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https://www.readbyqxmd.com/read/28844831/percutaneous-cryoablation-of-renal-tumors-is-it-time-for-a-new-paradigm%C3%A2-shift
#1
Hussein D Aoun, Peter J Littrup, Mohamed Jaber, Fatima Memon, Barbara Adam, Mark Krycia, Matthew Prus, Elisabeth Heath, Edson Pontes
PURPOSE: To retrospectively assess long-term outcomes of percutaneous renal cryoablation, including factors affecting complications and local recurrence rates. MATERIALS AND METHODS: A total of 357 computed tomographic (CT) fluoroscopy-guided percutaneous cryoablation procedures were performed for 382 masses in 302 outpatients; 347 were biopsy-proven renal-cell carcinoma (RCC) or Bosniak category > III masses (n = 28). Benign pathologic conditions (n = 18) or metastatic non-RCC disease (n = 17) were included to analyze procedural complication rate, but recurrence rates, tumor staging, and nephrometry score were limited to RCCs...
August 25, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28755789/minimally-complex-renal-cysts-outcomes-and-ultrasound-evaluation-compared-with-contrast-enhanced-cross-sectional-imaging-bosniak-classification
#2
Marilia Henrique Destefani, Jorge Elias, Annelise Manzano Serra Negra Trazzi, Plinio Prizon Kajiwara, Aila Ferreira de Menezes, Rodolfo Borges Dos Reis, Valdair Francisco Muglia
We correlated contrast-enhanced cross-sectional imaging and outcomes to assess the reproducibility of ultrasonographic criteria for renal minimally complex (MC) cysts. From 2003 to 2015, 143 cysts were described as complex or MC by ultrasound (US). After exclusions, 98 US studies were retrospectively evaluated and compared with computed tomography (CT)/magnetic resonance imaging (MRI). At sonography, 51 were MC cysts and 47 were complexes according to two independent observers. Inter-observer agreement for US was 0...
October 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28678573/is-ultrasound-useful-for-further-evaluation-of-homogeneously-hyperattenuating-renal-lesions-detected-on-ct
#3
Mahadevaswamy Siddaiah, Satheesh Krishna, Matthew D F McInnes, Jeffrey S Quon, Wael M Shabana, Demetri Papadatos, Nicola Schieda
OBJECTIVE: The purpose of this study was to evaluate the ability of ultrasound (US) to characterize hyperattenuating cysts detected as indeterminate hyperattenuating renal lesions on unenhanced and single phase enhanced CT. MATERIALS AND METHODS: A total of 107 consecutive homogeneously hyperattenuating renal lesions underwent gray-scale and Doppler US at our institution between 2010 and 2013. Two radiologists who were unaware of the final diagnosis retrospectively evaluated US images for visibility and diagnosis (simple cyst, intermediate complexity cyst, cystic or solid mass showing internal flow on Doppler US, or indeterminate)...
September 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28663537/algorithm-for-bosniak-2f-cyst-in-kidney-donation
#4
Robert C Minnee, Hendrikus J A N Kimenai, Paul C Verhagen, Jan H von der Thüsen, Roy S Dwarkasing, Jacqueline van de Wetering, Jan N IJzermans
BACKGROUND The Bosniak system for radiological classification of renal cysts offers a tool for surgical decision-making in clinical practice. Although 95% of Bosniak 2F cysts remain benign, a consensus on the management of Bosniak 2F cysts in kidney donation has not been developed. CASE REPORT We present a donor with a Bosniak 2F cyst, who successfully donated her kidney after partial resection of the Bosniak 2F cyst. Postoperative pathology examination of the partially resected cystic wall revealed a multilocular cystic renal cell carcinoma...
June 30, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28545682/percutaneous-microwave-ablation-of-renal-cancers-under-ct-guidance-safety-and-efficacy-with-a-2-year-follow-up
#5
P Chan, S Vélasco, G Vesselle, S Boucebci, G Herpe, B Debaene, P Ingrand, J Irani, J-P Tasu
AIM: To evaluate the safety and efficiency of percutaneous microwave ablation (MWA) of renal cell carcinomas (RCC) carried out under computed tomography (CT) guidance. MATERIALS AND METHODS: A retrospective study was performed on RCC that was either histologically proven or diagnosed at imaging (Bosniak IV cyst) and treated by MWA under general anaesthesia with CT guidance. Indications for percutaneous ablation were based on the American Urological Association recommendations...
September 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28534069/imaging-features-of-papillary-renal-cell-carcinoma-with-cystic-change-dominant-appearance-in-the-era-of-the-2016-who-classification
#6
Yukiko Honda, Keisuke Goto, Yuko Nakamura, Hiroaki Terada, Kazuhiro Sentani, Wataru Yasui, Yohei Sekino, Tetsutaro Hayashi, Jun Teishima, Akio Matsubara, Tomoyo Fuji, Yoko Kaichi, Toru Higaki, Yasutaka Baba, Makoto Iida, Kazuo Awai
PURPOSE: Papillary renal cell carcinoma (P-RCC) typically exhibits a homogeneous, solid hypovascular mass; P-RCC with a cystic appearance is atypical. Tubulocystic RCC (TC-RCC), a newly proposed entity for renal tumors in the 2016 WHO classification, and cystic papillary RCC, may yield similar imaging findings. Therefore, we investigated the incidence of papillary RCC with cystic changes and compared its CT and pathologic features to differentiate between two entities. METHODS: We retrospectively evaluated 26 consecutive patients diagnosed with P-RCC...
July 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28522934/xanthogranulomatous-pyelonephritis-presenting-as-a-type-iv-renal-cyst
#7
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/28484621/the-mountains-of-giants-an-anthropometric-survey-of-male-youths-in-bosnia-and-herzegovina
#8
Pavel Grasgruber, Stevo Popović, Dominik Bokuvka, Ivan Davidović, Sylva Hřebíčková, Pavlína Ingrová, Predrag Potpara, Stipan Prce, Nikola Stračárová
The aim of this anthropometric survey, conducted between 2015 and 2016 in Bosnia and Herzegovina (BiH), was to map local geographical differences in male stature and some other anthropometric characteristics (sitting height, arm span). In addition, to investigate the main environmental factors influencing physical growth, the documented values of height would be compared with available nutritional and socioeconomic statistics. Anthropometric data were collected in 3192 boys aged approximately 18.3 years (17-20 years), from 97 schools in 37 towns...
April 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28479239/renal-mass-and-localized-renal-cancer-aua-guideline
#9
Steven Campbell, Robert G Uzzo, Mohamad E Allaf, Eric B Bass, Jeffrey A Cadeddu, Anthony Chang, Peter E Clark, Brian J Davis, Ithaar H Derweesh, Leo Giambarresi, Debra A Gervais, Susie L Hu, Brian R Lane, Bradley C Leibovich, Philip M Pierorazio
PURPOSE: This AUA Guideline focuses on evaluation/counseling and management of adult patients with clinically localized renal masses suspicious for cancer, including solid-enhancing tumors and Bosniak 3/4 complex-cystic lesions. MATERIALS AND METHODS: Systematic review utilized research from the Agency for Healthcare Research and Quality and additional supplementation by the authors and consultant methodologists. Evidence-based statements were based on body of evidence strength Grade A/B/C (Strong/Moderate/Conditional Recommendations, respectively) with additional statements presented as Clinical Principles or Expert Opinions...
September 2017: Journal of Urology
https://www.readbyqxmd.com/read/28473030/-acute-caesarian-section-due-to-renal-tumour-with-spontaneously-emerged-perirenal-haematoma
#10
Mette Høltzermann, Astrid Helene Livbjerg, Anya Sook Eidhammer
A primipara at term was admitted to the labour ward with spontaneously emerged severe abdominal pain in the right flank and kidney. The patient was not known with any obstetric or urologic conditions. An acute caesarian section was performed due to the pain and pathological results of the cardiotocography, and a healthy child was delivered. During surgery, a haematoma was detected in the retroperitoneal space. A computed tomography (CT) of abdomen showed a Bosniak type IV tumour with surrounding haematoma in the kidney...
April 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28286071/bosniak-classification-for-complex-renal-cysts-reevaluated-a-systematic-review
#11
REVIEW
Ivo G Schoots, Keren Zaccai, Myriam G Hunink, Paul C M S Verhagen
PURPOSE: We systematically evaluated the Bosniak classification system with malignancy rates of each Bosniak category, and assessed the effectiveness related to surgical treatment and oncologic outcome based on recurrence and/or metastasis. MATERIALS AND METHODS: In a systematic review according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement and the QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies) criteria, we selected 39 publications for inclusion in this analysis and categorized them into 1) surgical cohorts-all cysts treated surgically and 2) radiological cohorts-cysts with surgical treatment or radiological followup...
July 2017: Journal of Urology
https://www.readbyqxmd.com/read/28237276/a-practical-approach-to-indeterminate-and-cystic-renal-masses
#12
Olivier Hélénon, Christophe Delavaud, Jonathan Dbjay, Jules Gregory, Najibullah Rasouli, Jean-Michel Correas
Cystic renal masses are a common entity with a wide differential diagnosis encountered by the radiologist in daily practice. Their characterization relies on the Bosniak classification system that has been widely accepted by radiologists and urologists as a pertinent diagnostic and communication tool. It has been designed to separate cystic lesions requiring surgery (categories III and IV) from those that can be ignored and left alone (categories I and II) or followed (category IIF). Utilization of the Bosniak classification requires, first, previous identification of the cystic nature of a renal mass with the exception of very small lesions...
February 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/28164162/management-of-urinoma-formation-after-laparoscopic-cryoablation-of-renal-cyst
#13
Shawn X Li, Lawrence M Dagrosa, Vernon M Pais
Aim: To describe the presentation and management of a urinoma developing as a complication of laparoscopic cryoablation of a Bosniak III renal cyst. Case: A 74-year-old woman presented with acute onset of severe left lower abdominal pain 1 day after a laparoscopic cryoablation of a 3 cm multilobular left cystic renal mass. CT revealed a perinephric fluid collection adjacent to the lower pole of the left kidney with active urinary extravasation seen on retrograde pyelogram, confirming the presence of an urinoma...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28163806/diffusion-weighted-magnetic-resonance-imaging-in-cystic-renal-masses
#14
Fikret Balyemez, Ahmet Aslan, Ibrahim Inan, Ercan Ayaz, Vildan Karagöz, Sıdıka Şeyma Özkanli, Murat Acar
INTRODUCTION: We aimed to introduce the diagnostic value of diffusion-weighted (DWI) magnetic resonance imaging (MRI) for distinguishing benign and malignant renal cystic masses. METHODS: Abdominal DWI-MRIs of patients with Bosniak categories 2F, 3, and 4 cystic renal masses were evaluated retrospectively. Cystic masses were assigned as benign or malignant according to histopathological or followup MRI findings and compared with apparent diffusion coefficient (ADC) values...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28147450/diagnostic-performance-of-contrast-enhanced-ultrasonography-and-magnetic-resonance-imaging-for-the-assessment-of-complex-renal-cysts-a-prospective-study
#15
Guillaume Defortescu, Jean-Nicolas Cornu, Sofiane Béjar, Anthony Giwerc, Françoise Gobet, Claire Werquin, Christian Pfister, François-Xavier Nouhaud
OBJECTIVES: To compare the diagnostic performance of computed tomography, magnetic resonance imaging and contrast enhanced ultrasonography for the assessment of complex renal cysts. METHODS: We carried out a prospective single-center study from January 2012 to December 2013. We included patients with Bosniak category 2F or 3 renal cysts found on computed tomography and reviewed by two expert radiologists. Magnetic resonance imaging and contrast-enhanced ultrasonography were then carried out...
February 1, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28144402/impact-of-contrast-enhanced-ultrasound-in-patients-with-renal-function-impairment
#16
Rossano Girometti, Tiziano Stocca, Elena Serena, Antonio Granata, Michele Bertolotto
AIM: To investigate the role of contrast enhanced ultrasound (CEUS) in evaluating patients with renal function impairment (RFI) showing: (1) acute renal failure (ARF) of suspicious vascular origin; or (2) suspicious renal lesions. METHODS: We retrospectively evaluated patients addressed to CEUS over an eight years period to rule-out vascular causes of ARF (first group of 50 subjects) or assess previously found suspicious renal lesions (second group of 41 subjects with acute or chronic RFI)...
January 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28127787/is-there-a-need-to-modify-the-bosniak-renal-mass-classification-with-the-addition-of-contrast-enhanced-sonography
#17
Richard G Barr
No abstract text is available yet for this article.
May 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28126219/imaging-of-the-pediatric-urinary-system
#18
REVIEW
Ellen M Chung, Karl A Soderlund, Kimberly E Fagen
Recent advances in pediatric urinary tract imaging include development of alternative imaging methods without use of ionizing radiation; evolving understanding of the relationship of urinary tract infection, vesicoureteral reflux, and renal scarring, including the important role of dysfunctional voiding; development of a consensus nomenclature and risk-based classification for fetal and antenatal urinary tract dilation; advances in the understanding of sporadic and inherited renal cystic disease; and a proposed modification of the Bosniak criteria for distinguishing complex renal cysts from cystic renal tumors in children...
March 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28126215/imaging-of-cystic-renal-masses
#19
REVIEW
Nicole M Hindman
This article provides an updated review on the imaging evaluation of cystic renal masses with focus on the Bosniak classification system, discusses current imaging techniques for evaluating these lesions, reviews benign and malignant etiologies of cystic renal masses, describes pitfalls in the evaluation of these lesions, and discusses current and future directions in the management of cystic renal masses.
March 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28099104/morton-a-bosniak-md
#20
Alec J Megibow, Gary M Israel
No abstract text is available yet for this article.
February 2017: Radiology
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