center experience, feasibility and safety of such an approach. METHODS: The Portico valve was implanted sheathless in 81 high-risk patients with severe aortic stenosis utilizing percutaneous femoral access...
May 13, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28479470/third-vs-second-generation-stent-graft-for-endovascular-aneurysm-repair-a-device-specific-analysis
#4
Marco Bergonti, Giovanni Teruzzi, Giulia Santagostino, Luca Grancini, Cristina Ferrari, Daniela Trabattoni, Alessandro Lualdi, Antonio Bartorelli
PURPOSE: to analyze outcomes of Endovascular Aneurysm Repair (EVAR) in patients treated with Excluder endograft (W.L. Gore and Associate, Flagstaff, AZ), comparing 2(nd) generation featuring SIM-PULL delivery system (ExSP), and 3(rd) generation, featuring C3 (ExC3), concerning intra-procedural data and long-term outcomes. METHODS: In our single-center, comparative study, we retrospectively analyzed all patients undergoing elective EVAR with Excluder from May 2008 to December 2015...
May 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28469310/a-single-left-renal-vein-draining-into-the-common-iliac-vein
#5
Awad Bakhit Kaabneh, Sizeph Edward Haddad, Feras Ahmad Hammouri, Abdalla Yosef Omari, Mohammad K Abdadayem
Several variations of the anatomy of the left renal vein have been reported. Rare variants are frequently overlooked in the preoperative assessment but can lead to complications during surgery. We describe a kidney donor with a rare anomaly of a single main left renal vein draining into the left common iliac vein.
April 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28466969/microscopic-anatomy-of-the-visceral-fasciae
#6
Carla Stecco, Maria Martina Sfriso, Andrea Porzionato, Anna Rambaldo, Giovanna Albertin, Veronica Macchi, Raffaele De Caro
The term 'visceral fascia' is a general term used to describe the fascia lying immediately beneath the mesothelium of the serosa, together with that immediately surrounding the viscera, but there are many types of visceral fasciae. The aim of this paper was to identify the features they have in common and their specialisations. The visceral fascia of the abdomen (corresponding to the connective tissue lying immediately beneath the mesothelium of the parietal peritoneum), thorax (corresponding to the connective tissue lying immediately beneath the mesothelium of the parietal pleura), lung (corresponding to the connective tissue under the mesothelium of the visceral pleura), liver (corresponding to the connective tissue under the mesothelium of the visceral peritoneum), kidney (corresponding to the Gerota fascia), the oesophagus (corresponding to its adventitia) and heart (corresponding to the fibrous layer of the pericardial sac) from eight fresh cadavers were sampled and analysed with histological and immunohistochemical stains to evaluate collagen and elastic components and innervation...
May 3, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28456638/-polycystic-kidney-disease-an-analysis-of-e-patients-exchanges-in-the-public-blogosphere
#7
Corinne Lagrafeuil, Mélanie Hueber, Xavier Magnien, Thierry Baroghel, Laurent Lecardeur, Thierry Marquet
The goal this study was to understand the preoccupations of e-patients with Autosomal Dominant Polycystic Kidney Disease (ADPKD), through their discussions on social networks, and to compare them with those of members of a specialized association. We collected and analyzed all messages containing an unequivocal expression of the pathology (polycystic kidney disease, PKD, ADPKD, etc.) available on public forums on the French Internet and all french-language messages posted on the forum of the patient group Association Polykystose-France (PKD-France) during 2 years...
April 26, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28431859/mri-based-quantification-of-renal-perfusion-in-mice-improving-sensitivity-and-stability-in-fair-asl
#8
Fabian Tobias Gutjahr, Stephan Michael Günster, Thomas Kampf, Patrick Winter, Volker Herold, Wolfgang Rudolf Bauer, Peter Michael Jakob
PURPOSE: The importance of the orientation of the selective inversion slice in relation to the anatomy in flow-sensitive alternating inversion recovery arterial spin labeling (FAIR ASL) kidney perfusion measurements is demonstrated by comparing the standard FAIR scheme to a scheme with an improved slice selective control experiment. METHODS: A FAIR ASL method is used. The selective inversion preparation slice is set perpendicular to the measurement slice to decrease the unintended labeling of arterial spins in the control experiment...
April 18, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28394085/dual-echo-epi-sequence-for-integrated-distortion-correction-in-3d-time-resolved-hyperpolarized-13-c-mri
#9
Benjamin J Geraghty, Justin Y C Lau, Albert P Chen, Charles H Cunningham
PURPOSE: To provide built-in off-resonance correction in time-resolved, volumetric hyperpolarized (13) C metabolic imaging by implementing a novel dual-echo 3D echo-planar imaging (EPI) sequence and reconstruction. METHODS: A spectral-spatial pulse for single-resonance excitation followed by a dual-echo 3D EPI readout was implemented to provide 64 × 8 × 6 cm(3) coverage at 5 × 5 × 5 mm(3) nominal resolution. Multiple sources of EPI distortions were encoded using a multi-echo (1) H EPI reference scan...
April 10, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28377138/daily-ct-guidance-improves-target-coverage-during-definitive-radiation-therapy-for-gastric-malt-lymphoma
#10
He Wang, Sarah A Milgrom, Bouthaina S Dabaja, Grace L Smith, Mary Martel, Chelsea C Pinnix
PURPOSE: Radiation therapy (RT) for gastric mucosa-associated lymphoid tissue (MALT) lymphoma is challenging because of variation in the stomach's position, size, and shape. We investigated the interfractional changes in stomach location, consequent dosimetric effects, and impact of daily computed tomography image guidance RT (CT-IGRT). METHODS AND MATERIALS: Twelve patients treated for gastric MALT lymphoma with intensity modulated radiation therapy, using a breath-hold technique and restriction of oral intake, were studied retrospectively...
March 6, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28374154/procedural-reassessment-of-radiofrequency-renal-denervation-in-resistant-hypertensive-patients
#11
Franco Rabbia, Elisa Testa, Chiara Fulcheri, Elena Berra, Silvia Di Monaco, Michele Covella, Marco Pappaccogli, Silvia Monticone, Renato Rosiello, Denis Rossato, Franco Veglio
INTRODUCTION: Recent anatomical and clinical studies have led to the hypothesis that in several cases of failure of response to renal denervation (RDN), the procedure has not been technically correct. AIM: To perform procedural reassessment in patients with true resistant hypertension who underwent RDN. METHODS: We retrospectively reassessed the procedural technique of RDN in 10 true resistant hypertensive patients, comparing the sites of renal ablations with the knowledge of animal and human post mortem evidences...
April 3, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28359409/surgical-management-of-urinary-stones-with-abnormal-kidney-anatomy
#12
Giray Ergin, Mustafa Kirac, Ali Unsal, Burak Kopru, Mustafa Yordam, Hasan Biri
In spite of the fact that urologic surgical techniques used by urologists are becoming more and more minimally invasive and easier because of developing technologies, surgical approaches for the urinary stones in kidneys with abnormal anatomy are still confusing. The objective of this article is to determine the treatment options in these kidneys. For this purpose, between 2005 and 2015, we retrospectively evaluated patients operated for urolithiasis with various congenital renal anomalies in five referral urology clinics in our country...
April 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28345835/evolution-of-the-histo-epidemiological-profile-of-urological-cancers-in-togo
#13
Tchin Darré, Koué Folligan, Tchilabalo Matchonna Kpatcha, Kokou Kanassoua, Edoe Sewa, Sassil Daré, Kodjo Tengue, Koffi Amégbor, Gado Napo Koura
Background: Urological cancers are an important public health issue and pose problems with diagnosis and adequate management in developing countries. Our aim was to determine and report epidemiological and histological features of urological cancers in Togo. Materials and methods: A retrospective descriptive study was conducted of cases of urological cancers observed in the laboratory of pathological anatomy of the CHU Tokoin over the last 4 years (2012-2016). The parameters studied were frequency, age, sex, sites of development and histological type...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28343953/development-and-validation-of-a-novel-and-cost-effective-animal-tissue-model-for-training-transurethral-resection-of-the-prostate
#14
Sichuan Hou, Gillian Ross, Iain Tait, Paul Halliday, Benjie Tang
OBJECTIVES: To develop and validate a new and cost-effective animal tissue training model for practicing resection skills of transurethral resection of the prostate (TURP). METHODS AND MATERIALS: A porcine kidney was prepared and restructured to simulate the relevant anatomy of the human prostate. The restructured prostate was connected to an artificial urethra and bladder. Face, content, and construct validity of the model was carried out using a 5-point Likert scale questionnaire, and comparison in task performance between participants and experts was made using observational clinical human reliability analysis...
March 23, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28340844/anatomic-diversity-encountered-during-laparoscopic-hand-assisted-transperitoneal-donor-nephrectomy-a-case-report-of-complete-caval-duplication
#15
S L Kirecci, M Demir, M Ilgi, M Battal, A I Dokucu, A Unsal
INTRODUCTION: Laparoscopic donor nephrectomy is widely used to retrieve a kidney for transplantation. Preoperative evaluation of the donor is of crucial importance to the recipient. In particular, vascular anatomy should be assessed with the help of modern imaging modalities. We present a hand-assisted laparoscopic nephrectomy of a kidney donor with a complete duplex vena cava. CASE REPORT: A 40-year-old male patient was admitted to our clinic as a kidney donor for his 20-year-old son...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28338309/impact-of-personalized-three-dimensional-3d-printed-pelvicalyceal-system-models-on-patient-information-in-percutaneous-nephrolithotripsy-surgery-a-pilot-study
#16
Hasan Anil Atalay, H Lütfi Canat, Volkan Ülker, İlter Alkan, Ünsal Özkuvanci, Fatih Altunrende
OBJECTIVE: To investigate the impact of personalized three dimensional (3D) printed pelvicalyceal system models on patient information before percutaneous nephrolithotripsy surgery. MATERIAL AND METHODS: Patients with unilateral complex renal stones with indicatation of percutaneous nephrolithotripsy surgery were selected. Usable data of patients were obtained from CT scans as Digital Imaging and Communications in Medicine (DICOM) format. Mimics software version 16...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28332239/clinical-application-of-calculated-split-renal-volume-using-computed-tomography-based-renal-volumetry-after-partial-nephrectomy-correlation-with-technetium-99m-dimercaptosuccinic-acid-renal-scan-data
#17
Chan Ho Lee, Young Joo Park, Ja Yoon Ku, Hong Koo Ha
OBJECTIVE: To evaluate the clinical application of computed tomography-based measurement of renal cortical volume and split renal volume as a single tool to assess the anatomy and renal function in patients with renal tumors before and after partial nephrectomy, and to compare the findings with technetium-99m dimercaptosuccinic acid renal scan. METHODS: The data of 51 patients with a unilateral renal tumor managed by partial nephrectomy were retrospectively analyzed...
March 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28317122/an-anthropomorphic-abdominal-phantom-for-deformable-image-registration-accuracy-validation-in-adaptive-radiation-therapy
#18
Yuliang Liao, Linjing Wang, Xiangdong Xu, Haibin Chen, Jiawei Chen, Guoqian Zhang, Huaiyu Lei, Ruihao Wang, Shuxu Zhang, Xuejun Gu, Xin Zhen, Linghong Zhou
PURPOSE: To design and construct a three-dimensional (3D) anthropomorphic abdominal phantom for geometric accuracy and dose summation accuracy evaluations of deformable image registration (DIR) algorithms for adaptive radiation therapy (ART). METHOD: Organ molds, including liver, kidney, spleen, stomach, vertebra and two metastasis tumors, were 3D printed using contours from an ovarian cancer patient. The organ molds were molded with deformable gels made of different mixtures of polyvinyl chloride (PVC) and the softener dioctyl terephthalate...
March 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28315152/bilateral-robotic-transabdominal-adrenalectomy-in-a-patient-with-intestinal-malrotation
#19
Zuliang Feng, Carmen C Solórzano
Bilateral adrenalectomy is the preferred surgical approach for patients with failed treatments for pituitary-based Cushing's syndrome. Intestinal malrotation (IM) is a rare congenital anatomic variant that rarely affects adults. The abnormal abdominal anatomy is concerning to surgeons planning elective procedures in such patients. Here, we describe a bilateral robotic transabdominal adrenalectomy (RTA) in a patient with IM. A 29-year-old female presented with refractory pituitary-based Cushing's syndrome and was found to have IM on preoperative CT scan...
March 17, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28303335/treatment-selection-for-urolithiasis-percutaneous-nephrolithomy-ureteroscopy-shock-wave-lithotripsy-and-active-monitoring
#20
Mahesh Desai, Yinghao Sun, Noor Buchholz, Andrew Fuller, Tadashi Matsuda, Brian Matlaga, Nicole Miller, Damien Bolton, Mohammad Alomar, Arvind Ganpule
Urolithiasis is a significant worldwide source of morbidity, constituting a common urological disease that affects between 10 and 15% of the world population. Recent technological and surgical advances have replaced the need for open surgery with less invasive procedures. The factors which determine the indications for percutaneous nephrolithotomy include stone factors (stone size, stone composition, and stone location), patient factors (habitus and renal anomalies), and failure of other treatment modalities (ESWL and flexible ureteroscopy)...
March 16, 2017: World Journal of Urology
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