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https://www.readbyqxmd.com/read/27906722/location-and-grade-of-prostate-cancer-diagnosed-by-transperineal-template-guided-mapping-biopsy-after-negative-transrectal-ultrasound-guided-biopsy
#1
Nathan Bittner, Gregory Merrick, Al Taira, Abbey Bennett, Amy Schattel, Wayne Butler, Robert Galbreath, Edward Adamovich
OBJECTIVES: To determine the location and grade of prostate cancer diagnosed by transperineal template-guided mapping (TTMB) after negative transrectal ultrasound-guided (TRUS) biopsy. MATERIALS AND METHODS: This analysis consisted of 1118 consecutive patients who underwent TTMB from January 2005 to August 2015. Eight hundred thirty-five underwent TTMB after at least 1 negative TRUS biopsy and 283 underwent TTMB as the first biopsy procedure. The study population was divided into cohorts based on the number of prior TRUS biopsy sessions (0, 1, 2, and ≥3)...
November 30, 2016: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27882307/metabolic-imaging-in-prostate-cancer-where-we-are
#2
REVIEW
Claudia Testa, Cristian Pultrone, David Neil Manners, Riccardo Schiavina, Raffaele Lodi
In recent years, the development of diagnostic methods based on metabolic imaging has been aimed at improving diagnosis of prostate cancer (PCa) and perhaps at improving therapy. Molecular imaging methods can detect specific biological processes that are different when detected within cancer cells relative to those taking place in surrounding normal tissues. Many methods are sensitive to tissue metabolism; among them, positron emission tomography (PET) and magnetic resonance spectroscopic imaging (MRSI) are widely used in clinical practice and clinical research...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27859637/assessing-clinically-significant-prostate-cancer-diagnostic-properties-of-multiparametric-magnetic-resonance-imaging-compared-to-three-dimensional-transperineal-template-mapping-histopathology
#3
Matvey Tsivian, Rajan T Gupta, Efrat Tsivian, Peter Qi, Melissa H Mendez, Michael R Abern, Kae Jack Tay, Thomas J Polascik
OBJECTIVE: To evaluate the diagnostic properties of multiparametric magnetic resonance imaging in the detection, localization and characterization of prostate cancer using three-dimensional transperineal template mapping biopsy histopathology as the comparator. METHODS: A retrospective analysis of patients undergoing prostate multiparametric magnetic resonance imaging followed by three-dimensional transperineal template mapping biopsy was carried out. For imaging and pathology data, the prostate was divided in octants with the urethra being the midline...
November 8, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/27858090/dramatic-increase-in-the-utilization-of-multiparametric-magnetic-resonance-imaging-for-detection-and-management-of-prostate-cancer
#4
Daniel T Oberlin, David D Casalino, Frank H Miller, Joshua J Meeks
PURPOSE: Multiparametric MRI (mpMRI) of the prostate is an evolving technology that provides functional information of the prostate that helps distinguish benign from malignant lesions. We hypothesized that mpMRI is rapidly adopted in the US to fill the unmet need for a non-invasive, accurate screening tool. The aim of this study is to assess the increasing utilization of mpMRI for the diagnosis and management of prostate cancer. METHODS: We conducted a retrospective review of an institutional clinical data repository of four million patients...
November 17, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27856204/are-dynamic-contrast-enhanced-images-necessary-for-prostate-cancer-detection-on-multiparametric-magnetic-resonance-imaging
#5
Thaís Caldara Mussi, Tatiana Martins, Rodrigo Gobbo Garcia, Renee Zon Filippi, Gustavo Caserta Lemos, Ronaldo Hueb Baroni
BACKGROUND: To compare the results of magnetic resonance imaging (MRI) with and without contrast-enhanced sequences for the detection of clinically significant prostate cancer. The value of contrast in the MRI protocol for the detection of prostate tumors has been discussed in previous studies. MATERIALS AND METHODS: We performed an institutional review board-approved, retrospective study of patients who had undergone prostate MRI followed by fusion biopsy during a 16-month period...
October 18, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27842676/biparametric-3t-magentic-resonance-imaging-for-prostatic-cancer-detection-in-a-biopsy-na%C3%A3-ve-patient-population-a-further-improvement-of-pi-rads-v2
#6
Arnaldo Stanzione, Massimo Imbriaco, Sirio Cocozza, Ferdinando Fusco, Giovanni Rusconi, Carmela Nappi, Vincenzo Mirone, Francesco Mangiapia, Arturo Brunetti, Alfonso Ragozzino, Nicola Longo
OBJECTIVES: To prospectively determine the diagnostic accuracy of a biparametric 3T magnetic resonance imaging protocol (BP-MRI) for prostatic cancer detection, compared to a multiparametric MRI protocol (MP-MRI), in a biopsy naïve patient population. METHODS: Eighty-two untreated patients (mean age 65±7.6years) with clinical suspicion of prostate cancer and/or altered prostate-specific antigen (PSA) levels underwent a MP-MRI, including T2-weighted imaging, diffusion-weighted imaging (with the correspondent apparent diffusion coefficient maps) and dynamic contrast enhanced sequence, followed by prostate biopsy...
December 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27842672/can-multiparametric-mri-replace-roach-equations-in-staging-prostate-cancer-before-external-beam-radiation-therapy
#7
Rossano Girometti, Marco Andrea Signor, Martina Pancot, Lorenzo Cereser, Chiara Zuiani
PURPOSE: To investigate the agreement between Roach equations (RE) and multiparametric magnetic resonance imaging (mpMRI) in assessing the T-stage of prostate cancer (PCa). MATERIALS AND METHODS: Seventy-three patients with biopsy-proven PCa and previous RE assessment prospectively underwent mpMRI on a 3.0T magnet before external beam radiation therapy (EBRT). Using Cohen's kappa statistic, we assessed the agreement between RE and mpMRI in defining the T-stage (≥T3 vs...
December 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27825433/advancement-of-mr-and-pet-mr-in-prostate-cancer
#8
REVIEW
Liza Lindenberg, Mark Ahlman, Baris Turkbey, Esther Mena, Peter Choyke
Multiparametric magnetic resonance (mpMRI) imaging has assumed a larger role in the diagnosis and management of prostate cancer. The current method of detecting prostate cancer relies on blind systematic biopsy, guided only by transrectal ultrasound that generally directs the needle biopsy to sextants of the prostate rather than specific lesions. MpMRI is playing an increasing role in the detection of primary cancer as it can visualize cancers and direct biopsies. However, even mpMRI is inherently nonspecific and numerous biopsies performed under MR guidance prove to be negative...
November 2016: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/27800062/multiparametric-magnetic-resonance-imaging-for-pre-treatment-local-staging-of-prostate-cancer-a-cancer-care-ontario-clinical-practice-guideline
#9
Jennifer Salerno, Antonio Finelli, Chris Morash, Scott C Morgan, Nicholas Power, Nichola Schieda, Masoom A Haider
INTRODUCTION: The utility of T2-weighted magnetic resonance imaging (MRI) in the local staging of prostate cancer is controversial. Due to the success of multiparametric MRI in cancer localization, there is renewed interested in MRI (± functional sequences) for local staging. Guidance on pre-treatment local staging of prostate cancer by MRI was developed using systematic review methodology and expert consultation. METHODS: MEDLINE, EMBASE, Cochrane Database of Systematic Reviews, and other databases were searched to identify studies comparing: (1) MRI staging vs...
September 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27785560/multiparametric-magnetic-resonance-imaging-for-prostate-cancer-a-comparative-study-including-radical-prostatectomy-specimens
#10
Liam Toner, Nathan Papa, Marlon Perera, Nikolas Katelaris, Mahesha Weerakoon, Kwang Chin, Laurence Harewood, Damien M Bolton, Nathan Lawrentschuk
PURPOSE: To evaluate the diagnostic and staging ability of multiparametric MRI (mpMRI) compared to radical prostatectomy (RP) specimens after dissemination of this technology to several centres. mpMRI is an evolving technique aiming to improve upon the diagnostic sensitivity of prostate biopsy for the diagnosis of prostate cancer. Differences in interpretation, expertise and application of mpMRI are responsible for the range of reported results. METHODS: This retrospective clinical study was conducted with consecutive patients through an electronic database of tertiary hospitals and adjacent private urology practices in Australia...
October 26, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27783436/role-of-pi-radsv2-with-multiparametric-mri-in-determining-who-needs-active-surveillance-or-definitive-treatment-according-to-prias
#11
Jung Jae Park, Byung Kwan Park
PURPOSE: To evaluate the role of Prostate Imaging Reporting and Data System v. 2 (PI-RADSv2) in triaging patients with prostate cancer according to Prostate Cancer Research International: Active Surveillance (PRIAS). MATERIALS AND METHODS: Between January 2012 and December 2014, 456 patients with biopsy-proven cancer underwent multiparametric 3T magnetic resonance imaging (MRI) using T2 -weighted, diffusion-weighted, and dynamic contrast-enhanced MRI sequences, and then radical prostatectomy...
October 26, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27778089/comparison-of-initial-and-tertiary-centre-second-opinion-reads-of-multiparametric-magnetic-resonance-imaging-of-the-prostate-prior-to-repeat-biopsy
#12
Nienke L Hansen, Brendan C Koo, Ferdia A Gallagher, Anne Y Warren, Andrew Doble, Vincent Gnanapragasam, Ola Bratt, Christof Kastner, Tristan Barrett
OBJECTIVES: To investigate the value of second-opinion evaluation of multiparametric prostate magnetic resonance imaging (MRI) by subspecialised uroradiologists at a tertiary centre for the detection of significant cancer in transperineal fusion prostate biopsy. METHODS: Evaluation of prospectively acquired initial and second-opinion radiology reports of 158 patients who underwent MRI at regional hospitals prior to transperineal MR/untrasound fusion biopsy at a tertiary referral centre over a 3-year period...
October 24, 2016: European Radiology
https://www.readbyqxmd.com/read/27777131/incorporating-imaging-into-personalized-medicine-for-the-detection-of-prostate-cancer-pharmacological-research-urogenital-pharmacology
#13
Francesca Mertan, Baris Turkbey
Imaging has played an important role in the administration of personalized medicine. From diagnosing diseases to guiding therapies, imaging has become an all-encompassing modality. With respect to prostate cancer, personalized management of the disease has been transformed by imaging. Specifically, multiparametric magnetic resonance imaging has emerged as a vital player in the detection, characterization, and localization of the disease thus making the incorporation of imaging in personalized prostate cancer management integral...
October 21, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27769214/innovate-a-prospective-cohort-study-combining-serum-and-urinary-biomarkers-with-novel-diffusion-weighted-magnetic-resonance-imaging-for-the-prediction-and-characterization-of-prostate-cancer
#14
Edward Johnston, Hayley Pye, Elisenda Bonet-Carne, Eleftheria Panagiotaki, Dominic Patel, Myria Galazi, Susan Heavey, Lina Carmona, Alexander Freeman, Giorgia Trevisan, Clare Allen, Alexander Kirkham, Keith Burling, Nicola Stevens, David Hawkes, Mark Emberton, Caroline Moore, Hashim U Ahmed, David Atkinson, Manuel Rodriguez-Justo, Tony Ng, Daniel Alexander, Hayley Whitaker, Shonit Punwani
BACKGROUND: Whilst multi-parametric magnetic resonance imaging (mp-MRI) has been a significant advance in the diagnosis of prostate cancer, scanning all patients with elevated prostate specific antigen (PSA) levels is considered too costly for widespread National Health Service (NHS) use, as the predictive value of PSA levels for significant disease is poor. Despite the fact that novel blood and urine tests are available which may predict aggressive disease better than PSA, they are not routinely employed due to a lack of clinical validity studies...
October 21, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27759826/multiparametric-magnetic-resonance-imaging-findings-of-prostatic-pure-leiomyomas
#15
Thais Caldara Mussi, Yves Bohrer Costa, Marcos Takeo Obara, Marcos Roberto Gomes de Queiroz, Rodrigo Gobbo Garcia, José Antonio Domingos Cianciarulo Longo, Gustavo Caserta Lemos, Ronaldo Hueb Baroni
Objective: To describe the imaging findings of prostatic tumors nonadenocarcinoma on multiparametric magnetic resonance imaging. Methods: A total of 200 patients underwented multiparametric magnetic resonance imaging of the prostate for screening for prostate cancer, from August 2013 to September 2014, followed by biopsy with ultrasound/magnetic resonance imaging fusion. Results: We found three pathologic proved cases of prostatic pure leiomyomas (0...
July 2016: Einstein
https://www.readbyqxmd.com/read/27749525/multiparametric-magnetic-resonance-imaging-and-frozen-section-analysis-efficiently-predict-upgrading-upstaging-and-extraprostatic-extension-in-patients-undergoing-nerve-sparing-robotic-assisted-radical-prostatectomy
#16
Roberto Bianchi, Gabriele Cozzi, Giuseppe Petralia, Sarah Alessi, Giuseppe Renne, Danilo Bottero, Antonio Brescia, Antonio Cioffi, Giovanni Cordima, Matteo Ferro, Deliu Victor Matei, Federica Mazzoleni, Gennaro Musi, Francesco Alessandro Mistretta, Alessandro Serino, Valeria Maria Lucia Tringali, Ioan Coman, Ottavio De Cobelli
To evaluate the role of multiparametric magnetic resonance imaging (mpMRI) in predicting upgrading, upstaging, and extraprostatic extension in patients with low-risk prostate cancer (PCa). MpMRI may reduce positive surgical margins (PSM) and improve nerve-sparing during robotic-assisted radical prostatectomy (RARP) for localized prostate cancer PCa.This was a retrospective, monocentric, observational study. We retrieved the records of patients undergoing RARP from January 2012 to December 2013 at our Institution...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27749009/evaluation-of-extracapsular-extension-in-prostate-cancer-using-qualitative-and-quantitative-multiparametric-mri
#17
Wooil Kim, Chan Kyo Kim, Jung Jae Park, Minji Kim, Jae-Hun Kim
PURPOSE: To investigate the value of multiparametric magnetic resonance imaging (mpMRI) for extracapsular extension (ECE) in prostate cancer (PCa). MATERIALS AND METHODS: In all, 292 patients who received radical prostatectomy and underwent preoperative mpMRI at 3T were enrolled retrospectively. For determining the associations with ECE, the likelihood of ECE was assessed qualitatively on T2 -weighted imaging (T2 WI) and combined T2 WI and diffusion-weighted imaging (DWI) or dynamic contrast-enhanced imaging (DCEI)...
October 17, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27748338/prostate-cancer-detection-with-multiparametric-magnetic-resonance-imaging-prostate-imaging-reporting-and-data-system-version-1-versus-version-2
#18
Zhao-Yan Feng, Liang Wang, Xiang-De Min, Shao-Gang Wang, Guo-Ping Wang, Jie Cai
BACKGROUND: Prostate Imaging Reporting and Data System (PI-RADS) is a globally acceptable standardization for multiparametric magnetic resonance imaging (mp-MRI) in prostate cancer (PCa) diagnosis. The American College of Radiology revised the PI-RADS to address the limitations of version 1 in December 2014. This study aimed to determine whether the PI-RADS version 2 (PI-RADS v2) scoring system improves the diagnostic accuracy of mp-MRI of the prostate compared with PI-RADS v1. METHODS: This retrospective study was approved by the institutional review board...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27743955/image-guided-high-dose-rate-brachytherapy-boost-to-the-dominant-intraprostatic-lesion-using-multiparametric-magnetic-resonance-imaging-including-spectroscopy-results-of-a-prospective-study
#19
Eric Vigneault, Khaly Mbodji, Louis-Gabriel Racine, Eric Chevrette, Marie-Claude Lavallée, André-Guy Martin, Philippe Després, Luc Beaulieu
PURPOSE: To evaluate the long-term outcomes of image-guided high-dose-rate (HDR) brachytherapy boost to the dominant intraprostatic lesion (DIL) using multiparametric magnetic resonance imaging (MRI), including spectroscopy (MRI/magnetic resonance spectroscopy [MRS]). METHODS AND MATERIALS: Between December 2009 and March 2011, 20 patients with intermediate-risk prostate cancer underwent multiparametric MRI/MRS protocol before treatment. All patients were treated with an external beam radiotherapy dose of 40 Gy, combined with an HDR brachytherapy boost of 15 Gy...
October 12, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27743850/current-beliefs-and-practice-patterns-among-urologists-regarding-prostate-magnetic-resonance-imaging-and-magnetic-resonance-targeted-biopsy
#20
Akhil Muthigi, Abhinav Sidana, Arvin K George, Michael Kongnyuy, Mahir Maruf, Subin Valayil, Bradford J Wood, Peter A Pinto
INTRODUCTION AND OBJECTIVE: Multiparametric magnetic resonance imaging (MRI) and magnetic resonance (MR) -targeted biopsy have a growing role in the screening and evaluation of prostate cancer. We aim to evaluate the current knowledge, attitude, and practice patterns of urologists regarding this new technique. METHODS: An anonymous online questionnaire was designed to collect information on urologists' beliefs and use of prostate multiparametric MRI and MR-targeted biopsy...
October 12, 2016: Urologic Oncology
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