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https://www.readbyqxmd.com/read/28728101/a-rising-transpedicular-access-to-anterior-vertebral-body-a-case-report
#1
Emanuele Ciurlia, Gianfilippo Caggiari, Mario Spina, Matteo Andreozzi, Leonardo Puddu, Carlo Doria
INTRODUCTION: The transpedicular access is a common and effective procedure used to reach anterior vertebral body without passing through critical structures. after a transpedicular instrumentation, it is difficult to reach the anterior vertebral body because screws are placed in the way. We assume that an innovative transdiscal route could be used in patients with previous instrumentation, in order to perform a vertebroplasty or biopsy. PRESENTATION OF CASE: We report the case of a 65-years-old woman who came to our Department complaining low back pain...
July 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28725590/mri-fusion-biopsy-the-contemporary-experience
#2
REVIEW
Marc A Bjurlin, Andrew B Rosenkrantz, Samir S Taneja
Advancements in magnetic resonance imaging (MRI) and MRI-ultrasound (US)-fusion targeted biopsy have resulted in a paradigm shift in the diagnosis of prostate cancer by overcoming the limitations of systematic biopsy. Prebiopsy MRI and MRI-US-fusion biopsy results in an increased detection of clinically significant disease, reduction in the detection of indolent disease, and allows for tumor localization during targeted biopsy. With these advantages, we have adopted a prebiopsy MRI and MRI-US-fusion biopsy diagnostic care pathway for all men at risk for prostate cancer and have performed more than 1900 biopsies to date...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725589/multi-parametric-magnetic-resonance-imaging-as-a-management-decision-tool
#3
REVIEW
David C Johnson, Robert E Reiter
The ability to image the prostate accurately and better characterize cancerous lesions makes multiparametric magnetic resonance imaging (mpMRI) an invaluable tool to improve management of localized prostate cancer (PCa). Improved risk stratification is warranted given the evidence of significant overtreatment of indolent PCa. mpMRI can more accurately rule out clinically significant PCa in men deciding between surveillance and definitive treatment to reduce overtreatment. mpMRI improves detection of clinically significant PCa, which helps minimize sampling error, a major limitation of the traditional diagnostic paradigm...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725587/multi-parametric-mri-imaging-of-the-prostate-implications-for-focal-therapy
#4
REVIEW
James S Wysock, Herbert Lepor
The primary goal of a focal therapy treatment paradigm is to achieve cancer control through targeted tissue destruction while simultaneously limiting deleterious effects on peri-prostatic structures. Focal therapy approaches are employed in several oncologic treatment protocols, and have been shown to provide equivalent cancer control for malignancies such as breast cancer and renal cell carcinoma. Efforts to develop a focal therapy approach for prostate cancer have been challenged by several concepts including the multifocal nature of the disease and limited capability of prostate ultrasound and systematic biopsy to reliably localize the site(s) and aggressiveness of disease...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725585/a-critical-comparison-of-techniques-for-mri-targeted-biopsy-of-the-prostate
#5
REVIEW
Francesco Giganti, Caroline M Moore
MRI-targeted biopsy is a promising technique that offers an improved detection of clinically significant prostate cancer over standard non-targeted biopsy. It is established that prostate MRI is of use in both the primary and repeat biopsy setting for the detection of significant prostate cancer. There are three approaches to targeting biopsies to areas of interest seen on prostate MRI. They each rely on the acquisition and reporting of a diagnostic quality multi-parametric MRI scan used to identify areas of interest, and the subsequent use of those diagnostic quality images in combination with real-time images of the prostate during the biopsy procedure...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725584/magnetic-resonance-imaging-detection-of-prostate-cancer-in-men-with-previous-negative-prostate-biopsy
#6
REVIEW
Matthew Truong, Thomas P Frye
Use of transrectal ultrasound guided systematic prostate biopsy has poor diagnostic accuracy for prostate cancer (PCa) detection. Recently multiparametric MRI (mpMRI) of the prostate and MR/US fusion biopsy has been gaining popularity for men who have previously undergone a negative biopsy. We performed PubMed(®) and Web of Science(®) searches to identify studies on this subject, particularly focusing on studies consisting of patients who have had at least one previously negative biopsy. Across the literature, when a suspicious lesion is found on mpMRI, MR/US fusion biopsy has consistently demonstrated higher detection rate for any PCa and clinically significant PCa (csPCa) compared to the traditional repeat systematic biopsy (SB) approach...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725582/co-registration-of-mri-and-ultrasound-accuracy-of-targeting-based-on-radiology-pathology-correlation
#7
REVIEW
Win Shun Lai, Jessica G Zarzour, Jennifer B Gordetsky, Soroush Rais-Bahrami
We reviewed the role of multiparametric magnetic resonance imaging (MP-MRI) and methods of MRI guided biopsy including in-bore, cognitive fusion, and software-based fusion. MP-MRI has been developed, optimized, and studied as a means of improving prostate cancer detection beyond the standard evaluation that utilizes digital rectal examinations and serum prostate specific antigen (PSA). MP-MRI has been proven to be an excellent diagnostic imaging modality that improves prostate cancer detection and risk stratification by guiding biopsy samples...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725578/transperineal-vs-transrectal-biopsy-in-mri-targeting
#8
REVIEW
Jeremy Grummet, Lana Pepdjonovic, Sean Huang, Elliot Anderson, Boris Hadaschik
Prostate biopsy is typically performed via either the transrectal or transperineal approach. MRI-targeted biopsy, whether using any of the three options of cognitive fusion, MRI-ultrasound fusion software, or in-bore MRI-guided biopsy, can also be performed via either transrectal or transperineal approaches. As an extension of traditional random prostate biopsy, the transrectal approach is far more commonly used for MRI-targeted biopsy due to its convenience. However, in the context of today's increasing multi-drug resistance of rectal flora, the transperineal approach is being used more often due to its lack of septic complications...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28724787/disrupted-apical-exocytosis-of-cargo-vesicles-causes-enteropathy-in-fhl5-patients-with-munc18-2-mutations
#9
Georg F Vogel, Jorik M van Rijn, Iris M Krainer, Andreas R Janecke, Carsten Posovzsky, Marta Cohen, Claire Searle, Prevost Jantchou, Johanna C Escher, Natalie Patey, Ernest Cutz, Thomas Müller, Sabine Middendorp, Michael W Hess, Lukas A Huber
Familial hemophagocytic lymphohistiocytosis 5 (FHL5) is an autosomal recessive disease caused by mutations in STXBP2, coding for Munc18-2, which is required for SNARE-mediated membrane fusion. FHL5 causes hematologic and gastrointestinal symptoms characterized by chronic enteropathy that is reminiscent of microvillus inclusion disease (MVID). However, the molecular pathophysiology of FHL5-associated diarrhea is poorly understood. Five FHL5 patients, including four previously unreported patients, were studied...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28723513/the-natural-history-and-outcome-predictors-of-metastatic-castration-resistant-prostate-cancer
#10
REVIEW
Robert J van Soest, Jason A Efstathiou, Cora N Sternberg, Bertand Tombal
CONTEXT: Biomarkers for the treatment of metastatic castration-resistant prostate cancer (mCRPC) are urgently needed by clinicians to facilitate treatment decisions. OBJECTIVE: To review current prognostic and predictive biomarkers in mCRPC. EVIDENCE ACQUISITION: We performed a nonsystematic review of the literature from 2004 to August 2016 by searching in Medline. Cross-matching references were used to search for additional articles. We reviewed clinical research and review articles written in the English language...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28715042/-diagnostic-significance-of-multiparametric-mri-combined-with-us-fusion-guided-biopsy-of-the-prostate-in-patients-with-increased-psa-levels-and-negative-standard-biopsy-results-to-detect-significant-prostate-cancer-correlation-with-the-gleason-score-korrelation
#11
Manuela Hoffmann, Manuela A Hoffmann, Helmut J Wieler, Frank M Jakobs, Kasra Taymoorian, Arnd Gerhards, Matthias Miederer, Mathias Schreckenberger
AIMS: To increase diagnostic precision and to reduce overtreatment of low-risk malignant disease, multiparametric MRI (mpMRI) combined with ultrasound (US) fusion guided biopsy of the prostate were performed. METHODS: In 99 male patients with increased PSA plasma levels and previous negative standard biopsy procedures, mpMRI was carried out followed by US fusion guided perineal biopsy. PI-RADS-Data (PS) of mpMRI and histopathological Gleason score (GS) were categorized and statistically compared...
July 17, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/28709889/dynamic-contrast-enhanced-mri-improves-classification-of-prostate-lesions-a-study-of-pathologic-outcomes-on-targeted-prostate-biopsy
#12
Sasha C Druskin, Ryan Ward, Andrei S Purysko, Allen Young, Jeffrey J Tosoian, Kamyar Ghabili, Darian Andreas, Eric Klein, Ashley E Ross, Katarzyna J Macura
PURPOSE: PIRADSv2 stipulates that dynamic-contrast-enhanced-imaging (DCE) be used to classify diffusion-weighted-imaging (DWI) score 3 (DWI3) peripheral-zone (PZ) lesions as PIRADS score 3 (PIRADS3; DCE-) or PIRADS4 (DCE+). However, it is unknown if DCE separates lesions into clinically-meaningful pathologic groups. We examined whether use of DCE improves detection of clinically-significant cancer. MATERIALS & METHODS: We identified patients without a prior diagnosis of prostate cancer undergoing multiparametric-MRI-transrectal-ultrasound fusion targeted-biopsy of PZ DWI3 or DWI4 lesions...
July 11, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28705993/effects-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-hmb-on-skeletal-muscle-mitochondrial-content-and-dynamics-and-lipids-after-10-days-of-bed-rest-in-older-adults
#13
Robert A Standley, Giovanna Distefano, Suzette L Pereira, Min Tian, Owen J Kelly, Paul M Coen, Nicolaas E P Deutz, Robert R Wolfe, Bret H Goodpaster
Loss of muscle mass during periods of disuse likely has negative health consequences for older adults. We have previously shown that β-hydroxy-β-methylbutyrate (HMB) supplementation during 10 days of strict bed rest (BR) attenuates the loss of lean mass in older adults. To elucidate potential molecular mechanisms of HMB effects on muscle during bed rest and resistance training rehabilitation (RT), we examined mediators of skeletal muscle mitochondrial dynamics, autophagy and atrophy, and intramyocellular lipids...
July 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28705708/perineural-invasion-by-prostate-cancer-on-mr-us-fusion-targeted-biopsy-is-associated-with-extraprostatic-extension-and-early-biochemical-recurrence-after-radical-prostatectomy
#14
Matthew Truong, Soroush Rais-Bahrami, Jeffrey W Nix, Edward M Messing, Hiroshi Miyamoto, Jennifer B Gordetsky
In recent years, multiparametric magnetic resonance imaging (MRI) and MR/ultrasound (US) fusion targeted biopsy (TB) have become more widely adopted to aid in prostate cancer (PCa) detection. Previously, TB has been found to increase the yield of clinically significant PCa and is more likely to sample the index tumor compared to traditional 12-core extended sextant biopsies. Currently the prognostic significance of perineural invasion (PNI) when identified on TB (PNI-TB) is unknown. We identified 95 men at two tertiary referral centers who underwent TB followed by radical prostatectomy between January 2014 and January 2017...
July 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28705064/validation-of-prostate-imaging-reporting-and-data-system-version-2-using-an-mri-ultrasound-fusion-biopsy-in-prostate-cancer-diagnosis
#15
See Hyung Kim, Mi Sun Choi, Mi Jung Kim, Young Hwan Kim, Seung Hyun Cho
OBJECTIVE: The purpose of our study was to prospectively assess Prostate Imaging Reporting and Data System (PI-RADS) version 2 using an MRI-ultrasound fusion biopsy. SUBJECTS AND METHODS: This study included 295 consecutive patients with 478 lesions who underwent multiparametric MRI and subsequent MRI-ultrasound fusion biopsy between December 2014 and September 2016. Lesions were assessed by using an overall score of PI-RADS version 2. One radiologist assessed the presence or absence of clinically significant prostate cancer in the whole gland and in subgroups of the peripheral zone and transition zone by using cutoff values of ≥ 4 and ≥ 3...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28694635/symptomatic-vertebral-hemangioma-in-a-young-child
#16
William Martin, Ravi Rajmohan, Muhittin Belirgen
Vertebral hemangiomas (VHs) are the most common benign vertebral neoplasm and typically are asymptomatic, only to be discovered incidentally on imaging from the fourth to fifth decade of life. Seldom do they enlarge to a point of compression, causing pain and focal neurologic deficits. We present the rare case of an 8-year-old female who presented with paraparesis after a fall. Imaging revealed a pathological fracture of the T8 vertebra with retropulsion and spinal cord compression from both fracture and epidural tumor tissue...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28690757/minimal-change-disease-in-horseshoe-kidney
#17
Yosr Chaabouni, Rahma Guesmi, Yosr Hentati, Khaoula Kammoun, Mohamed Ben Hmida, Zeineb Mnif, Tahya Boudawara, Jamil Hachicha
The horseshoe kidney is a frequent urological birth defect. The most frequent complications are urinary tract infections, stones and hydronephrosis. The occurrence of glomerular disease in horseshoe kidney is rare. Therefore, we report the first case of minimal change disease occurring in a patient with horseshoe kidney in literature. A 22-year-old Caucasian man without personal or family medical history admitted to the pneumology department for a pulmonary artery embolism. In presence of a generalized oedema, a biological assessment was performed yielding intense nephrotic syndrome with urine protein excretion 22g/day...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28688023/-pet-ct-and-pet-mri-of-the-prostate-from-18-f-fdg-to-68-ga-psma
#18
REVIEW
K Knorr, M Eiber, T Maurer, H-J Wester, K Scheidhauer
CLINICAL/METHODICAL ISSUE: In the last few years nuclear medical diagnostics have experienced a unprecedented renaissance in the diagnostics of prostate cancer, due to the availability of hybrid imaging with positron emission tomography computed tomography (PET/CT), PET magnetic resonance imaging (PET/MRI) and single photon emission computed tomography (SPECT) CT as well as the development of prostate-specific radiopharmaceuticals. METHODICAL INNOVATIONS: The use of fluorodeoxyglucose (FDG), which has been successfully implemented for many years in PET diagnostics, is only helpful in dedifferentiated tumors due to the biological characteristics of prostate cancer...
July 7, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28687911/incremental-diagnostic-value-of-targeted-biopsy-using-mpmri-trus-fusion-versus-14-fragments-prostatic-biopsy-a-prospective-controlled-study
#19
Guilherme C Mariotti, Priscila M Falsarella, Rodrigo G Garcia, Marcos R G Queiroz, Gustavo C Lemos, Ronaldo H Baroni
OBJECTIVES: To compare the incremental diagnostic value of targeted biopsy using real-time multiparametric magnetic resonance imaging and transrectal ultrasound (mpMRI-TRUS) fusion to conventional 14-cores biopsy. PATIENTS AND METHODS: Uni-institutional, institutional review board (IRB) approved prospective blinded study comparing TRUS-guided random and targeted biopsy using mpMRI-TRUS fusion, in 100 consecutive men. We included men with clinical-laboratorial suspicious for prostate cancer and Likert score ≥ 3 mp-MRI...
July 7, 2017: European Radiology
https://www.readbyqxmd.com/read/28685744/endorectal-fusion-imaging-a-description-of-a-new-technique
#20
Andre Ignee, Yi Dong, Gudrun Schuessler, Ulrich Baum, Christoph F Dietrich
BACKGROUND: Fusion imaging is an accepted method in abdominal imaging allowing a simultaneous display of reference imaging with a live ultrasound (US) investigation. For prostate cancer, promising results have been published for endorectal US (ERUS)-guided biopsy of suspicious lesions in magnetic resonance imaging (MRI). To our knowledge, no other indication for the fusion of ERUS with MRI has been reported so far. METHODS: We report on three patients scheduled for ERUS due to anorectal fistulae after treatment (n = 2) or rectal carcinoma (n = 1), which were scheduled for real-time virtual onography (RVS), a method for the fusion of MRI imaging with US...
July 6, 2017: Endoscopic Ultrasound
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