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Machine Learning Algorithms Utilizing Quantitative CT Features May Predict Eventual Onset of Bronchiolitis Obliterans Syndrome After Lung Transplantation
Conclusions ML utilizing qCT could discern distinct mechanisms driving FEV1 decline in BOS and non-BOS LTx patients and predict eventual onset of BOS. This approach may become useful to optimize management of LTx patients. (Source: Academic Radiology)
Source: Academic Radiology - February 20, 2018 Category: Radiology Source Type: research

Dual-phase Cone-beam CT-based Navigation Imaging Significantly Enhances Tumor Detectability and Aids Superselective Transarterial Chemoembolization of Liver Cancer
Conclusions DP-CBCT and navigation imaging improve tumor detectability and superselective embolization in TACE. (Source: Academic Radiology)
Source: Academic Radiology - February 16, 2018 Category: Radiology Source Type: research

Image Quality on Dual-energy CTPA Virtual Monoenergetic Images
Conclusions Kiloelectron volt images of 40–50 keV from the second-generation algorithm optimize attenuation on dual-energy CTPA and can potentially aid in interpretation and avoiding nondiagnostic examinations. (Source: Academic Radiology)
Source: Academic Radiology - February 16, 2018 Category: Radiology Source Type: research

Characterization of Urinary Stone Composition by Use of Whole-body, Photon-counting Detector CT
Conclusion PCD-CT provides comparable performance to state-of-the-art EID-CT in differentiating urinary stone composition. (Source: Academic Radiology)
Source: Academic Radiology - February 15, 2018 Category: Radiology Source Type: research

Fat Necrosis of the Breast
Conclusions MRI proved to be of value in differentiating fat necrosis from malignancy based on the molecular composition of fat necrosis, clearly depicted by MRI without the need for invasive confirmation by biopsy. (Source: Academic Radiology)
Source: Academic Radiology - February 14, 2018 Category: Radiology Source Type: research

Magic Angle in Cardiac CT
Conclusions Surprisingly, the lead-tip angle of 70° has been established as the key angle under which diagnostic image quality is always ensured, regardless of the imaging technique. Thus, we call 70° the “Magic angle” in CT pacemaker imaging. (Source: Academic Radiology)
Source: Academic Radiology - February 14, 2018 Category: Radiology Source Type: research

Utility of Clinical Parameters and Multiparametric MRI as Predictive Factors for Differentiating Uterine Sarcoma From Atypical Leiomyoma
Conclusions The use of clinical parameters and multiparametric MRI as predictive factors was beneficial for diagnosing uterine sarcoma preoperatively. These findings could be helpful for guiding treatment decisions. (Source: Academic Radiology)
Source: Academic Radiology - February 14, 2018 Category: Radiology Source Type: research

Gender Trends in Academic Radiology Publication in the United States Revisited
Conclusions Annual increases in first author academic productivity of female radiologists have lessened in the past 16 years, possibly related to reductions in the growth of female radiology faculty and trainees. As mixed, compared to homogeneous gender, authorship teams are associated with more citations, efforts to encourage more women to pursue careers in academic radiology could benefit the radiology research community. (Source: Academic Radiology)
Source: Academic Radiology - February 13, 2018 Category: Radiology Source Type: research

Neurometabolites Alteration in the Acute Phase of Mild Traumatic Brain Injury (mTBI)
Conclusion Neurometabolite alterations were already apparent at onset of both complicated and uncomplicated traumatic brain injury. The ratio of NAA and NAAG has potential to serve as a biomarker reflecting injury severity in a quantifiable manner as it discriminates between the complicated and uncomplicated cases of mTBI. (Source: Academic Radiology)
Source: Academic Radiology - February 13, 2018 Category: Radiology Source Type: research

A Dynamic Graph Cuts Method with Integrated Multiple Feature Maps for Segmenting Kidneys in 2D Ultrasound Images
Conclusions The proposed method achieved promising performance for segmenting kidneys in two-dimensional US images, better than segmentation methods built on any single channel of image information. This method will facilitate extraction of kidney characteristics that may predict important clinical outcomes such as progression of chronic kidney disease. (Source: Academic Radiology)
Source: Academic Radiology - February 13, 2018 Category: Radiology Source Type: research

Communication Practices of Mammography Facilities and Timely Follow-up of a Screening Mammogram with a BI-RADS 0 Assessment
Conclusions Our findings support the value of telephone communication to patients in relation to timely follow-up. Future research is needed to evaluate the role of communication in completing the breast cancer screening episode. (Source: Academic Radiology)
Source: Academic Radiology - February 10, 2018 Category: Radiology Source Type: research

An MRI-based Radiomics Classifier for Preoperative Prediction of Ki-67 Status in Breast Cancer
Conclusions The T2W image–based radiomics classifier was a significant predictor of Ki-67 status in patients with breast cancer. Thus, it may serve as a noninvasive approach to facilitate the preoperative prediction of Ki-67 status in clinical practice. (Source: Academic Radiology)
Source: Academic Radiology - February 8, 2018 Category: Radiology Source Type: research

Computed Tomography Window Blending
Conclusions In this pilot study utilizing retrospective data, window blending allows faster preliminary interpretation of axial chest CT performed for trauma, with no significant difference in diagnostic performance compared to conventional window settings. Future studies would be required to assess the utility of window blending in clinical practice. (Source: Academic Radiology)
Source: Academic Radiology - February 8, 2018 Category: Radiology Source Type: research

Semiautomatic Assessment of the Terminal Ileum and Colon in Patients with Crohn Disease Using MRI (the VIGOR++ Project)
Conclusions The VIGOR score achieves comparable accuracy to conventional MRI activity scores, but with significantly improved reproducibility, favoring its use for disease monitoring and therapy evaluation. (Source: Academic Radiology)
Source: Academic Radiology - February 8, 2018 Category: Radiology Source Type: research

Educating Radiologists for Self-governance
Publication date: Available online 7 February 2018 Source:Academic Radiology Author(s): Richard B. Gunderman, Paul J. Martin (Source: Academic Radiology)
Source: Academic Radiology - February 8, 2018 Category: Radiology Source Type: research

Burnout
Conclusions Radiology residents score higher in the PA domain of burnout when they receive adequate constructive feedback, have good co-resident social support, and feel that the skills and knowledge they are building are important to society. Improving constructive feedback mechanisms, enabling resident-only social time, and supporting opportunities that reinforce the importance of their contributions may therefore improve radiology residents' sense of PA. (Source: Academic Radiology)
Source: Academic Radiology - February 7, 2018 Category: Radiology Source Type: research

Cardiothoracic MRI in the ICU
Conclusions In an ICU population, successful completion of cardiothoracic MRI is challenging but feasible in patients with intact renal function and the absence of mechanical ventilation. Examinations were most frequently diagnostic for myocardial and aortic disease indications. (Source: Academic Radiology)
Source: Academic Radiology - February 7, 2018 Category: Radiology Source Type: research

Artificial Intelligence and Radiology: Have Rumors of the Radiologist's Demise Been Greatly Exaggerated?
Publication date: Available online 2 February 2018 Source:Academic Radiology Author(s): Tomer Nawrocki, Pierre D. Maldjian, Shira E. Slasky, Sohail G. Contractor Artificial intelligence is a rapidly evolving computerized technology affecting multiple aspects of our lives. It is predicted that artificial intelligence will lead to a fundamental change in practice of many professional fields, including medicine. One of the most significant advances in artificial intelligence involves digital imaging and image recognition. Consequently, radiologists, who work in the most digitalized field of medicine, need to be familiar with...
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Radiologist Engagement as a Potential Barrier to the Clinical Translation of Quantitative Imaging for the Assessment of Tumor Heterogeneity
Conclusions Radiologist engagement is a potential barrier to the effective translation of quantitative imaging assessments of tumor heterogeneity into clinical practice and will need to be addressed before tumor heterogeneity information can successfully contribute to clinical decision making in oncology. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Angiogenesis Research in Mouse Mammary Cancer Based on Contrast-enhanced Ultrasonography
Conclusions CEUS could image the progression of vessel formation. Moreover, most importantly, CEUS is able to identify angiogenesis before the change of tumor color Doppler, and presents different enhanced patterns at different tumor growth times, which corresponded to tumor histologic features. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Gender Diversity in Academic Radiology Departments
This article reviews the literature on gender diversity in radiology and in academic radiology leadership and discusses lessons learned from non–health-care industry and from academic radiology departments that have been successful in developing and supporting female employees. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Accuracy of Opposed-phase Magnetic Resonance Imaging for the Evaluation of Treated and Untreated Spinal Metastases
Conclusions Opposed-phase imaging is less accurate for treated spinal metastases, in particular after radiation. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Effect of Implementing Community of Practice Modified Thyroid Imaging Reporting and Data System on Reporting Adherence and Number of Thyroid Biopsies
Conclusions Introduction of a multidisciplinary-approved standardized reporting system with evidence-based management recommendations led to no statistically significant change in the number of diagnostic ultrasounds but a statistically significant reduction in the number of monthly thyroid biopsies and associated reduction in wait times. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

Combining Washout and Noncontrast Data From Adrenal Protocol CT
Conclusion Sequential application of noncontrast and washout criteria from delayed contrast-enhanced adrenal CT can improve diagnostic performance beyond that of commonly applied single-parameter criteria. Validation of the sequential ordering and refinement of the specific threshold values warrant further study. (Source: Academic Radiology)
Source: Academic Radiology - February 3, 2018 Category: Radiology Source Type: research

A Review of Resources and Methodologies Available for Teaching and Assessing Patient-Related Communication Skills in Radiology
We describe numerous web-based resources and published models that have incorporated innovative, contemporary pedagogical techniques. In undertaking this compilation, our hope is to kindle discussion about the development of formalized or standardized communication curricula or guides for radiology residencies. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Evaluation of the Effect of Operator Experience on Outcome of Hepatic Artery Embolization of Hepatocellular Carcinoma in a Tertiary Cancer Center
Conclusion Among interventional radiology fellowship-trained operators in a tertiary cancer center, OS, TLP, and post-procedure complications of TAE were not affected by the years of post-fellowship experience. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Adaptive Iterative Dose Reduction 3D Integrated with Automatic Tube Current Modulation for CT Coronary Artery Calcium Quantification
Conclusion The absolute Agatston score differed between FBP and AIDR 3D reconstructions. However, the cardiac risk categorizations of the two methods were comparable. An integrated AIDR 3D algorithm with automatic tube current modulation enables radiation dose savings at a consistent noise level without sacrificing CACS. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Has the Objective Quality of Evidence in Imaging Papers Changed Over the Last 20 Years?
Conclusion Over the last 20 years, imaging journal articles have improved modestly in quality of evidence, as measured by EL and CE. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Assessing Resident Performance in Screening Mammography
Conclusions This method provides residents with easily accessible case-by-case individualized screening outcome data over the longitudinal period of their residency, and provides an objective method of assessing resident screening mammography performance. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Using Convolutional Neural Networks for Enhanced Capture of Breast Parenchymal Complexity Patterns Associated with Breast Cancer Risk
Conclusions Our results suggest that informative interactions between patterns exist in texture feature maps derived from mammographic images, which can be extracted and summarized via a multichannel CNN architecture toward leveraging the associations of textural measurements to breast cancer risk. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Synthesized Mammography
Conclusions When DBT is performed for screening, the use of SM rather than acquiring an additional FFDM has no significant effect on biopsy rate, PPV1, PPV3, or CDR. We found a decrease in recall rate in the SM + DBT group, which may be related to the learning curve of interpreting DBT. These findings support the use of SM for patients undergoing screening with DBT. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Low-dose Lung Cancer Screening at an Academic Medical Center
Conclusion Initial LDCT lung cancer screening at our institution yielded results similar to those of the National Lung Screening Trial. Thorough prescreening evaluation, joint decision-making, centralized coordination of screening-related care, and patient size conscious scanning protocols are critical elements of a safe and successful lung cancer screening program. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Comparison of Interobserver Agreement and Diagnostic Accuracy for IASLC/ITMIG Thymic Epithelial Tumor Staging Among Co-registered FDG-PET/MRI, Whole-body MRI, Integrated FDG-PET/CT, and Conventional Imaging Examination with and without Contrast Media Administrations
Conclusions Whole-body PET/MRI, MRI, and PET/CT have better interobserver agreements and accuracies than conventional imaging examination for the new IASLC/ITMIG thymic epithelial tumor staging. (Source: Academic Radiology)
Source: Academic Radiology - February 2, 2018 Category: Radiology Source Type: research

Coregistration of Preoperative MRI with Ex Vivo Mesorectal Pathology Specimens to Spatially Map Post-treatment Changes in Rectal Cancer Onto In Vivo Imaging
Conclusions Our fusion methodology enabled successful and accurate localization of post-treatment effects on in vivo MRI. (Source: Academic Radiology)
Source: Academic Radiology - January 21, 2018 Category: Radiology Source Type: research

Virtual Computed Tomography Colonography
Conclusions Third-generation dual source CT featuring a tin filter enables consistent sub-mSv colonography without substantially impairing image quality. (Source: Academic Radiology)
Source: Academic Radiology - January 21, 2018 Category: Radiology Source Type: research

Best Practices From the APDR
Publication date: Available online 19 January 2018 Source:Academic Radiology Author(s): Daryl T. Goldman, Gail L. Peters, Aaron M. Fischman, George G. Vatakencherry, Peter R. Bream, Jonathan G. Martin, Janice M. Newsome, Zachary L. Bercu, Michael A. Schacht, Karen S. Johnson, James M. Milburn, Seng Ong, Vivek Kalia, Eric England, Darel E. Heitkamp (Source: Academic Radiology)
Source: Academic Radiology - January 21, 2018 Category: Radiology Source Type: research

How to Perform a Systematic Review and Meta-analysis of Diagnostic Imaging Studies
Publication date: Available online 19 January 2018 Source:Academic Radiology Author(s): Paul Cronin, Aine Marie Kelly, Duaa Altaee, Bradley Foerster, Myria Petrou, Ben A. Dwamena A systematic review is a comprehensive search, critical evaluation, and synthesis of all the relevant studies on a specific (clinical) topic that can be applied to the evaluation of diagnostic and screening imaging studies. It can be a qualitative or a quantitative (meta-analysis) review of available literature. A meta-analysis uses statistical methods to combine and summarize the results of several studies. In this review, a 12-step approach to ...
Source: Academic Radiology - January 21, 2018 Category: Radiology Source Type: research

Diagnostic Value of Dual-input Computed Tomography Perfusion on Detecting Bronchial-Pulmonary Artery Fistula in Tuberculosis Patients with Massive Hemoptysis
Conclusions DI-CTP scan possesses the diagnostic value for detecting bronchial-pulmonary artery fistula in patients with tuberculosis with massive hemoptysis, providing an alternative diagnostic method. (Source: Academic Radiology)
Source: Academic Radiology - January 19, 2018 Category: Radiology Source Type: research

Automated Radiology-Pathology Module Correlation Using a Novel Report Matching Algorithm by Organ System
Conclusion There is excellent correlation of radiology imaging reports and appropriate pathology reports when matched by organ system. Rapid, appropriate radiology-pathology report pairings provide an excellent opportunity to close feedback loop to the interpreting radiologist. (Source: Academic Radiology)
Source: Academic Radiology - January 18, 2018 Category: Radiology Source Type: research

Does Second Reader Opinion Affect Patient Management in Pancreatic Ductal Adenocarcinoma?
Conclusion Second-opinion review by subspecialized oncologic radiologists can impact patient care, specifically in terms of management decision. (Source: Academic Radiology)
Source: Academic Radiology - January 18, 2018 Category: Radiology Source Type: research

Associations of County-level Radiologist and Mammography Facility Supply with Screening Mammography Rates in the United States
Conclusion Mammography facility and radiologist supply-side factors are only weakly associated with county-level Medicare beneficiary screening mammography rates, and as such, screening mammography may differ from many other health-care services. Although efforts to enhance facility and radiologist supply may be helpful, initiatives to improve screening mammography rates should focus more on demand-side factors, such as patient education and primary care physician education and access. (Source: Academic Radiology)
Source: Academic Radiology - January 18, 2018 Category: Radiology Source Type: research

Discriminating Depth of Response to Therapy in Multiple Myeloma Using Whole-body Diffusion-weighted MRI with Apparent Diffusion Coefficient
Conclusions ADC from WB-DWI MRI increased remarkably in patients who achieved deep response at the end of induction chemotherapy, which represented a confirmatory diagnostic tool to discriminate deep response to induction therapy for patients with multiple myeloma. ADC may have a potential to predict deep response to consolidation therapy. (Source: Academic Radiology)
Source: Academic Radiology - January 18, 2018 Category: Radiology Source Type: research

Can You Do Health Disparities Research with Publicly Available Datasets?
Conclusions This paper provides an overview of publicly available data sources that radiologists can use for imaging disparities research. Appropriate use of these data sources will require researchers to carefully consider the overall research question and level of analysis. (Source: Academic Radiology)
Source: Academic Radiology - January 17, 2018 Category: Radiology Source Type: research

Predictors of Shunt Dysfunction and Overall Survival in Patients with Variceal Bleeding Treated with Transjugular Portosystemic Shunt Creation Using the Fluency Stent Graft
Conclusions The long-term safety, technical success, and patency of TIPS were good; baseline portal vein thrombosis, use of bare stents, and PPG were significantly associated with shunt dysfunction; shunt dysfunction has little impact on patients' long-term survival because of high secondary patency rates. (Source: Academic Radiology)
Source: Academic Radiology - January 17, 2018 Category: Radiology Source Type: research

Effect of Matrix Size on the Image Quality of Ultra-high-resolution CT of the Lung
Conclusion In U-HRCT scans, a large matrix size maintained the spatial resolution and improved the image quality and assessment of lung diseases, despite an increase in image noise, when compared to a 512 matrix size. (Source: Academic Radiology)
Source: Academic Radiology - January 17, 2018 Category: Radiology Source Type: research

Diagnostic Usefulness of Combination of Diffusion-weighted Imaging and T2WI, Including Apparent Diffusion Coefficient in Breast Lesions
Conclusion Combining DWI, T2WI, and ADC values provides increased accuracy for differentiation between benign and malignant lesions, compared with DCE-MRI. A lower ADC value was associated with a higher histologic grade cancer. (Source: Academic Radiology)
Source: Academic Radiology - January 13, 2018 Category: Radiology Source Type: research

Thermal Field Distributions of Ablative Experiments Using Cyst-mimicking Phantoms
Conclusions Our data indicate that MWA is a more effective technique for focal cystic lesions than RFA and has higher overall energy utilization. MWA was also less affected by the ionic concentration of the cystic fluid. (Source: Academic Radiology)
Source: Academic Radiology - January 12, 2018 Category: Radiology Source Type: research

The Clinical Impact of Resident-attending Discrepancies in On-call Radiology Reporting
Conclusions Resident-attending discrepancies do cause management changes in 44.6% of discrepancies (0.62% overall); the most frequent change is follow-up imaging. The discrepancy categorization assigned by the attending correlated with the severity of management change. (Source: Academic Radiology)
Source: Academic Radiology - January 12, 2018 Category: Radiology Source Type: research

Fully Automated Segmentation of Polycystic Kidneys From Noncontrast Computed Tomography
Conclusions This preliminary study showed the proposed fully automated method for renal volume assessment is feasible, exhibiting how a correct use of biomedical image processing may allow polycystic kidney segmentation also in non–contrast-enhanced CT. Further investigation on a larger dataset is needed to confirm the robustness of the presented approach. (Source: Academic Radiology)
Source: Academic Radiology - January 11, 2018 Category: Radiology Source Type: research

Quantitative CT Evaluation of Small Pulmonary Vessels in Patients with Acute Pulmonary Embolism
Conclusions Although the absolute %CSA < 5 and CT obstruction index were not significantly correlated, the changes in the values of the two parameters had a significant correlation. Changes in %CSA < 5, which can be obtained easily, can be used as biomarker of therapeutic response in patients with acute PE. (Source: Academic Radiology)
Source: Academic Radiology - January 11, 2018 Category: Radiology Source Type: research