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https://www.readbyqxmd.com/read/28437674/laparoscopic-approach-to-colo-renal-fistula-with-renal-preservation-and-omentoplasty-a-case-report
#1
Awais Ashfaq, Robert Ferrigni, Nitin Mishra
Colorenal fistula as a result of percutaneous cryoablation has not been extensively reported. We report a gentleman who presented with urosepsis after percutaneous biopsy of a renal mass complicated by colorenal fistula. After failed attempts at conservative management, he underwent laparoscopic resection of his fistula with renal salvage and omentoplasty highlighting that nephrectomy is not always indicated.
April 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28436411/benign-mixed-epithelial-and-stromal-tumor-of-the-kidney-with-inferior-vena-cava-tumor-thrombus-a-rare-case-report-and-review-of%C3%A2-literature
#2
Chi Zhang, Xiaofei Li, Chengqiang Mo, Zhenpeng Peng, Ruilin Yang, Yiming Tang, Yuanyuan Zhang, Rongpei Wu
Mixed epithelial and stromal tumor of the kidney (MESTK) is a rare renal tumor composed of epithelial and stromal cells. In this study, we report a rare case of MESTK, which was pathologically benign but complicated with renal vein and inferior vena cava tumor thrombus. The 50-year-old female patient was admitted to hospital for a mass on the left kidney. Computed tomography showed a 32 mm×18 mm mass with slight delayed enhancement in the left renal sinus, and neoplastic thrombus was detected in left renal vein and inferior vena cava...
April 18, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/28433983/pulmonary-metastasis-from-renal-epithelioid-angiomyolipoma-in-the-setting-of-breast-cancer
#3
Eoin MacCraith, Aoife McCarthy, Niall Swan, David Quinlan
A 68-year-old woman presented with visible haematuria. Ultrasonography and triphasic CT revealed a 2.6 cm mass in the lower pole of the left kidney. A biopsy suggested low-grade renal cell carcinoma. Radical nephrectomy was performed and revealed an epithelioid angiomyolipoma. At year 3, the patient developed ductal carcinoma of the right breast and underwent a wide local excision and sentinel lymph node biopsy followed by chemotherapy and radiotherapy. 4 months later, she was noted to have a 1.6 cm nodule in the middle lobe of her right lung...
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28429549/is-there-a-practical-role-for-a-virtual-bone-biopsy-using-high-resolution-imaging-of-bone-in-patients-with-chronic-kidney-disease
#4
Ashish K Sharma, Nigel D Toussaint
Renal osteodystrophy (ROD) refers to alterations in bone turnover, mineralisation, mass and microarchitecture in patients with chronic kidney disease (CKD) and represents the skeletal component of 'CKD-mineral and bone disorder'. Changes in bone structure lead to impaired bone quality, compromised bone strength and increased susceptibility to fractures with associated significant morbidity, mortality and financial cost. Diagnosis and management of ROD is hindered by the inadequacy of currently available diagnostic methods to interpret the complex pathophysiology...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28415596/renal-mass-biopsy-using-raman-spectroscopy-identifies-malignant-and-benign-renal-tumors-potential-for-pre-operative-diagnosis
#5
Yufei Liu, Zhebin Du, Jin Zhang, Haowen Jiang
The accuracy of renal mass biopsy to diagnose malignancy can be affected by multiple factors. Here, we investigated the feasibility of Raman spectroscopy to distinguish malignant and benign renal tumors using biopsy specimens. Samples were collected from 63 patients who received radical or partial nephrectomy, mass suspicious of cancer and distal parenchyma were obtained from resected kidney using an 18-gauge biopsy needle. Four Raman spectra were obtained for each sample, and Discriminant Analysis was applied for data analysis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411917/comparative-effectiveness-of-surgical-treatments-for-small-renal-masses
#6
REVIEW
Shree Agrawal, Hillary Sedlacek, Simon P Kim
In the management of small renal masses (SRMs), treatment options include partial nephrectomy (PN), radical nephrectomy (RN), ablation, renal biopsy, and active surveillance. Large series retrospective and meta-analyses demonstrate PN may confer greater preservation of renal function, overall survival, and equivalent cancer control when compared with RN. As newer therapies emerge, we should critically evaluate the risks and benefits associated with the surgical management of SRMs among patients with competing comorbidities, complex tumors, and high-risk disease...
May 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/28411912/current-role-of-renal-biopsy-in-urologic-practice
#7
REVIEW
Miki Haifler, Alexander Kutikov
Most small renal masses (SRMs) are indolent. In fact, only approximately 80% of SRMs are malignant. Furthermore, SRMs are commonly detected in elderly and comorbid patients. Therefore, opportunities for better care intensity calibration exist. Renal mass biopsy (RMB), when appropriately used, is a valuable clinical tool to help with critical clinical decision-making in patients with SRM. This article summarizes the role of modern RMB in helping gauge care for patients with SRM.
May 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/28359745/laparoscopic-cryoablation-for-renal-cell-carcinoma-100-month-oncologic-outcomes-caputo-pa-ramirez-d-zargar-h-akca-o-andrade-hs-o-malley-c-remer-em-kaouk-jh-j-urol-2015-oct-194-4-892-896-epub-2015-april-23-doi-10-1016-j-juro-2015-03-128
#8
Max Meng
PURPOSE: With the incidence of renal cell carcinoma on the rise treatment options for the small renal mass have broadened. Cryoablation is increasingly used as a therapeutic option for renal tumors in select cases. However, studies with long-term oncologic outcomes are sparse. We evaluated the long-term oncologic outcomes of laparoscopic renal mass cryoablation. MATERIALS AND METHODS: We reviewed our laparoscopic cryoablation database for patients treated with laparoscopic cryoablation from October 1997 to February 2005...
March 27, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28336816/glomerular-density-and-volume-in-renal-biopsy-specimens-of-children-with-proteinuria-relative-to-preterm-birth-and-gestational-age
#9
Kentaro Koike, Yohei Ikezumi, Nobuo Tsuboi, Go Kanzaki, Kotaro Haruhara, Yusuke Okabayashi, Takaya Sasaki, Makoto Ogura, Akihiko Saitoh, Takashi Yokoo
BACKGROUND AND OBJECTIVES: A low total nephron number, which is associated with low birth weight (LBW), may indicate increased susceptibility to early-onset renal diseases in children. However, few studies have assessed renal biopsy findings in LBW children. We examined the relationship between LBW and glomerular density (GD) and/or glomerular volume (GV) in renal biopsy samples as a surrogate for total nephron number. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Renal biopsy findings of children of LBW were compared with those of age-matched control subjects of normal birth weight (NBW) who were histopathologically diagnosed with FSGS or minimal change nephrotic syndrome (MCNS) from 1995 to 2011...
April 3, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28334518/percutaneous-biopsy-of-the-renal-mass-fna-or-core-needle-biopsy
#10
Chi-Shun Yang, Euna Choi, Muhammad T Idrees, Shaoxiong Chen, Howard H Wu
BACKGROUND: In recent years, there have been increasing indications for percutaneous renal biopsy. Fine-needle aspiration (FNA), with or without core needle biopsy (CB), has been used increasingly in the management of renal tumors at the study institution. METHODS: A computerized search of laboratory records was conducted to retrieve FNA cases of renal masses as well as the correlating CB and/or nephrectomy specimens. The cases spanned a period of 10 years (2006-2015)...
March 23, 2017: Cancer
https://www.readbyqxmd.com/read/28325721/carcinosarcoma-of-the-bladder-following-local-schistosomiasis-infection
#11
Victor Srougi, Fabio P Gallucci, Romulo L Mattedi, Miguel Srougi
A young patient from central Africa presented acute renal insufficiency due to extrinsic compression of the distal ureters by a pelvic mass. After initial medical management, a biopsy revealed poorly differentiated bladder cancer and Schistosoma haematobium eggs embedded in the bladder wall. The initial workup showed evidence of locoregional disease. Radical cystectomy with an incontinent urinary diversion was performed with no complications. Carcinosarcoma of the bladder was diagnosed by pathological analysis of the surgical specimen...
March 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28299630/the-role-of-interventional-radiology-techniques-in-the-management-of-renal-angiomyolipomas
#12
REVIEW
Ryan M Kiefer, S William Stavropoulos
PURPOSE OF REVIEW: Although benign, renal angiomyolipoma (AML) may lead to serious complications without appropriate management. The purpose of this review is to describe the role of and evidence for interventional radiology techniques in the management of patients with AML. RECENT FINDINGS: For patients with renal masses and non-diagnostic imaging studies, image-guided percutaneous biopsy is found to be highly accurate and useful in directing patient management...
May 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28265233/leiomyosarcoma-of-the-renal-vein-analysis-of-outcome-and-prognostic-factors-in-the-world-case-series-of-67-patients
#13
Marko Novak, Andraz Perhavec, Katherine E Maturen, Snezana Pavlovic Djokic, Simona Jereb, Darja Erzen
BACKGROUND: Leiomyosarcoma is a rare malignant mesenchymal tumour. Some cases of leiomyosarcoma of the renal vein (LRV) have been reported in the literature, but no analysis of data and search for prognostic factors have been done so far. The aim of this review was to describe the LRV, to analyse overall survival (OS), local recurrence free survival (LRFS) and distant metastases free survival (DMFS) in LRV world case series and to identify significant predictors of OS, LRFS and DMFS. METHODS: Cases from the literature based on PubMed search and a case from our institution were included...
March 1, 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28263135/a-case-report-of-a-renal-diffuse-b-cell-lymphoma
#14
Raunak D Patel, Colton Walker, Daniel J Canter
Diffuse large B-cell lymphomas (DLBCL) are the most common lymphomas worldwide. They also appear to be the most common primary retroperitoneal lymphomas, but this presentation is relatively uncommon in the literature. Retroperitoneal masses, including lymphomas, often present with nonspecific symptoms and laboratory values, necessitating radiographic assessment and consideration of mass biopsy prior to the initiation of treatment. Here we present a case of a primary retroperitoneal DLBCL as well as a review of the clinical presentation, imaging findings, and differential diagnosis of such tumors...
February 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28255621/irreversible-electroporation-of-small-renal-masses-suboptimal-oncologic-efficacy-in-an-early-series
#15
Noah E Canvasser, Igor Sorokin, Aaron H Lay, Monica S C Morgan, Asim Ozayar, Clayton Trimmer, Jeffrey A Cadeddu
PURPOSE: To report on the first short-term oncologic outcomes of percutaneous irreversible electroporation for small renal masses. METHODS: Patients with cT1a renal masses treated with irreversible electroporation from April 2013 through December 2016 were reviewed. Small, low complexity tumors were generally selected for irreversible electroporation using the NanoKnife(®) System (Angiodynamics, Latham, NY, USA). Surveillance imaging was performed post-operatively, and survival analysis was completed using the Kaplan-Meier method...
March 2, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28251484/update-on-renal-mass-biopsy
#16
REVIEW
Miki Haifler, Alexander Kutikov
Renal masses are diagnosed with an increasing frequency. However, a significant proportion of these masses are benign, and the majority of malignant tumors are biologically indolent. Furthermore, renal tumors are often harbored by the elderly and comorbid patients. As such, matching of renal tumor biology to appropriate treatment intensity is an urgent clinical need. Renal mass biopsy is currently a very useful clinical tool that can assist with critical clinical decision-making in patients with renal mass...
April 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28242092/-cutaneous-involvement-in-t-lymphoblastic-lymphoma
#17
C Nascimbeni, S Chantepie, C Brugiere, F Comoz, V Salaun, L Verneuil
BACKGROUND: Lymphoblastic lymphoma (LBL) is a rare form of non-Hodgkin's lymphoma (NHL). Cutaneous LBL is seen in less than 20% of patients. PATIENTS AND METHODS: Herein, we report the case of a 66-year-old male patient without any previous disease history of note and who was presenting a gradually spreading tumoral lesion of the scalp, several purplish macules and nodules on the trunk, and a single spinal adenopathy. A thoracic-abdominal-pelvic CT scan performed for acute renal failure, revealed extensive infiltration of retroperitoneal tissue...
February 24, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28237283/ablative-therapies-for-renal-tumors-patient-selection-treatment-planning-and-follow-up
#18
Jean-Michel Correas, Christophe Delavaud, Jules Gregory, Thomas Le Guilchet, Lionel Lamhaut, Marc-Olivier Timsit, Arnaud Méjean, Olivier Hélénon
The increased use of abdominal imaging has led to a major increase in small renal tumors incidence particularly in the elderly population. Their management is evolving with the development of percutaneous ablation, particularly radiofrequency ablation, cryoablation, and microwave ablation. The typical indications that must be validated by a multidisciplinary committee include solid tumors less than 3cm in patients with multiple comorbidity factors (including age), contraindications to surgery, hereditary renal cancer, bilateral renal tumors, solitary kidney, pre-existing chronic kidney disease, or at high risk of predialysis renal function after partial nephrectomy...
February 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/28237282/the-current-role-of-biopsy-in-the-diagnosis-of-renal-tumors
#19
Nicole Curci, Elaine M Caoili
The role of percutaneous renal mass biopsy has continued to grow in the last decade. The incidence of small (≤4cm) renal masses has increased dramatically over the past 15 years, attributed to increased use of cross-sectional imaging and subsequent discovery of small renal masses that would otherwise go undetected. Despite increased early detection, there has been no change in the mortality rate from renal cell carcinoma over the past 15 years. Many small renal masses are not life-limiting, and imaging lacks specificity in distinguishing malignant from nonmalignant small renal masses...
February 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/28237280/multiparametric-magnetic-resonance-imaging-of-solid-renal-tumors-a-practical-algorithm
#20
Francois Cornelis, Nicolas Grenier
Although preoperative classification of solid renal tumors was performed by percutaneous biopsy until now, research teams have demonstrated the potential interest of imaging to characterize noninvasively different renal tumor subtypes, in particular, with multiparametric magnetic resonance (MR) imaging. By combining all the imaging MR features successively reported in the literature and following a practical algorithm based on a step-by-step reading of the MR images, readers are now able to identify several imaging profiles, which appeared specific of each renal tumor subtypes...
February 2017: Seminars in Ultrasound, CT, and MR
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