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Academic Radiology

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https://www.readbyqxmd.com/read/29153963/shear-wave-elastography-swe-for-monitoring-of-treatment-of-tendinopathies-a-double-blinded-longitudinal-clinical-study
#1
Timm Dirrichs, Valentin Quack, Matthias Gatz, Markus Tingart, Björn Rath, Marcel Betsch, Christiane K Kuhl, Simone Schrading
RATIONALE AND OBJECTIVES: We aimed to investigate the diagnostic accuracy with which shear wave elastography (SWE) can be used to monitor response to treatment of tendinopathies, and to compare it to conventional ultrasound (US)-imaging methods (B-mode US (B-US) and power Doppler US (PD-US)). MATERIALS AND METHODS: A prospective Institutional Review Board-approved longitudinal study on 35 patients with 47 symptomatic tendons (17 Achilles-, 15 patellar-, and 15 humeral-epicondylar) who underwent standardized multimodal US and standardized clinical assessment before and after 6 months of treatment (tailored stretching exercise, sport break, and local Polidocanol) was carried out...
November 16, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29153962/sonographic-criteria-predictive-of-malignant-thyroid-nodules-which-lesions-should-be-biopsied
#2
Carlos Miguel Oliveira, Rui Alves Costa, Miguel Patrício, Amélia Estêvão, Bruno Graça, Filipe Caseiro-Alves
RATIONALE AND OBJECTIVES: The objective of this study was to evaluate the ultrasound features of thyroid nodules and their association with malignancy, focusing on establishing feature-oriented ultrasound criteria to determine proper management of a thyroid nodule. MATERIALS AND METHODS: A sample of 379 thyroid nodules were biopsied (from a total of 357 patients aged 59.8 ± 14.8 years) and 300 were included in the final study (271 benign nodules and 29 malignant ones)...
November 16, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29129528/educational-effects-of-radiation-reduction-during-fluoroscopic-examination-of-the-adult-gastrointestinal-tract
#3
Moon Hyung Choi, Seung Eun Jung, Soon Nam Oh, Jae Young Byun
RATIONALE AND OBJECTIVES: This study aimed to evaluate the effects of educating radiology residents and radiographers about radiation exposure on reduction of dose area product (DAP) and fluoroscopy time in diagnostic fluoroscopy of the gastrointestinal (GI) tract in adult patients. MATERIALS AND METHODS: In April 2015, we offered 1 hour of education to radiology residents and radiographers on how to reduce radiation doses during fluoroscopic examinations. Fluoroscopic examinations of the GI tracts of adult patients performed from June 2014 to February 2016 were evaluated...
November 9, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29126705/recipe-for-a-successful-hybrid-academic-community-radiology-practice-canadian-experience
#4
Kaela L Gusenbauer, Michael N Patlas, Ania Z Kielar, Douglas S Katz
No abstract text is available yet for this article.
November 7, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29122473/automated-radiology-operative-note-communication-tool-closing-the-loop-in-musculoskeletal-imaging
#5
William Moore, Ankur Doshi, Priya Bhattacharji, Soterios Gyftopoulos, Gina Ciavarra, Danny Kim, Michael Recht
RATIONALE AND OBJECTIVES: Correlation of imaging studies and reference standard outcomes is a significant challenge in radiology. This study evaluates the effectiveness of a new communication tool by assessing the ability of this system to correctly match the imaging studies to arthroscopy reports and qualitatively assessing radiologist behavior before and after the implementation of this system. MATERIALS AND METHODS: Using a commercially available communication or educational tool and applying a novel matching rule algorithm, radiology and arthroscopy reports were matched from January 17, 2017 to March 1, 2017 based on anatomy...
November 6, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29122472/can-radiologists-learn-from-airport-baggage-screening-a-survey-about-using-fictional-patients-for-quality-assurance
#6
Andrew Phelps, Andrew L Callen, Peter Marcovici, David M Naeger, John Mongan, Emily M Webb
RATIONALE AND OBJECTIVES: For both airport baggage screeners and radiologists, low target prevalence is associated with low detection rate, a phenomenon known as "prevalence effect." In airport baggage screening, the target prevalence is artificially increased with fictional weapons that are digitally superimposed on real baggage. This strategy improves the detection rate of real weapons and also allows airport supervisors to monitor screener performance. A similar strategy using fictional patients could be applied in radiology...
November 6, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29122471/3d-registration-of-mpmri-for-assessment-of-prostate-cancer-focal-therapy
#7
Clément Orczyk, Andrew B Rosenkrantz, Artem Mikheev, Arnauld Villers, Myriam Bernaudin, Samir S Taneja, Samuel Valable, Henry Rusinek
RATIONALE AND OBJECTIVES: This study aimed to assess a novel method of three-dimensional (3D) co-registration of prostate magnetic resonance imaging (MRI) examinations performed before and after prostate cancer focal therapy. MATERIALS AND METHODS: We developed a software platform for automatic 3D deformable co-registration of prostate MRI at different time points and applied this method to 10 patients who underwent focal ablative therapy. MRI examinations were performed preoperatively, as well as 1 week and 6 months post treatment...
November 6, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29122470/accuracy-of-computed-tomographic-enterography-for-obscure-gastrointestinal-bleeding-a-diagnostic-meta-analysis
#8
Bosheng He, Jushun Yang, Jing Xiao, Jinhua Gu, Feixiang Chen, Lin Wang, Junbo Qian, Shenchu Gong
RATIONALE AND OBJECTIVES: Obscure gastrointestinal bleeding (OGIB) is the bleeding from the gastrointestinal tract without definite source that persists and recurs after a negative endoscopic evaluation. The study aimed to systematically evaluate the diagnostic accuracy of computed tomography enterography on OGIB detection by meta-analysis. MATERIALS AND METHODS: Studies were searched in relevant databases. With predefined inclusion criteria, eligible studies were included, followed by quality assessment using the Quality Assessment of Diagnostic Accuracy Studies scoring system...
November 6, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29108812/correlation-of-brown-adipose-tissue-with-other-body-fat-compartments-and-patient-characteristics-a-retrospective-analysis-in-a-large-patient-cohort-using-pet-ct
#9
Cornelia Brendle, Matthias K Werner, Maria Schmadl, Christian la Fougère, Konstantin Nikolaou, Norbert Stefan, Christina Pfannenberg
RATIONALE AND OBJECTIVES: The objective of this study was to assess the relationship of brown adipose tissue (BAT) activity with different fat compartments of the body, body mass index (BMI), outdoor temperature, thyroid-stimulating hormone (TSH) levels, blood glucose, age, and sex in a large patient population using F-18-fluordesoxyglucose positron emission tomography-computer tomography (FDG-PET/CT) scans obtained under thermoneutral conditions. MATERIALS AND METHODS: FDG-PET/CT scans of 4852 patients were retrospectively analyzed for BAT activity...
November 3, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29103917/physician-specialty-and-radiologist-characteristics-associated-with-higher-medicare-patient-complexity
#10
Andrew B Rosenkrantz, Wenyi Wang, Arvind Vijayasarathi, Richard Duszak
RATIONALE AND OBJECTIVES: Meaningfully measuring physician outcomes and resource utilization requires appropriate patient risk adjustment. We aimed to assess Medicare patient complexity by physician specialty and to further identify radiologist characteristics associated with higher patient complexity. MATERIALS AND METHODS: The average beneficiary Hierarchical Condition Category (HCC) risk scores (Medicare's preferred measure of clinical complexity) were identified for all physicians using 2014 Medicare claims data...
November 3, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29097016/volumetric-mri-analysis-of-plexiform-neurofibromas-in-neurofibromatosis-type-1-comparison-of-two-methods
#11
Wenli Cai, Seth M Steinberg, Miriam A Bredella, Gina Basinsky, Bhanusupriya Somarouthu, Scott R Plotkin, Jeffrey Solomon, Brigitte C Widemann, Gordon J Harris, Eva Dombi
OBJECTIVES: Plexiform neurofibromas (PNs) are complex, histologically benign peripheral nerve sheath tumors that are challenging to measure by simple line measurements. Computer-aided volumetric segmentation of PN has become the recommended method to assess response in clinical trials directed at PN. Different methods for volumetric analysis of PN have been developed. The goal of this study is to test the level of agreement in volume measurements and in interval changes using two separate methods of volumetric magnetic resonance imaging analysis...
October 30, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29107458/imaging-facilities-adherence-to-pi-rads-v2-minimum-technical-standards-for-the-performance-of-prostate-mri
#12
Steven J Esses, Samir S Taneja, Andrew B Rosenkrantz
PURPOSE: This study aimed to assess variability in imaging facilities' adherence to the minimum technical standards for prostate magnetic resonance imaging acquisition established by Prostate Imaging-Reporting and Data System (PI-RADS) version 2 (v2). METHODS: A total of 107 prostate magnetic resonance imaging examinations performed at 107 unique imaging facilities after the release of PI-RADS v2 and that were referred to a tertiary care center for secondary interpretation were included...
October 26, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29107457/increased-epicardial-fat-volume-in-systemic-sclerosis-a-new-cardiovascular-risk-marker
#13
EDITORIAL
Matthew J Budoff
No abstract text is available yet for this article.
October 26, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29107456/educational-implications-of-health-insurance-changes
#14
Lindsey Shea, Darel E Heitkamp, Jeffrey W Dunkle, Richard B Gunderman
No abstract text is available yet for this article.
October 26, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29074334/robotically-assisted-long-bone-biopsy-under-mri-imaging-workflow-and-preclinical-study
#15
Kevin Cleary, Sunghwan Lim, Changhan Jun, Reza Monfaredi, Karun Sharma, Stanley Thomas Fricke, Luis Vargas, Doru Petrisor, Dan Stoianovici
RATIONALE AND OBJECTIVES: Our research team has developed a magnetic resonance imaging (MRI)-compatible robot for long bone biopsy. The robot is intended to enable a new workflow for bone biopsy in pediatrics under MRI imaging. Our long-term objectives are to minimize trauma and eliminate radiation exposure when diagnosing children with bone cancers and bone infections. This article presents our robotic systems, phantom accuracy studies, and workflow analysis. MATERIALS AND METHODS: This section describes several aspects of our work including the envisioned clinical workflow, the MRI-compatible robot, and the experimental setup...
October 23, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29056400/social-media-utilization-at-an-academic-radiology-practice
#16
Nicholas A Koontz, Aaron P Kamer, Sean C Dodson, Alisha E Capps, Courtney M Tomblinson, Brandon P Brown, Mark S Frank, Darel E Heitkamp
RATIONALE AND OBJECTIVES: We report social media (SoMe) utilization trends at an academic radiology department, highlighting differences between trainees and faculty and between Baby Boomers versus Generation X and Millennials. MATERIALS AND METHODS: An anonymous online survey regarding SoMe utilization and SoMe-based educational curriculum was distributed to all radiologists (trainees and faculty) in our department. Regular chi-square, ordered (Mantel-Haenszel) chi-square, and Fischer exact tests were performed...
October 19, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29055683/spectral-beam-shaping-in-unenhanced-chest-ct-examinations-a-phantom-study-on-dose-reduction-and-image-quality
#17
Saravanabavaan Suntharalingam, Thomas Allmendinger, Sebastian Blex, Mohammad Al-Bayati, Kai Nassenstein, Bernd Schweiger, Michael Forsting, Axel Wetter
RATIONALE AND OBJECTIVES: This study aimed to determine the optimal tube potential for unenhanced chest computed tomographies (CTs) with age-related phantoms. MATERIALS AND METHODS: Three physical anthropomorphic phantoms (newborn, 5-year-old child, and adult) were scanned on a third-generation dual-source CT using CAREkV in semi-mode and CAREDose4D (ref. KV: 120; ref. mAs 50). Scans were performed with all available tube potentials (70-150 kV and Sn150 kV). The lowest volume computed tomography dose index (CTDIvol) was selected to perform additional Sn100-kV scans with matched and half (Sn100-half) CTDIvol value...
October 18, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29054676/is-diagnostic-performance-of-quantitative-2d-shear-wave-elastography-optimal-for-clinical-classification-of-benign-and-malignant-thyroid-nodules-a-systematic-review-and-meta-analysis
#18
Haliimah A Nattabi, Norhafidzah M Sharif, Noorazrul Yahya, Rozilawati Ahmad, Mazlyfarina Mohamad, Faizah M Zaki, Ahmad N Yusoff
RATIONALE AND OBJECTIVE: This study is a dedicated 2D-shear wave elastography (2D-SWE) review aimed at systematically eliciting up-to-date evidence of its clinical value in differential diagnosis of benign and malignant thyroid nodules. METHODS: PubMed, Web of Science, and Scopus databases were searched for studies assessing the diagnostic value of 2D-SWE for thyroid malignancy risk stratification published until December 2016. The retrieved titles and abstracts were screened and evaluated according to the predefined inclusion and exclusion criteria...
October 17, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29051040/on-the-potential-role-of-mri-biomarkers-of-copd-to-guide-bronchoscopic-lung-volume-reduction
#19
Colin J Adams, Dante P I Capaldi, Robert Di Cesare, David G McCormack, Grace Parraga
RATIONALE AND OBJECTIVES: In patients with severe emphysema and poor quality of life, bronchoscopic lung volume reduction (BLVR) may be considered and guided based on lobar emphysema severity. In particular, x-ray computed tomography (CT) emphysema measurements are used to identify the most diseased and the second-most diseased lobes as BLVR targets. Inhaled gas magnetic resonance imaging (MRI) also provides chronic obstructive pulmonary disease (COPD) biomarkers of lobar emphysema and ventilation abnormalities...
October 16, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29033147/apparent-diffusion-coefficient-value-to-evaluate-tumor-response-after-neoadjuvant-chemotherapy-in-patients-with-breast-cancer
#20
Yazmín Aseret Ramírez-Galván, Servando Cardona-Huerta, Guillermo Elizondo-Riojas, Neri Alejandro Álvarez-Villalobos
RATIONALE AND OBJECTIVES: This study explored tumor behavior in patients with breast cancer during neoadjuvant chemotherapy (NAC) by sequential measurements of tumor apparent diffusion coefficient (ADC) after each chemotherapy cycle. The aim was to determine if the tumor ADC is useful to differentiate complete pathological response (cPR) from partial pathological response (pPR) during NAC. MATERIALS AND METHODS: A total of 16 cases (in 14 patients) with diagnosis of breast cancer eligible to receive NAC were included...
October 12, 2017: Academic Radiology
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