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renal mass biopsy

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https://www.readbyqxmd.com/read/28929209/upper-urinary-tract-effects-after-irreversible-electroporation-ire-of-human-localised-renal-cell-carcinoma-rcc-in-the-irene-pilot-phase-2a-ablate-and-resect-study
#1
J J Wendler, M Pech, J Köllermann, B Friebe, S Siedentopf, S Blaschke, D Schindele, M Porsch, D Baumunk, J Jürgens, F Fischbach, J Ricke, M Schostak, M Böhm, U B Liehr
PURPOSE: Irreversible electroporation (IRE) is a new potential ablation modality for small renal masses. Animal experiments have shown preservation of the urine-collecting system (UCS). The purpose of this clinical study was to perform the first evaluation and comparison of IRE's effects on the renal UCS by using urinary cytology, magnetic-resonance imaging, and resection histology in men after IRE of pT1a renal-cell carcinoma (RCC). METHODS: Seven patients with biopsy-proven RCC pT1a cN0cM0 underwent IRE in a phase 2a pilot ablate-and-resect study (IRENE trial)...
September 19, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28900880/characterizing-indeterminate-renal-masses-with-molecular-imaging-the-role-of-99m-tc-mibi-spect-ct
#2
REVIEW
Andrew M Reynolds, Kristin Kelly Porter
PURPOSE OF REVIEW: The majority of enhancing renal masses cannot be characterized through imaging as malignant or benign; however, such characterization could save patients from unnecessary surgery and/or biopsy and associated morbidity. Herein, we review the recent literature on the emerging use of (99m)Tc-MIBI SPECT/CT in preoperative differentiation of enhancing renal masses. RECENT FINDINGS: Recent reports have shown that (99m)Tc-MIBI SPECT/CT imaging can differentiate mitochondrial-rich, benign, or indolent renal masses from renal cell carcinoma...
September 12, 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28895562/focal-ablation-therapy-for-renal-cancer-in-the-era-of-active-surveillance-and-minimally-invasive-partial-nephrectomy
#3
REVIEW
Serge Ginzburg, Jeffrey J Tomaszewski, Alexander Kutikov
Partial nephrectomy is the optimal surgical approach in the management of small renal masses (SRMs). Focal ablation therapy has an established role in the modern management of SRMs, especially in elderly patients and those with comorbidities. Percutaneous ablation avoids general anaesthesia and laparoscopic ablation can avoid excessive dissection; hence, these techniques can be suitable for patients who are not ideal surgical candidates. Several ablation modalities exist, of which radiofrequency ablation and cryoablation are most widely applied and for which safety and oncological efficacy approach equivalency to partial nephrectomy...
September 12, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28877071/uncommon-localization-of-extrarenal-xp11-2-translocation-associated-renal-cell-carcinoma-rcc-case-report
#4
Jaudah Ahmed Al-Maghrabi, Mohamad Nidal Khabaz
The World Health Organization has recognized Xp11.2 translocation-associated renal cell carcinoma (RCC) as a distinct neoplasm that arises within the kidney. Although many reports of extrarenal carcinoma may be found in the literature, to the best of our knowledge, Xp11 translocation-associated RCC with intact kidneys has not been documented. This report describes a multilobulated right retroperitoneal soft tissue mass (7.9×5.3×12.6 cm) of a 37-year-old man complaining of abdominal pain in the right side...
September 4, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28856401/applications-of-contrast-enhanced-ultrasound-in-the-kidney
#5
REVIEW
Brittany Kazmierski, Corinne Deurdulian, Hisham Tchelepi, Edward G Grant
Incidental discovery of renal lesions on cross-sectional imaging studies performed for other indications is not uncommon. With the increased reliance on medical imaging, the number of incidentally detected renal lesions has also grown over time. While simple cysts account for the majority of these lesions, the presence of complex features within a cystic lesion, such as septations and solid components, can present a confusing picture. Solid lesions, too, can be indeterminate, and distinguishing between benign solid masses (like lipid-poor angiomyolipomas and oncocytomas) and renal cell carcinoma affects patient management and can prevent unnecessary interventions...
August 30, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28852497/risk-factors-for-bleeding-complications-after-nephrologist-performed-native-renal-biopsy
#6
Jennifer S Lees, Emily P McQuarrie, Natalie Mordi, Colin C Geddes, Jonathan G Fox, Bruce Mackinnon
BACKGROUND: Bleeding is a recognized complication of native percutaneous renal biopsy. This study aimed to describe the incidence of major bleeding after biopsy in a single centre over a 15-year period and examine factors associated with major bleeding. METHODS: We identified consecutive adult patients undergoing ultrasound-guided native renal biopsy in the Glasgow Renal and Transplant Unit from 2000 to 2014. From the electronic patient record, we collected data pertaining to biopsy indication, pre- and post-biopsy laboratory measurements, prescribed medication and diagnosis...
August 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28846943/breast-metastasis-nine-years-after-nephrectomy-for-renal-cell-carcinoma-a-case-report
#7
Takayuki Ishigaki, Satoki Kinoshita, Naoko Shimada, Ryo Miyake, Masaaki Suzuki, Hiroshi Takeyama
INTRODUCTION: The breast is a rare site for metastatic disease. We report a rare case of breast metastasis 9 years after nephrectomy for renal cell carcinoma (RCC) and include a review of the relevant literature. PRESENTATION OF CASE: An 82-year-old woman who developed an RCC underwent left nephrectomy in 2005. In October 2014, computed tomography (CT) revealed a mass of approximately 1cm in the lateral portion of the right breast. Breast ultrasonography (US) revealed a well-circumscribed, hypoechoic mass at the same site...
August 18, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28845941/-ultrasound-guided-percutaneous-cryoablation-of-renal-tumors
#8
D V Enikeev, P V Glybochko, Yu G Alyaev, L M Rapoport, A V Amosov, T M Alekseeva, M E Enikeev, D G Tsarichenko, D V Chinenov, L D Kozmin, Z K Dzhalaev, M S Taratkin
INTRODUCTION: Surgery remains the gold-standard curative treatment for localized (T1) renal carcinoma. However, recent medical-technological advances have led to the development of new minimally invasive treatment options, one of which is percutaneous cryoablation. AIM: To assess the effectiveness and safety of ultrasound-guided percutaneous cryoablation of renal tumors. MATERIALS AND METHODS: The study comprised 12 patients aged 52 to 76 years who underwent ultrasound-guided percutaneous cryoablation of renal tumors from 2015 to 2017...
July 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28844831/percutaneous-cryoablation-of-renal-tumors-is-it-time-for-a-new-paradigm%C3%A2-shift
#9
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/28844612/percutaneous-image-guided-biopsies-of-small-renal-tumors-current-practice-and-perspectives
#10
REVIEW
C Marcelin, D Ambrosetti, J C Bernhard, C Roy, N Grenier, F H Cornelis
Percutaneous image-guided biopsies help better select patients with renal tumors smaller than 4cm. These biopsies are performed to reduce the risks of overtreatment and to discriminate between patients who need ablation therapy and those who require active surveillance. Percutaneous image-guided biopsies are effective for a definitive diagnosis with little risk of complications when cautions are observed. With the current addition of multiparametric imaging, standardized biopsy protocols may further help adapt therapeutic decisions...
September 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28834287/partial-nephrectomy-margin-imaging-using-structured-illumination-microscopy
#11
Mei Wang, David B Tulman, Andrew B Sholl, Sree H Mandava, Michael M Maddox, Benjamin R Lee, J Quincy Brown
Partial nephrectomy (PN) is the recommended procedure over radical nephrectomy (RN) for patients with renal masses < 4 cm in diameter (Stage T1a). Patients with > 4 cm renal masses can also be treated with PN, but have a higher risk for positive surgical margins. Positive surgical margins (PSM), when present, are indicative of poor clinical outcomes. The current gold-standard histopathology method is not well-suited for the identification of PSM intra-operatively due to processing time and destructive nature...
August 21, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28826635/biopsy-of-small-renal-masses-should-be-routinely-performed-before-deciding-treatment-pro
#12
J Stuart Wolf
No abstract text is available yet for this article.
August 18, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28826634/biopsy-of-small-renal-masses-should-be-routinely-performed-before-deciding-treatment-con
#13
Jonathan A Coleman
No abstract text is available yet for this article.
August 18, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817872/re-office-based-ultrasound-guided-renal-core-biopsy-is-safe-and-efficacious-in-the-management-of-small-renal-masses
#14
David S Wang
No abstract text is available yet for this article.
September 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817218/bmi-nephroangiosclerosis-and-glomerulonephritis-is-there-any-meeting-point
#15
Antonietta Gigante, Konstantinos Giannakakis, Francesca Di Mario, Biagio Barbano, Edoardo Rosato, Riccardo Pofi, Marcello Di Paolo, Anna Rachele Rocca, Rosario Cianci
BACKGROUND: Overweight has been related to renal arteriolosclerosis and is able to modify intrarenal hemodynamics. Increasing evidences suggest an association between weight excess and primary glomerulonephritis (GN). The aim of this study was to evaluate the relationship between nutritional status and intrarenal arterial stiffness in primary GN associated to arteriolosclerosis. We have considered the glomerular diameter (GD) as morphological parameter in overweight and obese patients...
August 17, 2017: Nephrology
https://www.readbyqxmd.com/read/28816279/-ureteroscope-can-assist-risk-stratification-in-upper-tract-urothelial-carcinoma
#16
R Z Ma, M Qiu, W He, B Yang, H Z Xia, D Zou, M Lu, L L Ma, J Lu
OBJECTIVE: To analyze the efficiency of ureteroscope and biopsy in the diagnosis of tumor grade, muscle-invasiveness and multifocality in suspected upper tract urinary carcinoma (UTUC) patients in order to find out whether it can be used in the risk stratification of UTUC patients. METHODS: A retrospective study of 76 UTUC patients who underwent preoperative ureteroscope and/or biopsy and received radical nephroureterectomy in Peking University Third Hospital during January 2014 to December 2016 was undertaken...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816276/-percutaneous-biopsy-of-the-renal-masses-under-ultrasound-a-single-center-14-years-experience
#17
Y X Zhang, X B Meng, L Yao, C J Zhang, G Song, L Cai, Z Zhang, X S Li, K Gong, S Q Li, G Z Shan, Q He, X Y Yang, Z S He, L Q Zhou
OBJECTIVE: To assess the diagnostic rate, safety and clinical application of percutaneous renal masses biopsy for advanced renal cell carcinoma patients. METHODS: In this retrospective study, we collected the data of renal masses from the patients who underwent renal masses biopsy under ultrasound from April 2001 to December 2014 in Peking University First Hospital. A total of 75 patients who were undiagnosed or diagnosed with advanced renal cell carcinoma by the imageological method were enrolled in this study...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28814945/glomerular-abundance-of-complement-proteins-characterized-by-proteomic-analysis-of-laser-captured-microdissected-glomeruli-associates-with-progressive-disease-in-iga-nephropathy
#18
Teodora Ioana Flavia Paunas, Kenneth Finne, Sabine Leh, Hans-Peter Marti, Tom Eirik Mollnes, Frode Berven, Bjørn Egil Vikse
BACKGROUND: The clinical course of IgA nephropathy (IgAN) is variable and complement activation may predict prognosis. The present study investigated whether glomerular abundance of complement proteins associates with progression to end-stage renal disease (ESRD) in patients for whom prognosis could not be predicted based on clinical variables. METHODS: Based on data from the Norwegian Kidney Biopsy Registry and the Norwegian Renal Registry, three groups were included: IgAN patients with (n = 9) or without (n = 16) progression to ESRD during 10 years, and controls (n = 15) with a normal kidney biopsy...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28810311/-retrospective-analysis-of-13-cases-of-nocardiosis
#19
H Q Yang, H Z Shi, Z H Tong
Objective: To evaluate the clinical features, chest radiological manifestations, microbiological examination and treatments of nocardial disease. Methods: A retrospective study was conducted to analyze the data of patients with nocardial infection admitted to Beijing Chaoyang Hospital from January 2010 to January 2016. Results: The 13 patients, 6 males and 7 females, aged (51±17) years. Twelve cases were diagnosed with pulmonary nocardiosis, and 1 with disseminated nocardial infection. Most of these patients had complications: autoimmune diseases in 3 (2 with autoimmune hemolytic anemia and 1 with systemic lupus erythematosus), and bronchiectasis in 6 patients...
August 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28802308/vitreous-amyloidosis-with-autonomic-neuropathy-of-the-digestive-tract-associated-with-a-novel-transthyretin-p-gly87arg-variant-in-a-bangladeshi-patient-a-case-report
#20
Benjamin Terrier, Magali Colombat, Caroline Beugnet, Astrid Quéant, Jonathan London, Jean-Baptiste Daudin, Claire Le Jeunne, Luc Mouthon, Dominique Monnet, Cécile Cauquil, Catherine Lacroix, David Adams, Antoine Brézin, Sophie Valleix
BACKGROUND: Hereditary transthyretin amyloidosis is an autosomal dominant inherited disorder, first described in families with sensorimotor and autonomic neuropathy. Since its first description, more than 120 amyloidogenic transthyretin mutations have been reported with various geographic distributions and associated with a wide range of phenotypes involving the peripheral nerve, the heart, the gastrointestinal tract, the eyes, the central nervous system, or the kidneys. In some cases of transthyretin amyloidosis, the first clinical manifestation is vitreous opacity...
August 13, 2017: Journal of Medical Case Reports
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