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Academic Radiology

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https://read.qxmd.com/read/31097377/critical-challenges-to-the-management-of-clinical-trial-imaging-recommendations-for-the-conduct-of-imaging-at-investigational-sites
#1
Nicholas P Gruszauskas, Samuel G Armato
RATIONALE AND OBJECTIVES: Participation in clinical research can be both highly rewarding and logistically demanding. As highlighted by recent Food and Drug Administration guidance, imaging has become an integral part of this research. The unique technical and administrative aspects of clinical trial imaging may differ substantially from those of standard-of-care imaging and thus burden the established clinical infrastructure at investigational sites. Failure to comply with requirements can lead to unusable data, repeat imaging, or the removal of patients from the trial...
May 13, 2019: Academic Radiology
https://read.qxmd.com/read/31085099/hybrid-interactive-and-didactic-teaching-format-improves-resident-retention-and-attention-compared-to-traditional-lectures
#2
Vishwan Pamarthi, Lars Grimm, Karen Johnson, Charles Maxfield
PURPOSE: To compare the traditional lecture to a hybrid interactive and didactic teaching format with regards to radiology resident short- and long-term retention, as well as attention. MATERIALS AND METHODS: The tested hybrid format consists of a 30-minute didactic lecture followed by 30 minutes of interactive cases based on material from the lecture portion. Faculty members were randomly selected to give a 60-minute lecture or a hybrid presentation. To assess short- and long-term retention, a test developed from the presenter's slides was sent to all residents approximately 15 minutes after each presentation, and again approximately 3 months later...
May 10, 2019: Academic Radiology
https://read.qxmd.com/read/31080091/how-can-artistic-paintings-broaden-medical-students-understanding-of-the-radiology-profession
#3
Kari L Visscher, Lynn F Bloom, Kori A LaDonna, Lisa Faden, Kawan S Rakhra
RATIONALE AND OBJECTIVES: The purpose of this study is to explore how representational paintings of radiology encounters with patients may impact medical students' understanding and impression of both radiologists and the radiology profession. METHODS: Participants included third year medical students at a single institution rotating through a one-week radiology elective. Three works of art were analyzed using the validated Visual Thinking Strategies technique. Data collected included a postsession questionnaire and transcriptions of audio-recorded sessions...
May 9, 2019: Academic Radiology
https://read.qxmd.com/read/31076329/characteristics-of-radiologists-clinical-practice-patterns-by-career-stage
#4
Andrew B Rosenkrantz, Howard B Fleishon, Patricia A Hudgins, Claire E Bender, Richard Duszak
PURPOSE: To assess characteristics of radiologists' clinical practice patterns by career stage. METHODS: Radiologists' 2016 billed services were extracted from the Medicare Physician and Other Supplier Public Use File. Billed clinical work was weighted using work relative value units. Medical school graduation years were obtained from Medicare Physician Compare. Practice patterns were summarized by decades after residency. RESULTS: Among 28,463 included radiologists, 32...
May 8, 2019: Academic Radiology
https://read.qxmd.com/read/31076332/immediate-migration-of-biopsy-clip-markers-after-upright-digital-breast-tomosynthesis-guided-vacuum-assisted-core-biopsy
#5
Davis C Teichgraeber, Sarah Martaindale, Toma S Omofoye, Kenneth R Hess, Jay R Parikh, Gary J Whitman
RATIONALE AND OBJECTIVES: The goal of this retrospective study was to evaluate the rate of immediate post-biopsy clip migration on an upright digital tomosynthesis-guided vacuum-assisted core biopsy unit and determine if any factors were associated with immediate clip migration. MATERIALS AND METHODS: We performed a retrospective review of patients who had undergone a biopsy performed at one facility from November 1, 2014 to September 30, 2016. Post-biopsy mammograms were reviewed to assess immediate clip position relative to the targeted lesion...
May 7, 2019: Academic Radiology
https://read.qxmd.com/read/31076331/evaluation-of-pseudoreader-study-designs-to-estimate-observer-performance-results-as-an-alternative-to-fully-crossed-multireader-multicase-studies
#6
Rickey E Carter, David R Holmes, Joel G Fletcher, Cynthia H McCollough
RATIONALE AND OBJECTIVES: To examine the ability of a pseudoreader study design to estimate the observer performance obtained using a traditional fully crossed, multireader, multicase (MRMC) study. MATERIALS AND METHODS: A 10-reader MRMC study with 20 computed tomography datasets was designed to measure observer performance on four novel noise reduction methods. This study served as the foundation for the empirical evaluation of three different pseudoreader designs, each of which used a similar bootstrap approach for generating 2000 realizations from the fully crossed study...
May 7, 2019: Academic Radiology
https://read.qxmd.com/read/31076330/diagnosis-of-lymphangiomatosis-a-study-based-on-ct-lymphangiography
#7
Dan Jin, Xiaoli Sun, Wenbin Shen, Qingqing Zhao, Rengui Wang
RATIONALE AND OBJECTIVES: Lymphangiomatosis is a rare disease characterized by the widespread presence of lymphangiomas in any part of the body. In previous studies, lymphatic vessel abnormalities in lymphangiomatosis have only rarely been mentioned. The objective of this paper is to discuss the imaging features of lymphangiomatosis, including cystic lesions and lymphatic abnormalities, on computed tomography lymphangiography (CTL). MATERIALS AND METHODS: All 34 patients who were diagnosed with lymphangiomatosis underwent direct lymphangiography followed by CTL...
May 7, 2019: Academic Radiology
https://read.qxmd.com/read/31072767/coronary-atherosclerotic-plaque-volume-quantified-by-computed-tomographic-angiography-in-smokers-compared-to-nonsmokers
#8
Zhi-Hui Hou, Bin Lu, Zhen-Nan Li, Yun-Qiang An, Yang Gao, Wei-Hua Yin
RATIONALE AND OBJECTIVES: We sought to compare the prevalence and volume of lipid plaque, fibrous plaque, and calcified plaque in patients with smokers versus nonsmokers. MATERIALS AND METHODS: We studied consecutive patients suspected of coronary artery disease and who underwent coronary computed tomography angiography. A structured interview and review of existing clinical data was conducted before computed tomography angiography to collect information on demographic characteristics, the presence of cardiovascular risk factors...
May 6, 2019: Academic Radiology
https://read.qxmd.com/read/31072766/radiologist-as-lifelong-learner-strategies-for-ongoing-education
#9
REVIEW
Xuan V Nguyen, Scott J Adams, Susan K Hobbs, Dhakshinamoorthy Ganeshan, Ashish P Wasnik
Given the rapid pace at which modern radiology is evolving and the associated paradigm shifts in health care delivery, it is critical that radiologists adapt and constantly update the skills and knowledge required to practice safe, patient-centered care. The Association of University Radiologists-Radiology Research Alliance Lifelong Learning Task Force convened to explore the current status and future directions of lifelong learning in radiology and summarized its finding in this article. We review the various learning platforms and resources available to radiologists in their self-motivated and self-directed pursuit of lifelong learning...
May 6, 2019: Academic Radiology
https://read.qxmd.com/read/31072765/association-of-parity-and-infant-feeding-method-with-breast-density-on-mammography
#10
Eiji Nakajima, Takuji Iwase, Yumi Miyagi, Takashi Fujita, Norihiko Ikeda, Takashi Ishikawa, Hiroji Iwata
BACKGROUND: Mammography (MMG) is widely used for the screening and diagnosis of breast cancer. High breast density on MMG prevents breast cancer detection. In the present study, we analyzed the effects of parity and infant feeding method on mammographic breast density. MATERIALS AND METHODS: Ninety women diagnosed as having breast cancer were analyzed. Using the results of medical questionnaires, subjects were grouped according to their parity and infant feeding method, into either nulliparity or parity, and formula-feeding or breastfeeding...
May 6, 2019: Academic Radiology
https://read.qxmd.com/read/31064728/cost-comparison-of-ultrasound-versus-mri-to-diagnose-adolescent-female-patients-presenting-with-acute-abdominal-pelvic-pain-using-time-driven-activity-based-costing
#11
Kelly N Hagedorn, Shireen E Hayatghaibi, Matt H Levine, Robert C Orth
RATIONALE AND OBJECTIVES: To compare the cost of ultrasound (US) versus magnetic resonance imaging (MRI) using time-driven activity-based costing in adolescent female patients with suspected appendicitis. MATERIALS AND METHODS: Process maps were created using data from electronic medical record review and patient shadowing for adolescent female patients undergoing US or noncontrast MRI exams of the abdomen and pelvis for suspected appendicitis. Capacity cost rates for all personnel, equipment, facilities, and supplies in each exam pathway were established from institutional accounting data...
May 4, 2019: Academic Radiology
https://read.qxmd.com/read/31064727/optimizing-radiology-reports-for-patients-and-referring-physicians-mitigating-the-curse-of-knowledge
#12
Ana P Lourenco, Grayson L Baird
As the movement for increased transparency in healthcare continues, more and more patients are accessing their imaging reports via patient portals. The shift to structured radiology reports has increased report clarity for referring providers and is supported by most radiologists. When radiologists address the clinical question that was posed, avoid the use of abbreviations, and create a report impression that is as simple as possible, we provide real added value via effective communication through our reports...
May 4, 2019: Academic Radiology
https://read.qxmd.com/read/31064726/survey-of-intern-year-experiences-for-those-going-into-interventional-radiology-comparing-surgery-medicine-and-transitional-year-internships
#13
Jared Cline, David P Duncan, Chris Molloy, Omar S Zuberi
SURGERY, INTERNAL MEDICINE, OR TRANSITION YEAR FOR INTERNS GOING INTO INTERVENTIONAL RADIOLOGY: Comparison of intern year specialty in regards to preparation for interventional radiology (IR) with results and analysis of the resident, fellow, and student (RFS) survey of trainees. PURPOSE: Evaluate trainee experiences regarding internship variables with respect to IR preparedness. MATERIALS: A questionnaire created by members of the Society of Interventional Radiology (SIR) RFS IR Residency Training Committee was distributed to RFS members at SIR 2017 conference and via an online survey...
May 4, 2019: Academic Radiology
https://read.qxmd.com/read/31060981/web-based-radiology-subspecialty-training-program-pilot-feasibility-and-effectiveness-analysis-on-ethiopian-radiologists
#14
Arya Haj-Mirzaian, Nikita Sethi, Brian de Francesca, Sumedha Sahni, Atif Zaheer
RATIONALE AND OBJECTIVES: To investigate the feasibility and effectiveness of a novel web-based radiology subspecialty training program. MATERIALS AND METHODS: Ten Ethiopian general radiologists were enrolled; each participant selected two out of four available subspecialty training programs including abdominal imaging, neuroradiology, chest imaging, and musculoskeletal imaging. Participants were trained simultaneously in 4-stages over 20-months remotely. The program contains online lectures (previously recorded), online interactive case reviews, learning modules, and one-month observership at Johns Hopkins University...
May 4, 2019: Academic Radiology
https://read.qxmd.com/read/31060982/estimation-of-the-right-posterior-section-volume-in-live-liver-donors-semiautomated-ct-volumetry-using-portal-vein-segmentation
#15
So Yeong Jeong, Jeongjin Lee, Kyoung Won Kim, Jin Kyoo Jang, Heon-Ju Kwon, Gi Won Song, Sung Gyu Lee
RATIONALE AND OBJECTIVES: To determine the accuracy of semiautomated CT volumetry using portal vein (PV) segmentation to estimate volume of the right posterior section (RPS) graft compared to intraoperative measured weight (W) in live liver donors. MATERIALS AND METHODS: Among 23 donors who donated RPS grafts for liver transplantation in our institution from April 2003 to August 2016, 17 donors with CT scans within 3 months of liver procurement and PV anatomy of type I-III were included...
May 3, 2019: Academic Radiology
https://read.qxmd.com/read/31060980/imaging-biomarkers-for-nonalcoholic-fatty-liver-disease
#16
EDITORIAL
Man Zhang
No abstract text is available yet for this article.
May 3, 2019: Academic Radiology
https://read.qxmd.com/read/31053482/assessment-of-myocardial-viability-in-ischemic-heart-disease-by-pet-mri-comparison-of-left-ventricular-perfusion-hibernation-and-scar-burden
#17
Dietrich Beitzke, Sazan Rasul, Martin Lyngby Lassen, Verena Pichler, Daniela Senn, Marie Elisabeth Stelzm├╝ller, Richard Nolz, Christian Loewe, Marcus Hacker
RATIONALE AND OBJECTIVES: Hybrid positron emission tomography-magnetic resonance (PET-MR) is a novel imaging technology that enables a comprehensive assessment of myocardial viability. The aim of this study was to intra-individually compare simultaneously acquired viability parameters from MRI and PET to determine complementary and redundant information. MATERIALS AND METHODS: Thirty-nine patients with ischemic heart disease (IHD) underwent cardiac PET-MR for myocardial viability assessment...
April 30, 2019: Academic Radiology
https://read.qxmd.com/read/31053481/the-diagnostic-value-of-3d-power-doppler-ultrasound-combined-with-vocal-in-the-vascular-distribution-of-breast-masses
#18
Huizhu Wang, Bing Yan, Lifang Yue, Mingyu He, Yuehua Liu, Hezhou Li
RATIONALE AND OBJECTIVES: This study uses a three-dimensional energy Doppler technique combined with the Virtual Organ Computer-aided Analysis (VOCAL) method in order to determine the diagnostic threshold of blood flow index in breast tumors to provide a reference for evaluation and treatment options. MATERIALS AND METHODS: We collected 322 solid lesions which had been operated. Each lesion met the definite pathological diagnosis; collected lesions included 262 cases of benign lesions and 60 cases of malignant lesions...
April 30, 2019: Academic Radiology
https://read.qxmd.com/read/31053480/deep-learning-in-the-prediction-of-ischaemic-stroke-thrombolysis-functional-outcomes-a-pilot-study
#19
Stephen Bacchi, Toby Zerner, Luke Oakden-Rayner, Timothy Kleinig, Sandy Patel, Jim Jannes
RATIONALE AND OBJECTIVES: Intravenous thrombolysis decision-making and obtaining of consent would be assisted by an individualized risk-benefit ratio. Deep learning (DL) models may be able to assist with this patient selection. MATERIALS AND METHODS: Clinical data regarding consecutive patients who received intravenous thrombolysis across two tertiary hospitals over a 7-year period were extracted from existing databases. The noncontrast computed tomography brain scans for these patients were then retrieved with hospital picture archiving and communication systems...
April 30, 2019: Academic Radiology
https://read.qxmd.com/read/31047791/adaptive-tutorials-versus-web-based-resources-in-radiology-a-mixed-methods-analysis-of-efficacy-and-engagement-in-senior-medical-students
#20
Stuart W T Wade, Michelle Moscova, Nicodemus Tedla, Daniel A Moses, Noel Young, Merribel Kyaw, Gary M Velan
RATIONALE AND OBJECTIVES: Radiology education is suited to delivery via e-learning which may be used to fill gaps in knowledge and help prepare medical students for internship. There is limited evidence of effectiveness of adaptive tutorials, a form of e-learning in a senior medical student cohort. MATERIALS AND METHODS: A randomized mixed methods crossover trial was performed to assess effectiveness of adaptive tutorials on engagement and understanding of appropriate use and interpretation of basic imaging studies...
April 30, 2019: Academic Radiology
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